{"id":59727,"date":"2026-01-14T11:33:40","date_gmt":"2026-01-14T03:33:40","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/59727.html"},"modified":"2026-01-14T11:33:40","modified_gmt":"2026-01-14T03:33:40","slug":"%e5%ae%88%e6%8a%a4%e4%bd%a0%e7%9a%84%e6%9c%8d%e5%8a%a1%e5%99%a8%ef%bc%9alinux%e7%bd%91%e7%bb%9c%e5%ae%89%e5%85%a8%e5%ae%9e%e6%88%98%e6%8a%80%e5%b7%a7%e4%b8%8e%e5%bf%85%e7%9f%a5%e5%91%bd%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/59727.html","title":{"rendered":"\u5b88\u62a4\u4f60\u7684\u670d\u52a1\u5668\uff1aLinux\u7f51\u7edc\u5b89\u5168\u5b9e\u6218\u6280\u5de7\u4e0e\u5fc5\u77e5\u547d\u4ee4\u8be6\u89e3"},"content":{"rendered":"<h5>\u6587\u7ae0\u76ee\u5f55<\/h5>\n<ul>\n<li>\u4e00\u3001\u7f51\u7edc\u5b89\u5168\u6982\u8ff0<\/li>\n<li>\u4e8c\u3001\u5e38\u7528\u670d\u52a1\u7aef\u53e3<\/li>\n<li>\u4e09\u3001 ping\u547d\u4ee4\u7684\u4f7f\u7528<\/li>\n<li>\n<ul>\n<li>3.1\u3001ping\u547d\u4ee4\u7684\u7b80\u5355\u6982\u8ff0<\/li>\n<li>3.2\u3001ping\u547d\u4ee4\u7684\u4f7f\u7528<\/li>\n<\/ul>\n<\/li>\n<li>\u56db\u3001\u8d44\u6e90\u9650\u5236<\/li>\n<li>\n<ul>\n<li>4.1\u3001\u67e5\u770b\u7cfb\u7edf\u8d44\u6e90\u9650\u5236<\/li>\n<li>4.2\u3001\u4e34\u65f6\u4fee\u6539\u8d44\u6e90\u9650\u5236<\/li>\n<li>4.3\u3001\u6c38\u4e45\u4fee\u6539\u8d44\u6e90\u9650\u5236<\/li>\n<\/ul>\n<\/li>\n<li>\u4e94\u3001\u7f51\u7edc\u5b89\u5168\u670d\u52a1\u5de5\u5177\u4ecb\u7ecd<\/li>\n<li>\n<ul>\n<li>5.1\u3001ClamAV<\/li>\n<li>5.2\u3001Nmap<\/li>\n<li>5.3\u3001Wireshark<\/li>\n<li>5.4\u3001Netcat<\/li>\n<li>5.5\u3001Snort<\/li>\n<li>5.6\u3001Lynis<\/li>\n<li>5.7\u3001Tcpdump<\/li>\n<li>5.8\u3001Fail2Ban<\/li>\n<li>5.9\u3001Nessus<\/li>\n<li>5.10\u3001Host-based Intrusion Detection System (HIDS)<\/li>\n<\/ul>\n<\/li>\n<li>\u516d\u3001Xinetd<\/li>\n<li>\n<ul>\n<li>6.1\u3001only_from\u547d\u4ee4<\/li>\n<li>6.2\u3001auth_required \u547d\u4ee4<\/li>\n<li>6.3\u3001services \u547d\u4ee4<\/li>\n<li>6.4\u3001socket_type \u547d\u4ee4<\/li>\n<li>6.5\u3001protocol \u547d\u4ee4<\/li>\n<li>6.6\u3001wait\u547d\u4ee4<\/li>\n<li>6.7\u3001user\u547d\u4ee4<\/li>\n<li>6.8\u3001disable\u547d\u4ee4<\/li>\n<li>6.9\u3001log_type\u547d\u4ee4<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h3>\u4e00\u3001\u7f51\u7edc\u5b89\u5168\u6982\u8ff0<\/h3>\n<p>\u7531\u4e8eLinux\u7cfb\u7edf\u7684\u5b89\u5168\u7a33\u5b9a&#xff0c;\u6240\u4ee5\u7ecf\u5e38\u88ab\u7528\u4f5c\u7f51\u7edc\u5e94\u7528\u670d\u52a1\u5668\u3002\u4f46\u7531\u4e8e\u7a0b\u5e8f\u4ee3\u7801\u7f3a\u9677\u7684\u96be\u4ee5\u907f\u514d&#xff0c;\u8fd9\u4e9b\u5b89\u88c5\u5728Linux\u7cfb\u7edf\u4e0a\u7684\u7f51\u7edc\u7a0b\u5e8f\u5f80\u5f80\u4f1a\u5b58\u5728\u7740\u5404\u79cd\u6f0f\u6d1e&#xff0c;\u800c\u5165\u4fb5\u8005\u5219\u662f\u5229\u7528\u8fd9\u4e9b\u6f0f\u6d1e\u8fdb\u884c\u7f51\u7edc\u653b\u51fb&#xff0c;\u8fdb\u5165\u7cfb\u7edf\u7a83\u53d6\u6570\u636e\u3001\u7834\u574f\u7cfb\u7edf\u6216\u4f7f\u7cfb\u7edf\u65e0\u6cd5\u63d0\u4f9b\u6b63\u5e38\u670d\u52a1\u7b49\u3002<\/p>\n<h3>\u4e8c\u3001\u5e38\u7528\u670d\u52a1\u7aef\u53e3<\/h3>\n<table>\n<tr>\u5e8f\u53f7\u7aef\u53e3\u670d\u52a1<\/tr>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>7<\/td>\n<td>Echo<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>13<\/td>\n<td>Daytime<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>17<\/td>\n<td>Qotd&#xff08;\u6bcf\u65e5\u6458\u8981&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>20<\/td>\n<td>FTP\u6570\u636e\u4f20\u8f93<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>21<\/td>\n<td>FTP\u63a7\u5236<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>22<\/td>\n<td>SSH&#xff08;\u5b89\u5168\u5916\u58f3\u534f\u8bae&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>23<\/td>\n<td>Telnet&#xff08;\u8fdc\u7a0b\u767b\u5f55\u534f\u8bae&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>25<\/td>\n<td>SMTP&#xff08;\u7b80\u5355\u90a3\u90ae\u4ef6\u4f20\u9001\u534f\u8bae&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>9<\/td>\n<td>37<\/td>\n<td>\u65f6\u95f4\u670d\u52a1\u5668<\/td>\n<\/tr>\n<tr>\n<td>10<\/td>\n<td>43<\/td>\n<td>Whois<\/td>\n<\/tr>\n<tr>\n<td>11<\/td>\n<td>53<\/td>\n<td>DNS&#xff08;\u57df\u540d\u7cfb\u7edf&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>12<\/td>\n<td>67<\/td>\n<td>Bootp<\/td>\n<\/tr>\n<tr>\n<td>13<\/td>\n<td>69<\/td>\n<td>TFTP&#xff08;\u666e\u901a\u6587\u4ef6\u4f20\u8f93\u534f\u8bae&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>14<\/td>\n<td>79<\/td>\n<td>Finger<\/td>\n<\/tr>\n<tr>\n<td>15<\/td>\n<td>80<\/td>\n<td>HTTP&#xff08;\u8d85\u6587\u672c\u4f20\u8f93\u534f\u8bae&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>16<\/td>\n<td>109<\/td>\n<td>POP2&#xff08;\u90ae\u4ef6\u534f\u8bae2&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>17<\/td>\n<td>110<\/td>\n<td>POP3&#xff08;\u90ae\u4ef6\u534f\u8bae3&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>18<\/td>\n<td>111<\/td>\n<td>Portmapper<\/td>\n<\/tr>\n<tr>\n<td>19<\/td>\n<td>113<\/td>\n<td>Ident<\/td>\n<\/tr>\n<tr>\n<td>20<\/td>\n<td>119<\/td>\n<td>NNTP&#xff08;\u7f51\u7edc\u65b0\u95fb\u4f20\u8f93\u534f\u8bae&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>21<\/td>\n<td>123<\/td>\n<td>NTP&#xff08;\u7f51\u7edc\u65f6\u95f4\u534f\u8bae&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>22<\/td>\n<td>137 &#8211; 139<\/td>\n<td>Samba<\/td>\n<\/tr>\n<tr>\n<td>23<\/td>\n<td>143<\/td>\n<td>IMAP2&#xff08;Internet\u6d88\u606f\u8bbf\u95ee\u534f\u8bae&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>24<\/td>\n<td>161<\/td>\n<td>SNMP&#xff08;\u7b80\u5355\u7f51\u7edc\u7ba1\u7406\u534f\u8bae&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>25<\/td>\n<td>179<\/td>\n<td>BGP&#xff08;\u8fb9\u754c\u7f51\u5173\u534f\u8bae&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>26<\/td>\n<td>220<\/td>\n<td>IMAP3&#xff08;Internet\u6d88\u606f\u8bbf\u95ee\u534f\u8bae&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>27<\/td>\n<td>389<\/td>\n<td>LDAP&#xff08;\u8f7b\u578b\u76ee\u5f55\u8bbf\u95ee\u534f\u8bae&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>28<\/td>\n<td>443<\/td>\n<td>HTTPS&#xff08;\u5b89\u5168\u8d85\u6587\u672c\u4f20\u8f93\u534f\u8bae&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>29<\/td>\n<td>513<\/td>\n<td>rlogin<\/td>\n<\/tr>\n<tr>\n<td>30<\/td>\n<td>514<\/td>\n<td>Rsh<\/td>\n<\/tr>\n<tr>\n<td>31<\/td>\n<td>515<\/td>\n<td>Lpr&#xff08;\u884c\u5f0f\u6253\u5370\u673a\u5047\u8131\u673a\u7a0b\u5e8f&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>32<\/td>\n<td>517<\/td>\n<td>Talk<\/td>\n<\/tr>\n<tr>\n<td>33<\/td>\n<td>520<\/td>\n<td>Route<\/td>\n<\/tr>\n<tr>\n<td>34<\/td>\n<td>525<\/td>\n<td>\u65f6\u95f4\u670d\u52a1\u5668<\/td>\n<\/tr>\n<tr>\n<td>35<\/td>\n<td>563<\/td>\n<td>NNTPS&#xff08;\u5b89\u5168\u7f51\u7edc\u65b0\u95fb\u4f20\u8f93\u534f\u8bae&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>36<\/td>\n<td>631<\/td>\n<td>IPP&#xff08;Internet\u6253\u5370\u534f\u8bae&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>37<\/td>\n<td>636<\/td>\n<td>LDAPS&#xff08;\u5b89\u5168\u8f7b\u578b\u76ee\u5f55\u8bbf\u95ee\u534f\u8bae&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>38<\/td>\n<td>993<\/td>\n<td>IMAPS&#xff08;\u5b89\u5168Internet\u6d88\u606f\u8bbf\u95ee\u534f\u8bae&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>39<\/td>\n<td>POP3S&#xff08;\u5b89\u5168\u90ae\u5c40\u534f\u8bae&#xff09;<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>40<\/td>\n<td>1080<\/td>\n<td>Socks<\/td>\n<\/tr>\n<tr>\n<td>41<\/td>\n<td>1521<\/td>\n<td>Oracle<\/td>\n<\/tr>\n<tr>\n<td>42<\/td>\n<td>2049<\/td>\n<td>NFS&#xff08;\u7f51\u7edc\u6587\u4ef6\u7cfb\u7edf&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>43<\/td>\n<td>3306<\/td>\n<td>Mysql&#xff08;mysql\u6570\u636e\u5e93&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>44<\/td>\n<td>5800&#043;5900<\/td>\n<td>VNC&#xff08;\u865a\u62df\u7f51\u7edc\u8ba1\u7b97&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>45<\/td>\n<td>600 &#8211; 6063<\/td>\n<td>X11<\/td>\n<\/tr>\n<tr>\n<td>46<\/td>\n<td>7100<\/td>\n<td>XFS&#xff08;X\u5b57\u4f53\u670d\u52a1\u5668&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u4e09\u3001 ping\u547d\u4ee4\u7684\u4f7f\u7528<\/h3>\n<p>ping\u547d\u4ee4\u662f\u4e00\u4e2a\u5f3a\u5927\u800c\u7075\u6d3b\u7684\u7f51\u7edc\u5de5\u5177&#xff0c;\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u5feb\u901f\u8bca\u65ad\u7f51\u7edc\u95ee\u9898&#xff0c;\u8fd8\u53ef\u4ee5\u901a\u8fc7\u4e0d\u540c\u7684\u53c2\u6570\u7ec4\u5408\u8fdb\u884c\u8be6\u7ec6\u7684\u7f51\u7edc\u6d4b\u8bd5\u548c\u5206\u6790\u3002<\/p>\n<h4>3.1\u3001ping\u547d\u4ee4\u7684\u7b80\u5355\u6982\u8ff0<\/h4>\n<p>\u5b9a\u4e49\u4e0e\u76ee\u7684&#xff1a;<\/p>\n<ul>\n<li>Ping\u662f\u57fa\u4e8eICMP\u534f\u8bae\u7684\u4e00\u4e2a\u5b9e\u7528\u7a0b\u5e8f&#xff0c;\u7528\u4e8e\u9a8c\u8bc1\u4e24\u53f0\u8ba1\u7b97\u673a\u4e4b\u95f4\u7f51\u7edc\u8fde\u63a5\u7684\u53ef\u8fbe\u6027\u548c\u8d28\u91cf\u3002<\/li>\n<li>\u5b83\u901a\u8fc7\u53d1\u9001ICMP\u56de\u58f0\u8bf7\u6c42\u6d88\u606f\u5230\u76ee\u6807\u4e3b\u673a&#xff0c;\u5e76\u7b49\u5f85\u56de\u58f0\u5e94\u7b54\u6d88\u606f\u6765\u5224\u65ad\u7f51\u7edc\u72b6\u6001\u3002<\/li>\n<\/ul>\n<p>\u5de5\u4f5c\u539f\u7406&#xff1a;<\/p>\n<ul>\n<li>\u5f53\u6267\u884cping\u547d\u4ee4\u65f6&#xff0c;\u5b83\u4f1a\u751f\u6210\u4e00\u4e2aICMP\u56de\u58f0\u8bf7\u6c42\u6570\u636e\u5305\u5e76\u53d1\u9001\u5230\u6307\u5b9a\u7684\u76ee\u6807\u4e3b\u673a\u3002\u5982\u679c\u76ee\u6807\u4e3b\u673a\u53ef\u8fbe\u4e14\u7f51\u7edc\u6b63\u5e38&#xff0c;\u5b83\u5c06\u56de\u5e94\u4e00\u4e2aICMP\u56de\u58f0\u5e94\u7b54\u6570\u636e\u5305\u3002<\/li>\n<li>\u8fd9\u4e2a\u5f80\u8fd4\u8fc7\u7a0b\u5141\u8bb8\u7528\u6237\u6d4b\u91cf\u6570\u636e\u5305\u7684\u5f80\u8fd4\u65f6\u95f4&#xff08;RTT&#xff09;\u4ee5\u53ca\u7f51\u7edc\u7684\u7a33\u5b9a\u6027\u3002<\/li>\n<\/ul>\n<p>\u8f93\u51fa\u4fe1\u606f&#xff1a;<\/p>\n<ul>\n<li>Ping\u547d\u4ee4\u7684\u6807\u51c6\u8f93\u51fa\u5305\u62ec\u53d1\u9001\u7684\u6570\u636e\u5305\u6570\u91cf\u3001\u63a5\u6536\u7684\u6570\u636e\u5305\u6570\u91cf\u3001\u4e22\u5931\u7684\u6570\u636e\u5305\u6bd4\u4f8b\u4ee5\u53ca\u5f80\u8fd4\u65f6\u95f4\u7edf\u8ba1\u3002<\/li>\n<\/ul>\n<p>\u5b89\u5168\u6ce8\u610f\u4e8b\u9879&#xff1a;<\/p>\n<ul>\n<li>\u7531\u4e8e\u67d0\u4e9b\u53c2\u6570\u7ec4\u5408\u53ef\u80fd\u88ab\u7528\u4e8e\u7f51\u7edc\u653b\u51fb&#xff08;\u5982\u6b7b\u4ea1\u4e4bping&#xff09;&#xff0c;\u56e0\u6b64\u5728\u4f7f\u7528ping\u547d\u4ee4\u65f6\u5e94\u8c28\u614e\u9009\u62e9\u53c2\u6570&#xff0c;\u907f\u514d\u5bf9\u7f51\u7edc\u9020\u6210\u4e0d\u5fc5\u8981\u7684\u5f71\u54cd\u3002<\/li>\n<\/ul>\n<p>\u5e38\u89c1\u5e94\u7528&#xff1a;<\/p>\n<ul>\n<li>Ping\u547d\u4ee4\u5e38\u7528\u4e8e\u6545\u969c\u6392\u67e5\u3001\u7f51\u7edc\u6d4b\u8bd5\u548c\u6027\u80fd\u76d1\u63a7\u3002\u5b83\u662f\u4efb\u4f55\u7f51\u7edc\u7ba1\u7406\u5458\u548c\u666e\u901a\u7528\u6237\u68c0\u67e5\u7f51\u7edc\u8fde\u901a\u6027\u7684\u57fa\u672c\u5de5\u5177\u4e4b\u4e00\u3002<\/li>\n<\/ul>\n<h4>3.2\u3001ping\u547d\u4ee4\u7684\u4f7f\u7528<\/h4>\n<p>\u4e0d\u5e26\u53c2\u6570&#xff0c;ping\u547d\u4ee4\u5355\u72ec\u4f7f\u7528&#xff0c;\u53ea\u6d4b\u8bd5\u7f51\u7edc\u662f\u5426\u901a&#xff1a;<\/p>\n<p>[root&#064;root ~]# ping www.baidu.com<\/p>\n<p>-c \u53c2\u6570\u5141\u8bb8\u7528\u6237\u6307\u5b9a\u53d1\u9001\u7684\u8bf7\u6c42\u6b21\u6570&#xff1a;<\/p>\n<p>[root&#064;root ~]# ping -c 10 www.baidu.com<\/p>\n<p>-q \u53c2\u6570\u7b80\u5316\u8f93\u51fa&#xff0c;\u53ea\u663e\u793a\u6700\u7ec8\u7edf\u8ba1\u7ed3\u679c\u800c\u4e0d\u663e\u793a\u6bcf\u4e2a\u56de\u58f0\u8bf7\u6c42\u7684\u8be6\u7ec6\u4fe1\u606f&#xff1a;<\/p>\n<p>[root&#064;root ~]# ping -q www.baidu.com<\/p>\n<p>-v \u53c2\u6570\u63d0\u4f9b\u8be6\u7ec6\u8f93\u51fa&#xff0c;\u663e\u793a\u6bcf\u4e2a\u56de\u58f0\u8bf7\u6c42\u7684\u8be6\u7ec6\u4fe1\u606f&#xff1a;<\/p>\n<p>[root&#064;root ~]# ping -v www.baidu.com<\/p>\n<p>-R \u53c2\u6570\u8bb0\u5f55\u8def\u7531\u8fc7\u7a0b&#xff0c;\u53ef\u4ee5\u67e5\u770b\u6570\u636e\u5305\u4ece\u6e90\u5230\u76ee\u6807\u7684\u8def\u5f84&#xff1a;<\/p>\n<p>[root&#064;root ~]# ping -R www.baidu.com<\/p>\n<p>-l \u53c2\u6570\u524d\u7f6e\u8f7d\u5165\u7279\u5b9a\u5927\u5c0f\u7684\u6570\u636e\u5305&#xff0c;\u7528\u4e8e\u6a21\u62df\u4e0d\u540c\u7684\u7f51\u7edc\u8d1f\u8f7d\u60c5\u51b5&#xff1a;<\/p>\n<p>[root&#064;root ~]# ping -l 1000 www.baidu.com<\/p>\n<h3>\u56db\u3001\u8d44\u6e90\u9650\u5236<\/h3>\n<p>\u5728Linux\u7cfb\u7edf\u4e2d&#xff0c;ulimit\u547d\u4ee4\u7528\u4e8e\u67e5\u770b\u6216\u4fee\u6539\u5f53\u524d\u7cfb\u7edf\u8d44\u6e90\u9650\u5236&#xff0c;\u800c\/etc\/security\/limits.conf\u6587\u4ef6\u5219\u7528\u4e8e\u6c38\u4e45\u8bbe\u7f6e\u7cfb\u7edf\u8d44\u6e90\u9650\u5236\u3002<\/p>\n<h4>4.1\u3001\u67e5\u770b\u7cfb\u7edf\u8d44\u6e90\u9650\u5236<\/h4>\n<p>\u5728\u7ec8\u7aef\u8f93\u5165ulimit -a&#xff0c;\u53ef\u4ee5\u663e\u793a\u5f53\u524d\u7528\u6237\u5728\u7cfb\u7edf\u4e2d\u7684\u8d44\u6e90\u9650\u5236\u8bbe\u5b9a&#xff0c;\u5305\u62ec\u6700\u5927\u8fdb\u7a0b\u6570\u3001\u6700\u5927\u6587\u4ef6\u53e5\u67c4\u6570\u7b49\u3002<\/p>\n<p>[root&#064;root ~]# ulimit -a<br \/>\nreal-time non-blocking time  (microseconds, -R) unlimited<br \/>\ncore file size              (blocks, -c) 0<br \/>\ndata seg size               (kbytes, -d) unlimited<br \/>\nscheduling priority                 (-e) 0<br \/>\nfile size                   (blocks, -f) unlimited<br \/>\npending signals                     (-i) 6552<br \/>\nmax locked memory           (kbytes, -l) 8192<br \/>\nmax memory size             (kbytes, -m) unlimited<br \/>\nopen files                          (-n) 65535<br \/>\npipe size                (512 bytes, -p) 8<br \/>\nPOSIX message queues         (bytes, -q) 819200<br \/>\nreal-time priority                  (-r) 0<br \/>\nstack size                  (kbytes, -s) 8192<br \/>\ncpu time                   (seconds, -t) unlimited<br \/>\nmax user processes                  (-u) 6552<br \/>\nvirtual memory              (kbytes, -v) unlimited<br \/>\nfile locks                          (-x) unlimited<\/p>\n<p>\u8fd4\u56de\u7ed3\u679c\u89e3\u6790<\/p>\n<ul>\n<li>\u5b9e\u65f6\u975e\u963b\u585e\u65f6\u95f4&#xff1a;\u65e0\u9650\u5236<\/li>\n<li>\u6838\u5fc3\u6587\u4ef6\u5927\u5c0f&#xff1a;0 \u5757<\/li>\n<li>\u6570\u636e\u6bb5\u5927\u5c0f&#xff1a;\u65e0\u9650\u5236<\/li>\n<li>\u8c03\u5ea6\u4f18\u5148\u7ea7&#xff1a;0<\/li>\n<li>\u6587\u4ef6\u5927\u5c0f&#xff1a;\u65e0\u9650\u5236<\/li>\n<li>\u5f85\u5904\u7406\u4fe1\u53f7&#xff1a;6552<\/li>\n<li>\u6700\u5927\u9501\u5b9a\u5185\u5b58&#xff1a;8192 KB<\/li>\n<li>\u6700\u5927\u5185\u5b58\u5927\u5c0f&#xff1a;\u65e0\u9650\u5236<\/li>\n<li>\u6253\u5f00\u6587\u4ef6\u6570&#xff1a;65535<\/li>\n<li>\u7ba1\u9053\u5927\u5c0f&#xff1a;8 * 512 \u5b57\u8282<\/li>\n<li>POSIX \u6d88\u606f\u961f\u5217&#xff1a;819200 \u5b57\u8282<\/li>\n<li>\u5b9e\u65f6\u4f18\u5148\u7ea7&#xff1a;0<\/li>\n<li>\u6808\u5927\u5c0f&#xff1a;8192 KB<\/li>\n<li>CPU \u65f6\u95f4&#xff1a;\u65e0\u9650\u5236<\/li>\n<li>\u6700\u5927\u7528\u6237\u8fdb\u7a0b\u6570&#xff1a;6552<\/li>\n<li>\u865a\u62df\u5185\u5b58&#xff1a;\u65e0\u9650\u5236<\/li>\n<li>\u6587\u4ef6\u9501&#xff1a;\u65e0\u9650\u5236<\/li>\n<\/ul>\n<p>ulimit -u\u67e5\u770b\u7528\u6237\u53ef\u4ee5\u6253\u5f00\u7684\u6700\u5927\u7a0b\u5e8f\u6570\u76ee&#xff0c;\u6216ulimit -n\u67e5\u770b\u6700\u5927\u6587\u4ef6\u53e5\u67c4\u6570\u3002<\/p>\n<p>[root&#064;root ~]# ulimit -u<br \/>\n6552<br \/>\n[root&#064;root ~]# ulimit -n<br \/>\n65535<\/p>\n<h4>4.2\u3001\u4e34\u65f6\u4fee\u6539\u8d44\u6e90\u9650\u5236<\/h4>\n<p>\u4f7f\u7528ulimit -u &lt;\u6570\u5b57&gt;\u53ef\u8bbe\u5b9a\u7528\u6237\u53ef\u4ee5\u5f00\u542f\u7684\u6700\u5927\u8fdb\u7a0b\u6570\u3002<\/p>\n<p>[root&#064;root ~]# ulimit -u 6555<br \/>\n[root&#064;root ~]# ulimit -u<br \/>\n6555<\/p>\n<p>\u4f7f\u7528ulimit -n &lt;\u6570\u5b57&gt;\u53ef\u8bbe\u5b9a\u7528\u6237\u53ef\u540c\u65f6\u6253\u5f00\u7684\u6700\u5927\u6587\u4ef6\u6570\u3002<\/p>\n<p>[root&#064;root ~]# ulimit -n 65555<br \/>\n[root&#064;root ~]# ulimit -n<br \/>\n65555<\/p>\n<p>\u901a\u8fc7ulimit -m &lt;\u6570\u5b57&gt;\u6307\u5b9a\u7528\u6237\u53ef\u4f7f\u7528\u7684\u5185\u5b58\u4e0a\u9650&#xff0c;\u5355\u4f4d\u4e3aKB\u3002<\/p>\n<p>[root&#064;root ~]# ulimit -m 1048576<br \/>\n[root&#064;root ~]# ulimit -a<br \/>\nreal-time non-blocking time  (microseconds, -R) unlimited<br \/>\ncore file size              (blocks, -c) 0<br \/>\ndata seg size               (kbytes, -d) unlimited<br \/>\nscheduling priority                 (-e) 0<br \/>\nfile size                   (blocks, -f) unlimited<br \/>\npending signals                     (-i) 6552<br \/>\nmax locked memory           (kbytes, -l) 8192<br \/>\nmax memory size             (kbytes, -m) 1048576<br \/>\nopen files                          (-n) 65555<br \/>\npipe size                (512 bytes, -p) 8<br \/>\nPOSIX message queues         (bytes, -q) 819200<br \/>\nreal-time priority                  (-r) 0<br \/>\nstack size                  (kbytes, -s) 8192<br \/>\ncpu time                   (seconds, -t) unlimited<br \/>\nmax user processes                  (-u) 6555<br \/>\nvirtual memory              (kbytes, -v) unlimited<br \/>\nfile locks                          (-x) unlimited<\/p>\n<h4>4.3\u3001\u6c38\u4e45\u4fee\u6539\u8d44\u6e90\u9650\u5236<\/h4>\n<p>\u7f16\u8f91\u914d\u7f6e\u6587\u4ef6\/etc\/security\/limits.conf&#xff0c;\u8be5\u6587\u4ef6\u63a7\u5236\u7740\u901a\u8fc7PAM\u767b\u5f55\u7684\u7528\u6237\u7684\u8d44\u6e90\u9650\u5236&#xff0c;\u5728\u8fd9\u91cc\u8fdb\u884c\u7684\u6539\u52a8\u5c06\u5bf9\u6240\u6709\u4f7f\u7528\u8be5\u914d\u7f6e\u6587\u4ef6\u7684\u7528\u6237\u6c38\u4e45\u751f\u6548\u3002 \u6587\u4ef6\u4e2d\u7684\u914d\u7f6e\u9075\u5faadomain type item value\u7684\u683c\u5f0f\u3002\u4f8b\u5982&#xff0c;\u9650\u5b9a\u7528\u6237\u7684CPU\u65f6\u95f4\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0&lt;\u7528\u6237\u540d&gt; soft cpu &lt;\u65f6\u95f4&gt;\u5b9e\u73b0\u3002<\/p>\n<p>[root&#064;root ~]# cd \/etc\/security<br \/>\n[root&#064;root security]# ls<br \/>\naccess.conf  console.apps      console.perms    faillock.conf  limits.conf  namespace.conf  namespace.init  pam_env.conf    pwquality.conf    sepermit.conf<br \/>\nchroot.conf  console.handlers  console.perms.d  group.conf     limits.d     namespace.d     opasswd         pwhistory.conf  pwquality.conf.d  time.conf<br \/>\n[root&#064;root security]# cat limits.conf<br \/>\n# \/etc\/security\/limits.conf<br \/>\n#<br \/>\n#This file sets the resource limits for the users logged in via PAM.<br \/>\n#It does not affect resource limits of the system services.<br \/>\n#<br \/>\n#Also note that configuration files in \/etc\/security\/limits.d directory,<br \/>\n#which are read in alphabetical order, override the settings in this<br \/>\n#file in case the domain is the same or more specific.<br \/>\n#That means, for example, that setting a limit for wildcard domain here<br \/>\n#can be overridden with a wildcard setting in a config file in the<br \/>\n#subdirectory, but a user specific setting here can be overridden only<br \/>\n#with a user specific setting in the subdirectory.<br \/>\n#<br \/>\n#Each line describes a limit for a user in the form:<br \/>\n#<br \/>\n#&lt;domain&gt;        &lt;type&gt;  &lt;item&gt;  &lt;value&gt;<br \/>\n#<br \/>\n#Where:<br \/>\n#&lt;domain&gt; can be:<br \/>\n#        &#8211; a user name<br \/>\n#        &#8211; a group name, with &#064;group syntax<br \/>\n#        &#8211; the wildcard *, for default entry<br \/>\n#        &#8211; the wildcard %, can be also used with %group syntax,<br \/>\n#                 for maxlogin limit<br \/>\n#<br \/>\n#&lt;type&gt; can have the two values:<br \/>\n#        &#8211; &#034;soft&#034; for enforcing the soft limits<br \/>\n#        &#8211; &#034;hard&#034; for enforcing hard limits<br \/>\n#<br \/>\n#&lt;item&gt; can be one of the following:<br \/>\n#        &#8211; core &#8211; limits the core file size (KB)<br \/>\n#        &#8211; data &#8211; max data size (KB)<br \/>\n#        &#8211; fsize &#8211; maximum filesize (KB)<br \/>\n#        &#8211; memlock &#8211; max locked-in-memory address space (KB)<br \/>\n#        &#8211; nofile &#8211; max number of open file descriptors<br \/>\n#        &#8211; rss &#8211; max resident set size (KB)<br \/>\n#        &#8211; stack &#8211; max stack size (KB)<br \/>\n#        &#8211; cpu &#8211; max CPU time (MIN)<br \/>\n#        &#8211; nproc &#8211; max number of processes<br \/>\n#        &#8211; as &#8211; address space limit (KB)<br \/>\n#        &#8211; maxlogins &#8211; max number of logins for this user<br \/>\n#        &#8211; maxsyslogins &#8211; max number of logins on the system<br \/>\n#        &#8211; priority &#8211; the priority to run user process with<br \/>\n#        &#8211; locks &#8211; max number of file locks the user can hold<br \/>\n#        &#8211; sigpending &#8211; max number of pending signals<br \/>\n#        &#8211; msgqueue &#8211; max memory used by POSIX message queues (bytes)<br \/>\n#        &#8211; nice &#8211; max nice priority allowed to raise to values: [-20, 19]<br \/>\n#        &#8211; rtprio &#8211; max realtime priority<br \/>\n#<br \/>\n#&lt;domain&gt;      &lt;type&gt;  &lt;item&gt;         &lt;value&gt;<br \/>\n#<\/p>\n<p>#*               soft    core            0<br \/>\n#*               hard    rss             10000<br \/>\n#&#064;student        hard    nproc           20<br \/>\n#&#064;faculty        soft    nproc           20<br \/>\n#&#064;faculty        hard    nproc           50<br \/>\n#ftp             hard    nproc           0<br \/>\n#&#064;student        &#8211;       maxlogins       4<\/p>\n<p># End of file<br \/>\nroot soft nofile 65535<br \/>\nroot hard nofile 65535<br \/>\n* soft nofile 65535<br \/>\n* hard nofile 65535<\/p>\n<h3>\u4e94\u3001\u7f51\u7edc\u5b89\u5168\u670d\u52a1\u5de5\u5177\u4ecb\u7ecd<\/h3>\n<h4>5.1\u3001ClamAV<\/h4>\n<p>ClamAV\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u53cd\u75c5\u6bd2\u5f15\u64ce&#xff0c;\u53ef\u4ee5\u68c0\u6d4b\u548c\u6d88\u9664\u8ba1\u7b97\u673a\u75c5\u6bd2\u3001\u6076\u610f\u8f6f\u4ef6\u3001\u6728\u9a6c\u548c\u5176\u4ed6\u7c7b\u578b\u7684\u6076\u610f\u4ee3\u7801&#xff1b;\u5b83\u662f\u7531Tomasz Kojm\u4e8e2001\u5e74\u521b\u5efa\u7684&#xff0c;\u5e76\u4e8e2007\u5e74\u6210\u4e3a\u4e00\u4e2a\u72ec\u7acb\u7684\u5f00\u6e90\u9879\u76ee\u3002<\/p>\n<p>ClamAV\u7684\u4e3b\u8981\u7279\u70b9<\/p>\n<ul>\n<li>\u8de8\u5e73\u53f0\u652f\u6301&#xff1a;ClamAV\u53ef\u4ee5\u5728\u591a\u79cd\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c&#xff0c;\u5305\u62ecWindows\u3001Linux\u3001macOS\u7b49\u3002<\/li>\n<li>\u5f00\u6e90\u514d\u8d39&#xff1a;ClamAV\u662f\u5f00\u6e90\u7684&#xff0c;\u514d\u8d39\u63d0\u4f9b\u7ed9\u7528\u6237\u4f7f\u7528\u3002<\/li>\n<li>\u9ad8\u6548\u68c0\u6d4b&#xff1a;ClamAV\u4f7f\u7528 advance \u7684\u68c0\u6d4b\u7b97\u6cd5\u548c\u7b7e\u540d\u5e93&#xff0c;\u53ef\u4ee5\u5b9e\u65f6\u68c0\u6d4b\u548c\u6d88\u9664\u6076\u610f\u4ee3\u7801\u3002<\/li>\n<li>\u652f\u6301\u591a\u79cd\u6587\u4ef6\u683c\u5f0f&#xff1a;ClamAV\u53ef\u4ee5\u68c0\u6d4b\u591a\u79cd\u6587\u4ef6\u683c\u5f0f&#xff0c;\u5305\u62ec\u6587\u6863\u3001\u56fe\u7247\u3001\u97f3\u9891\u3001\u89c6\u9891\u7b49\u3002<\/li>\n<li>\u53ef\u6269\u5c55\u6027\u5f3a&#xff1a;ClamAV\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684API\u548c\u63d2\u4ef6\u63a5\u53e3&#xff0c;\u7528\u6237\u53ef\u4ee5\u6839\u636e\u9700\u8981\u5f00\u53d1\u81ea\u5df1\u7684\u63d2\u4ef6\u548c\u6269\u5c55\u529f\u80fd\u3002<\/li>\n<\/ul>\n<p>ClamAV\u7684\u5e94\u7528\u573a\u666f\u5305\u62ec<\/p>\n<ul>\n<li>\u53cd\u75c5\u6bd2\u8f6f\u4ef6&#xff1a;ClamAV\u53ef\u4ee5\u4f5c\u4e3a\u72ec\u7acb\u7684\u53cd\u75c5\u6bd2\u8f6f\u4ef6&#xff0c;\u4fdd\u62a4\u8ba1\u7b97\u673a\u514d\u53d7\u6076\u610f\u4ee3\u7801\u7684\u653b\u51fb\u3002<\/li>\n<li>\u90ae\u4ef6\u670d\u52a1\u5668&#xff1a;ClamAV\u53ef\u4ee5\u4e0e\u90ae\u4ef6\u670d\u52a1\u5668\u96c6\u6210&#xff0c;\u68c0\u6d4b\u548c\u6d88\u9664\u6076\u610f\u90ae\u4ef6\u3002<\/li>\n<li>\u7f51\u5173\u9632\u706b\u5899&#xff1a;ClamAV\u53ef\u4ee5\u4e0e\u7f51\u5173\u9632\u706b\u5899\u96c6\u6210&#xff0c;\u68c0\u6d4b\u548c\u6d88\u9664\u6076\u610f\u6d41\u91cf\u3002<\/li>\n<li>\u4e91\u5b89\u5168&#xff1a;ClamAV\u53ef\u4ee5\u4e0e\u4e91\u5b89\u5168\u5e73\u53f0\u96c6\u6210&#xff0c;\u63d0\u4f9b\u4e91\u7aef\u5b89\u5168\u4fdd\u62a4\u3002<\/li>\n<\/ul>\n<h4>5.2\u3001Nmap<\/h4>\n<p>Nmap&#xff08;Network Mapper&#xff09;\u662f\u4e00\u6b3e\u514d\u8d39\u7684\u5f00\u6e90\u7f51\u7edc\u63a2\u6d4b\u548c\u5b89\u5168\u5ba1\u6838\u5de5\u5177&#xff0c;\u7531Gordon Lyon\u4e8e1997\u5e74\u521b\u5efa&#xff1b;Nmap\u53ef\u4ee5\u5bf9\u76ee\u6807\u8ba1\u7b97\u673a\u6216\u7f51\u7edc\u8fdb\u884c\u626b\u63cf&#xff0c;\u6536\u96c6\u4fe1\u606f&#xff0c;\u68c0\u6d4b\u6f0f\u6d1e&#xff0c;\u8bc6\u522b\u4e3b\u673a\u3001\u670d\u52a1\u548c\u64cd\u4f5c\u7cfb\u7edf\u7b49\u3002<\/p>\n<p>Nmap\u7684\u4e3b\u8981\u529f\u80fd<\/p>\n<ul>\n<li>\u4e3b\u673a\u53d1\u73b0&#xff1a;Nmap\u53ef\u4ee5\u53d1\u73b0\u7f51\u7edc\u4e2d\u7684\u4e3b\u673a&#xff0c;\u5305\u62ec\u5728\u7ebf\u548c\u79bb\u7ebf\u4e3b\u673a\u3002<\/li>\n<li>\u7aef\u53e3\u626b\u63cf&#xff1a;Nmap\u53ef\u4ee5\u626b\u63cf\u76ee\u6807\u4e3b\u673a\u7684\u7aef\u53e3&#xff0c;\u786e\u5b9a\u54ea\u4e9b\u7aef\u53e3\u662f\u5f00\u653e\u7684&#xff0c;\u54ea\u4e9b\u7aef\u53e3\u662f\u5173\u95ed\u7684\u3002<\/li>\n<li>\u7248\u672c\u4fa6\u6d4b&#xff1a;Nmap\u53ef\u4ee5\u4fa6\u6d4b\u76ee\u6807\u4e3b\u673a\u4e0a\u7684\u670d\u52a1\u7248\u672c&#xff0c;\u4f8b\u5982Web\u670d\u52a1\u5668\u3001\u6570\u636e\u5e93\u670d\u52a1\u5668\u3001\u64cd\u4f5c\u7cfb\u7edf\u7b49\u3002<\/li>\n<li>\u64cd\u4f5c\u7cfb\u7edf\u4fa6\u6d4b&#xff1a;Nmap\u53ef\u4ee5\u4fa6\u6d4b\u76ee\u6807\u4e3b\u673a\u7684\u64cd\u4f5c\u7cfb\u7edf&#xff0c;\u5305\u62ecWindows\u3001Linux\u3001Unix\u7b49\u3002<\/li>\n<li>\u6f0f\u6d1e\u626b\u63cf&#xff1a;Nmap\u53ef\u4ee5\u626b\u63cf\u76ee\u6807\u4e3b\u673a\u7684\u6f0f\u6d1e&#xff0c;\u4f8b\u5982SQL\u6ce8\u5165\u3001\u8de8\u7ad9\u811a\u672c\u653b\u51fb\u7b49\u3002<\/li>\n<li>\u7f51\u7edc\u62d3\u6251\u56fe\u7ed8\u5236&#xff1a;Nmap\u53ef\u4ee5\u7ed8\u5236\u7f51\u7edc\u62d3\u6251\u56fe&#xff0c;\u663e\u793a\u7f51\u7edc\u4e2d\u7684\u4e3b\u673a\u3001\u8def\u7531\u5668\u3001\u4ea4\u6362\u673a\u7b49\u8bbe\u5907\u3002<\/li>\n<\/ul>\n<p>Nmap\u7684\u5e38\u89c1\u5e94\u7528\u573a\u666f<\/p>\n<ul>\n<li>\u7f51\u7edc\u8d44\u4ea7\u7ba1\u7406&#xff1a;Nmap\u53ef\u4ee5\u5e2e\u52a9\u7ba1\u7406\u5458\u4e86\u89e3\u7f51\u7edc\u4e2d\u7684\u4e3b\u673a\u3001\u670d\u52a1\u548c\u8bbe\u5907\u3002<\/li>\n<li>\u6f0f\u6d1e\u626b\u63cf&#xff1a;Nmap\u53ef\u4ee5\u5e2e\u52a9\u7ba1\u7406\u5458\u626b\u63cf\u7f51\u7edc\u4e2d\u7684\u6f0f\u6d1e&#xff0c;\u8fdb\u884c\u5b89\u5168\u5ba1\u6838\u548c\u4fee\u590d\u3002<\/li>\n<li>\u6e17\u900f\u6d4b\u8bd5&#xff1a;Nmap\u53ef\u4ee5\u5e2e\u52a9\u6e17\u900f\u6d4b\u8bd5\u4eba\u5458\u626b\u63cf\u76ee\u6807\u7f51\u7edc&#xff0c;\u68c0\u6d4b\u6f0f\u6d1e\u548c\u5f31\u70b9\u3002<\/li>\n<li>\u7f51\u7edc\u5b89\u5168\u76d1\u63a7&#xff1a;Nmap\u53ef\u4ee5\u5e2e\u52a9\u7ba1\u7406\u5458\u76d1\u63a7\u7f51\u7edc\u4e2d\u7684\u6d3b\u52a8&#xff0c;\u68c0\u6d4b\u548c\u9632\u6b62\u6076\u610f\u6d3b\u52a8\u3002<\/li>\n<\/ul>\n<p>Nmap\u7684\u4f18\u70b9<\/p>\n<ul>\n<li>\u514d\u8d39\u5f00\u6e90&#xff1a;Nmap\u662f\u514d\u8d39\u7684\u5f00\u6e90\u5de5\u5177&#xff0c;\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u4f7f\u7528\u548c\u4fee\u6539\u3002<\/li>\n<li>\u8de8\u5e73\u53f0\u652f\u6301&#xff1a;Nmap\u53ef\u4ee5\u5728\u591a\u79cd\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c&#xff0c;\u5305\u62ecWindows\u3001Linux\u3001Unix\u7b49\u3002<\/li>\n<li>\u529f\u80fd\u5f3a\u5927&#xff1a;Nmap\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u529f\u80fd&#xff0c;\u5305\u62ec\u4e3b\u673a\u53d1\u73b0\u3001\u7aef\u53e3\u626b\u63cf\u3001\u7248\u672c\u4fa6\u6d4b\u7b49\u3002<\/li>\n<li>\u53ef\u6269\u5c55\u6027\u5f3a&#xff1a;Nmap\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u63d2\u4ef6\u63a5\u53e3&#xff0c;\u7528\u6237\u53ef\u4ee5\u6839\u636e\u9700\u8981\u5f00\u53d1\u81ea\u5df1\u7684\u63d2\u4ef6\u548c\u6269\u5c55\u529f\u80fd\u3002<\/li>\n<\/ul>\n<h4>5.3\u3001Wireshark<\/h4>\n<p>Wireshark\u662f\u4e00\u6b3e\u514d\u8d39\u3001\u5f00\u6e90\u7684\u7f51\u7edc\u534f\u8bae\u5206\u6790\u8f6f\u4ef6&#xff0c;\u7531Gerald Combs\u4e8e1998\u5e74\u521b\u5efa&#xff1b;\u5b83\u53ef\u4ee5\u6355\u83b7\u548c\u663e\u793a\u7f51\u7edc\u4e2d\u7684\u6570\u636e\u5305&#xff0c;\u5e2e\u52a9\u7528\u6237\u4e86\u89e3\u7f51\u7edc\u901a\u4fe1\u7684\u7ec6\u8282&#xff0c;\u8bca\u65ad\u7f51\u7edc\u95ee\u9898&#xff0c;\u68c0\u6d4b\u6076\u610f\u6d3b\u52a8\u548c\u6f0f\u6d1e\u3002<\/p>\n<p>Wireshark\u7684\u4e3b\u8981\u529f\u80fd<\/p>\n<ul>\n<li>\u6570\u636e\u5305\u6355\u83b7&#xff1a;Wireshark\u53ef\u4ee5\u6355\u83b7\u7f51\u7edc\u4e2d\u7684\u6570\u636e\u5305&#xff0c;\u5305\u62ec\u4ee5\u592a\u7f51\u3001Wi-Fi\u3001Bluetooth\u7b49\u5404\u79cd\u7f51\u7edc\u7c7b\u578b\u3002<\/li>\n<li>\u534f\u8bae\u5206\u6790&#xff1a;Wireshark\u53ef\u4ee5\u5206\u6790\u6355\u83b7\u7684\u6570\u636e\u5305&#xff0c;\u663e\u793a\u534f\u8bae\u5c42\u6b21\u7ed3\u6784&#xff0c;\u5305\u62ec\u7269\u7406\u5c42\u3001\u94fe\u8def\u5c42\u3001\u7f51\u7edc\u5c42\u3001\u4f20\u8f93\u5c42\u3001\u4f1a\u8bdd\u5c42\u3001\u8868\u793a\u5c42\u548c\u5e94\u7528\u5c42\u3002<\/li>\n<li>\u6570\u636e\u5305\u89e3\u7801&#xff1a;Wireshark\u53ef\u4ee5\u89e3\u7801\u6355\u83b7\u7684\u6570\u636e\u5305&#xff0c;\u663e\u793a\u5176\u4e2d\u7684\u6570\u636e\u5185\u5bb9&#xff0c;\u5305\u62ec\u6587\u672c\u3001\u56fe\u50cf\u3001\u97f3\u9891\u3001\u89c6\u9891\u7b49\u3002<\/li>\n<li>\u8fc7\u6ee4\u548c\u641c\u7d22&#xff1a;Wireshark\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u8fc7\u6ee4\u548c\u641c\u7d22\u529f\u80fd&#xff0c;\u7528\u6237\u53ef\u4ee5\u6839\u636e\u9700\u8981\u5feb\u901f\u5b9a\u4f4d\u548c\u5206\u6790\u7279\u5b9a\u7684\u6570\u636e\u5305\u3002<\/li>\n<li>\u56fe\u5f62\u5316\u663e\u793a&#xff1a;Wireshark\u53ef\u4ee5\u5c06\u6355\u83b7\u7684\u6570\u636e\u5305\u4ee5\u56fe\u5f62\u5316\u7684\u65b9\u5f0f\u663e\u793a&#xff0c;\u5305\u62ec\u6d41\u56fe\u3001\u5bf9\u8bdd\u6846\u3001\u7edf\u8ba1\u56fe\u8868\u7b49\u3002<\/li>\n<\/ul>\n<p>Wireshark\u7684\u5e38\u89c1\u5e94\u7528\u573a\u666f<\/p>\n<ul>\n<li>\u7f51\u7edc\u6545\u969c\u8bca\u65ad&#xff1a;Wireshark\u53ef\u4ee5\u5e2e\u52a9\u7ba1\u7406\u5458\u8bca\u65ad\u7f51\u7edc\u6545\u969c&#xff0c;\u4f8b\u5982\u7f51\u7edc\u8fde\u63a5\u95ee\u9898\u3001\u6570\u636e\u4f20\u8f93\u95ee\u9898\u7b49\u3002<\/li>\n<li>\u7f51\u7edc\u5b89\u5168\u76d1\u63a7&#xff1a;Wireshark\u53ef\u4ee5\u5e2e\u52a9\u7ba1\u7406\u5458\u76d1\u63a7\u7f51\u7edc\u4e2d\u7684\u6d3b\u52a8&#xff0c;\u68c0\u6d4b\u548c\u9632\u6b62\u6076\u610f\u6d3b\u52a8\u548c\u6f0f\u6d1e\u3002<\/li>\n<li>\u7f51\u7edc\u6027\u80fd\u4f18\u5316&#xff1a;Wireshark\u53ef\u4ee5\u5e2e\u52a9\u7ba1\u7406\u5458\u4f18\u5316\u7f51\u7edc\u6027\u80fd&#xff0c;\u4f8b\u5982\u5206\u6790\u7f51\u7edc\u5ef6\u8fdf\u3001 packet loss\u7b49\u95ee\u9898\u3002<\/li>\n<li>\u534f\u8bae\u5f00\u53d1\u548c\u6d4b\u8bd5&#xff1a;Wireshark\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u5f00\u53d1\u548c\u6d4b\u8bd5\u7f51\u7edc\u534f\u8bae&#xff0c;\u4f8b\u5982\u6d4b\u8bd5\u65b0\u7684\u7f51\u7edc\u534f\u8bae\u6216\u4f18\u5316\u73b0\u6709\u7684\u534f\u8bae\u3002<\/li>\n<\/ul>\n<p>Wireshark\u7684\u4f18\u70b9<\/p>\n<ul>\n<li>\u514d\u8d39\u5f00\u6e90&#xff1a;Wireshark\u662f\u514d\u8d39\u7684\u5f00\u6e90\u8f6f\u4ef6&#xff0c;\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u4f7f\u7528\u548c\u4fee\u6539\u3002<\/li>\n<li>\u8de8\u5e73\u53f0\u652f\u6301&#xff1a;Wireshark\u53ef\u4ee5\u5728\u591a\u79cd\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c&#xff0c;\u5305\u62ecWindows\u3001Linux\u3001Unix\u7b49\u3002<\/li>\n<li>\u529f\u80fd\u5f3a\u5927&#xff1a;Wireshark\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u529f\u80fd&#xff0c;\u5305\u62ec\u6570\u636e\u5305\u6355\u83b7\u3001\u534f\u8bae\u5206\u6790\u3001\u6570\u636e\u5305\u89e3\u7801\u7b49\u3002<\/li>\n<li>\u53ef\u6269\u5c55\u6027\u5f3a&#xff1a;Wireshark\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u63d2\u4ef6\u63a5\u53e3&#xff0c;\u7528\u6237\u53ef\u4ee5\u6839\u636e\u9700\u8981\u5f00\u53d1\u81ea\u5df1\u7684\u63d2\u4ef6\u548c\u6269\u5c55\u529f\u80fd\u3002<\/li>\n<\/ul>\n<h4>5.4\u3001Netcat<\/h4>\n<p>Netcat\u662f\u4e00\u6b3e\u514d\u8d39\u3001\u5f00\u6e90\u7684\u7f51\u7edc\u5b9e\u7528\u5de5\u5177&#xff0c;\u7531Hobbit\u4e8e1996\u5e74\u521b\u5efa\u3002\u5b83\u662f\u4e00\u6b3e\u591a\u529f\u80fd\u7684\u7f51\u7edc\u5de5\u5177&#xff0c;\u53ef\u4ee5\u7528\u4e8e\u7f51\u7edc\u63a2\u6d4b\u3001\u7aef\u53e3\u626b\u63cf\u3001\u6587\u4ef6\u4f20\u8f93\u3001\u540e\u95e8\u653b\u51fb\u3001\u6f0f\u6d1e\u626b\u63cf\u7b49\u3002<\/p>\n<p>Netcat\u7684\u4e3b\u8981\u529f\u80fd<\/p>\n<ul>\n<li>\u7f51\u7edc\u8fde\u63a5&#xff1a;Netcat\u53ef\u4ee5\u4e0e\u8fdc\u7a0b\u4e3b\u673a\u5efa\u7acb\u8fde\u63a5&#xff0c;\u7528\u4e8e\u6587\u4ef6\u4f20\u8f93\u3001\u547d\u4ee4\u6267\u884c\u3001shell\u8bbf\u95ee\u7b49\u3002<\/li>\n<li>\u7aef\u53e3\u626b\u63cf&#xff1a;Netcat\u53ef\u4ee5\u626b\u63cf\u8fdc\u7a0b\u4e3b\u673a\u7684\u7aef\u53e3&#xff0c;\u786e\u5b9a\u54ea\u4e9b\u7aef\u53e3\u662f\u5f00\u653e\u7684&#xff0c;\u54ea\u4e9b\u7aef\u53e3\u662f\u5173\u95ed\u7684\u3002<\/li>\n<li>\u540e\u95e8\u653b\u51fb&#xff1a;Netcat\u53ef\u4ee5\u4f5c\u4e3a\u4e00\u4e2a\u540e\u95e8\u5de5\u5177&#xff0c;\u5141\u8bb8\u653b\u51fb\u8005\u8fdc\u7a0b\u8bbf\u95ee\u76ee\u6807\u4e3b\u673a\u3002<\/li>\n<li>\u6587\u4ef6\u4f20\u8f93&#xff1a;Netcat\u53ef\u4ee5\u7528\u4e8e\u6587\u4ef6\u4f20\u8f93&#xff0c;\u4f8b\u5982\u5c06\u6587\u4ef6\u4ece\u4e00\u53f0\u4e3b\u673a\u4f20\u8f93\u5230\u53e6\u4e00\u53f0\u4e3b\u673a\u3002<\/li>\n<li>\u6f0f\u6d1e\u626b\u63cf&#xff1a;Netcat\u53ef\u4ee5\u7528\u4e8e\u6f0f\u6d1e\u626b\u63cf&#xff0c;\u4f8b\u5982\u626b\u63cf\u8fdc\u7a0b\u4e3b\u673a\u7684\u6f0f\u6d1e\u548c\u5f31\u70b9\u3002<\/li>\n<\/ul>\n<p>Netcat\u7684\u5e38\u89c1\u5e94\u7528\u573a\u666f<\/p>\n<ul>\n<li>\u6e17\u900f\u6d4b\u8bd5&#xff1a;Netcat\u53ef\u4ee5\u7528\u4e8e\u6e17\u900f\u6d4b\u8bd5&#xff0c;\u4f8b\u5982\u626b\u63cf\u76ee\u6807\u4e3b\u673a\u7684\u6f0f\u6d1e\u548c\u5f31\u70b9\u3002<\/li>\n<li>\u7f51\u7edc\u7ba1\u7406&#xff1a;Netcat\u53ef\u4ee5\u7528\u4e8e\u7f51\u7edc\u7ba1\u7406&#xff0c;\u4f8b\u5982\u8fdc\u7a0b\u8bbf\u95ee\u548c\u7ba1\u7406\u7f51\u7edc\u8bbe\u5907\u3002<\/li>\n<li>\u6587\u4ef6\u4f20\u8f93&#xff1a;Netcat\u53ef\u4ee5\u7528\u4e8e\u6587\u4ef6\u4f20\u8f93&#xff0c;\u4f8b\u5982\u5c06\u6587\u4ef6\u4ece\u4e00\u53f0\u4e3b\u673a\u4f20\u8f93\u5230\u53e6\u4e00\u53f0\u4e3b\u673a\u3002<\/li>\n<li>\u540e\u95e8\u653b\u51fb&#xff1a;Netcat\u53ef\u4ee5\u7528\u4e8e\u540e\u95e8\u653b\u51fb&#xff0c;\u4f8b\u5982\u5141\u8bb8\u653b\u51fb\u8005\u8fdc\u7a0b\u8bbf\u95ee\u76ee\u6807\u4e3b\u673a\u3002<\/li>\n<\/ul>\n<p>Netcat\u7684\u4f18\u70b9<\/p>\n<ul>\n<li>\u514d\u8d39\u5f00\u6e90&#xff1a;Netcat\u662f\u514d\u8d39\u7684\u5f00\u6e90\u5de5\u5177&#xff0c;\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u4f7f\u7528\u548c\u4fee\u6539\u3002<\/li>\n<li>\u8de8\u5e73\u53f0\u652f\u6301&#xff1a;Netcat\u53ef\u4ee5\u5728\u591a\u79cd\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c&#xff0c;\u5305\u62ecWindows\u3001Linux\u3001Unix\u7b49\u3002<\/li>\n<li>\u529f\u80fd\u5f3a\u5927&#xff1a;Netcat\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u529f\u80fd&#xff0c;\u5305\u62ec\u7f51\u7edc\u8fde\u63a5\u3001\u7aef\u53e3\u626b\u63cf\u3001\u6587\u4ef6\u4f20\u8f93\u7b49\u3002<\/li>\n<li>\u8f7b\u4fbf\u7075\u6d3b&#xff1a;Netcat\u662f\u4e00\u4e2a\u8f7b\u4fbf\u7075\u6d3b\u7684\u5de5\u5177&#xff0c;\u6613\u4e8e\u4f7f\u7528\u548c\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<h4>5.5\u3001Snort<\/h4>\n<p>Snort\u662f\u4e00\u6b3e\u514d\u8d39\u3001\u5f00\u6e90\u7684\u5165\u4fb5\u68c0\u6d4b\u7cfb\u7edf&#xff08;IDS&#xff09;\u548c\u5165\u4fb5\u9632\u5fa1\u7cfb\u7edf&#xff08;IPS&#xff09;&#xff0c;\u7531Martin Roesch\u4e8e1998\u5e74\u521b\u5efa&#xff1b;Snort\u53ef\u4ee5\u68c0\u6d4b\u548c\u9632\u6b62\u7f51\u7edc\u4e2d\u7684\u6076\u610f\u6d3b\u52a8&#xff0c;\u4f8b\u5982\u9ed1\u5ba2\u653b\u51fb\u3001\u75c5\u6bd2\u3001\u6728\u9a6c\u3001\u6076\u610f\u8f6f\u4ef6\u7b49\u3002<\/p>\n<p>Snort\u7684\u4e3b\u8981\u529f\u80fd\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u7f51\u7edc\u6d41\u91cf\u76d1\u63a7&#xff1a;Snort\u53ef\u4ee5\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf&#xff0c;\u68c0\u6d4b\u6076\u610f\u6d3b\u52a8\u548c\u53ef\u7591\u6d41\u91cf\u3002<\/li>\n<li>\u89c4\u5219\u5339\u914d&#xff1a;Snort\u4f7f\u7528\u89c4\u5219\u5f15\u64ce\u6765\u5339\u914d\u7f51\u7edc\u6d41\u91cf&#xff0c;\u68c0\u6d4b\u6076\u610f\u6d3b\u52a8\u548c\u53ef\u7591\u6d41\u91cf\u3002<\/li>\n<li>\u8b66\u62a5\u751f\u6210&#xff1a;Snort\u53ef\u4ee5\u751f\u6210\u8b66\u62a5&#xff0c;\u63d0\u793a\u7ba1\u7406\u5458\u6076\u610f\u6d3b\u52a8\u548c\u53ef\u7591\u6d41\u91cf\u3002<\/li>\n<li>\u963b\u6b62\u6076\u610f\u6d41\u91cf&#xff1a;Snort\u53ef\u4ee5\u963b\u6b62\u6076\u610f\u6d41\u91cf&#xff0c;\u9632\u6b62\u653b\u51fb\u548c\u6076\u610f\u6d3b\u52a8\u3002<\/li>\n<\/ul>\n<p>Snort\u7684\u89c4\u5219\u5f15\u64ce\u53ef\u4ee5\u5339\u914d\u5404\u79cd\u7c7b\u578b\u7684\u6076\u610f\u6d3b\u52a8<\/p>\n<ul>\n<li>\u534f\u8bae\u8fdd\u89c4&#xff1a;Snort\u53ef\u4ee5\u68c0\u6d4b\u8fdd\u53cd\u534f\u8bae\u89c4\u8303\u7684\u6d41\u91cf&#xff0c;\u4f8b\u5982\u975e\u6cd5\u7684HTTP\u8bf7\u6c42\u3002<\/li>\n<li>\u6076\u610f\u8f6f\u4ef6&#xff1a;Snort\u53ef\u4ee5\u68c0\u6d4b\u6076\u610f\u8f6f\u4ef6&#xff0c;\u4f8b\u5982\u75c5\u6bd2\u3001\u6728\u9a6c\u3001Trojan\u7b49\u3002<\/li>\n<li>\u653b\u51fbpattern&#xff1a;Snort\u53ef\u4ee5\u68c0\u6d4b\u653b\u51fbpattern&#xff0c;\u4f8b\u5982SQL\u6ce8\u5165\u3001\u8de8\u7ad9\u811a\u672c\u653b\u51fb\u7b49\u3002<\/li>\n<\/ul>\n<p>Snort\u7684\u4f18\u70b9<\/p>\n<ul>\n<li>\u514d\u8d39\u5f00\u6e90&#xff1a;Snort\u662f\u514d\u8d39\u7684\u5f00\u6e90\u5de5\u5177&#xff0c;\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u4f7f\u7528\u548c\u4fee\u6539\u3002<\/li>\n<li>\u8de8\u5e73\u53f0\u652f\u6301&#xff1a;Snort\u53ef\u4ee5\u5728\u591a\u79cd\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c&#xff0c;\u5305\u62ecWindows\u3001Linux\u3001Unix\u7b49\u3002<\/li>\n<li>\u529f\u80fd\u5f3a\u5927&#xff1a;Snort\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u529f\u80fd&#xff0c;\u5305\u62ec\u7f51\u7edc\u6d41\u91cf\u76d1\u63a7\u3001\u89c4\u5219\u5339\u914d\u3001\u8b66\u62a5\u751f\u6210\u7b49\u3002<\/li>\n<li>\u53ef\u6269\u5c55\u6027\u5f3a&#xff1a;Snort\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u63d2\u4ef6\u63a5\u53e3&#xff0c;\u7528\u6237\u53ef\u4ee5\u6839\u636e\u9700\u8981\u5f00\u53d1\u81ea\u5df1\u7684\u63d2\u4ef6\u548c\u6269\u5c55\u529f\u80fd\u3002<\/li>\n<\/ul>\n<p>Snort\u7684\u5e94\u7528\u573a\u666f<\/p>\n<ul>\n<li>\u7f51\u7edc\u5b89\u5168\u76d1\u63a7&#xff1a;Snort\u53ef\u4ee5\u7528\u4e8e\u7f51\u7edc\u5b89\u5168\u76d1\u63a7&#xff0c;\u68c0\u6d4b\u548c\u9632\u6b62\u6076\u610f\u6d3b\u52a8\u3002<\/li>\n<li>\u5165\u4fb5\u68c0\u6d4b&#xff1a;Snort\u53ef\u4ee5\u7528\u4e8e\u5165\u4fb5\u68c0\u6d4b&#xff0c;\u68c0\u6d4b\u6076\u610f\u6d3b\u52a8\u548c\u53ef\u7591\u6d41\u91cf\u3002<\/li>\n<li>\u5165\u4fb5\u9632\u5fa1&#xff1a;Snort\u53ef\u4ee5\u7528\u4e8e\u5165\u4fb5\u9632\u5fa1&#xff0c;\u963b\u6b62\u6076\u610f\u6d41\u91cf\u548c\u653b\u51fb\u3002<\/li>\n<li>\u5408\u89c4\u6027\u68c0\u6d4b&#xff1a;Snort\u53ef\u4ee5\u7528\u4e8e\u5408\u89c4\u6027\u68c0\u6d4b&#xff0c;\u68c0\u6d4b\u8fdd\u53cd\u5b89\u5168\u653f\u7b56\u548c\u6cd5\u89c4\u7684\u6d41\u91cf\u3002<\/li>\n<\/ul>\n<h4>5.6\u3001Lynis<\/h4>\n<p>Lynis\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u5b89\u5168\u5ba1\u8ba1\u5de5\u5177&#xff0c;\u7531Michael Boelen\u4e8e2007\u5e74\u521b\u5efa\u3002\u5b83\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u3001\u8de8\u5e73\u53f0\u7684\u5de5\u5177&#xff0c;\u65e8\u5728\u5e2e\u52a9\u7ba1\u7406\u5458\u548c\u5b89\u5168\u4e13\u4e1a\u4eba\u5458\u8bc4\u4f30\u548c\u6539\u8fdbLinux\u548cUnix\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002<\/p>\n<p>Lynis\u7684\u4e3b\u8981\u529f\u80fd<\/p>\n<ul>\n<li>\u5b89\u5168\u5ba1\u8ba1&#xff1a;Lynis\u53ef\u4ee5\u5bf9Linux\u548cUnix\u7cfb\u7edf\u8fdb\u884c\u5b89\u5168\u5ba1\u8ba1&#xff0c;\u68c0\u6d4b\u6f5c\u5728\u7684\u5b89\u5168\u98ce\u9669\u548c\u6f0f\u6d1e\u3002<\/li>\n<li>\u914d\u7f6e\u68c0\u67e5&#xff1a;Lynis\u53ef\u4ee5\u68c0\u67e5\u7cfb\u7edf\u914d\u7f6e&#xff0c;\u5305\u62ec\u6587\u4ef6\u6743\u9650\u3001\u7528\u6237\u5e10\u6237\u3001\u7f51\u7edc\u8bbe\u7f6e\u7b49\u3002<\/li>\n<li>\u6f0f\u6d1e\u626b\u63cf&#xff1a;Lynis\u53ef\u4ee5\u626b\u63cf\u7cfb\u7edf\u4e2d\u7684\u6f0f\u6d1e&#xff0c;\u5305\u62ec\u64cd\u4f5c\u7cfb\u7edf\u3001\u5e94\u7528\u7a0b\u5e8f\u548c\u670d\u52a1\u4e2d\u7684\u6f0f\u6d1e\u3002<\/li>\n<li>\u5b89\u5168\u5efa\u8bae&#xff1a;Lynis\u53ef\u4ee5\u63d0\u4f9b\u5b89\u5168\u5efa\u8bae&#xff0c;\u5e2e\u52a9\u7ba1\u7406\u5458\u548c\u5b89\u5168\u4e13\u4e1a\u4eba\u5458\u6539\u8fdb\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<p>Lynis\u7684\u4f18\u70b9<\/p>\n<ul>\n<li>\u514d\u8d39\u5f00\u6e90&#xff1a;Lynis\u662f\u514d\u8d39\u7684\u5f00\u6e90\u5de5\u5177&#xff0c;\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u4f7f\u7528\u548c\u4fee\u6539\u3002<\/li>\n<li>\u8de8\u5e73\u53f0\u652f\u6301&#xff1a;Lynis\u53ef\u4ee5\u5728\u591a\u79cd\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c&#xff0c;\u5305\u62ecLinux\u3001Unix\u3001macOS\u7b49\u3002<\/li>\n<li>\u529f\u80fd\u5f3a\u5927&#xff1a;Lynis\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u529f\u80fd&#xff0c;\u5305\u62ec\u5b89\u5168\u5ba1\u8ba1\u3001\u914d\u7f6e\u68c0\u67e5\u3001\u6f0f\u6d1e\u626b\u63cf\u7b49\u3002<\/li>\n<li>\u6613\u4e8e\u4f7f\u7528&#xff1a;Lynis\u5177\u6709\u53cb\u597d\u7684\u7528\u6237\u754c\u9762&#xff0c;\u6613\u4e8e\u4f7f\u7528\u548c\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<p>Lynis\u7684\u5e94\u7528\u573a\u666f<\/p>\n<ul>\n<li>\u5b89\u5168\u5ba1\u8ba1&#xff1a;Lynis\u53ef\u4ee5\u7528\u4e8e\u5b89\u5168\u5ba1\u8ba1&#xff0c;\u8bc4\u4f30\u548c\u6539\u8fdb\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002<\/li>\n<li>\u5408\u89c4\u6027\u68c0\u6d4b&#xff1a;Lynis\u53ef\u4ee5\u7528\u4e8e\u5408\u89c4\u6027\u68c0\u6d4b&#xff0c;\u68c0\u6d4b\u8fdd\u53cd\u5b89\u5168\u653f\u7b56\u548c\u6cd5\u89c4\u7684\u914d\u7f6e\u548c\u884c\u4e3a\u3002<\/li>\n<li>\u6f0f\u6d1e\u7ba1\u7406&#xff1a;Lynis\u53ef\u4ee5\u7528\u4e8e\u6f0f\u6d1e\u7ba1\u7406&#xff0c;\u626b\u63cf\u548c\u4fee\u590d\u7cfb\u7edf\u4e2d\u7684\u6f0f\u6d1e\u3002<\/li>\n<li>\u5b89\u5168\u57f9\u8bad&#xff1a;Lynis\u53ef\u4ee5\u7528\u4e8e\u5b89\u5168\u57f9\u8bad&#xff0c;\u5e2e\u52a9\u7ba1\u7406\u5458\u548c\u5b89\u5168\u4e13\u4e1a\u4eba\u5458\u5b66\u4e60\u548c\u63d0\u9ad8\u5b89\u5168\u6280\u80fd\u3002<\/li>\n<\/ul>\n<h4>5.7\u3001Tcpdump<\/h4>\n<p>Tcpdump\u662f\u4e00\u6b3e\u514d\u8d39\u3001\u5f00\u6e90\u7684\u7f51\u7edc\u55c5\u63a2\u5de5\u5177&#xff0c;\u7531Van Jacobson\u4e8e1987\u5e74\u521b\u5efa\u3002\u5b83\u53ef\u4ee5\u6355\u83b7\u548c\u663e\u793a\u7f51\u7edc\u4e2d\u7684\u6570\u636e\u5305&#xff0c;\u5e2e\u52a9\u7ba1\u7406\u5458\u548c\u5f00\u53d1\u8005\u4e86\u89e3\u7f51\u7edc\u901a\u4fe1\u7684\u7ec6\u8282&#xff0c;\u8bca\u65ad\u7f51\u7edc\u95ee\u9898&#xff0c;\u68c0\u6d4b\u6076\u610f\u6d3b\u52a8\u548c\u6f0f\u6d1e\u3002<\/p>\n<p>Tcpdump\u7684\u4e3b\u8981\u529f\u80fd<\/p>\n<ul>\n<li>\u6570\u636e\u5305\u6355\u83b7&#xff1a;Tcpdump\u53ef\u4ee5\u6355\u83b7\u7f51\u7edc\u4e2d\u7684\u6570\u636e\u5305&#xff0c;\u5305\u62ec\u4ee5\u592a\u7f51\u3001Wi-Fi\u3001Bluetooth\u7b49\u5404\u79cd\u7f51\u7edc\u7c7b\u578b\u3002<\/li>\n<li>\u6570\u636e\u5305\u89e3\u7801&#xff1a;Tcpdump\u53ef\u4ee5\u89e3\u7801\u6355\u83b7\u7684\u6570\u636e\u5305&#xff0c;\u663e\u793a\u5176\u4e2d\u7684\u6570\u636e\u5185\u5bb9&#xff0c;\u5305\u62ec\u6587\u672c\u3001\u56fe\u50cf\u3001\u97f3\u9891\u3001\u89c6\u9891\u7b49\u3002<\/li>\n<li>\u8fc7\u6ee4\u548c\u641c\u7d22&#xff1a;Tcpdump\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u8fc7\u6ee4\u548c\u641c\u7d22\u529f\u80fd&#xff0c;\u7528\u6237\u53ef\u4ee5\u6839\u636e\u9700\u8981\u5feb\u901f\u5b9a\u4f4d\u548c\u5206\u6790\u7279\u5b9a\u7684\u6570\u636e\u5305\u3002<\/li>\n<li>\u56fe\u5f62\u5316\u663e\u793a&#xff1a;Tcpdump\u53ef\u4ee5\u5c06\u6355\u83b7\u7684\u6570\u636e\u5305\u4ee5\u56fe\u5f62\u5316\u7684\u65b9\u5f0f\u663e\u793a&#xff0c;\u5305\u62ec\u6d41\u56fe\u3001\u5bf9\u8bdd\u6846\u3001\u7edf\u8ba1\u56fe\u8868\u7b49\u3002<\/li>\n<\/ul>\n<p>Tcpdump\u7684\u5e38\u89c1\u5e94\u7528\u573a\u666f<\/p>\n<ul>\n<li>\u7f51\u7edc\u6545\u969c\u8bca\u65ad&#xff1a;Tcpdump\u53ef\u4ee5\u5e2e\u52a9\u7ba1\u7406\u5458\u8bca\u65ad\u7f51\u7edc\u6545\u969c&#xff0c;\u4f8b\u5982\u7f51\u7edc\u8fde\u63a5\u95ee\u9898\u3001\u6570\u636e\u4f20\u8f93\u95ee\u9898\u7b49\u3002<\/li>\n<li>\u7f51\u7edc\u5b89\u5168\u76d1\u63a7&#xff1a;Tcpdump\u53ef\u4ee5\u5e2e\u52a9\u7ba1\u7406\u5458\u76d1\u63a7\u7f51\u7edc\u4e2d\u7684\u6d3b\u52a8&#xff0c;\u68c0\u6d4b\u548c\u9632\u6b62\u6076\u610f\u6d3b\u52a8\u548c\u6f0f\u6d1e\u3002<\/li>\n<li>\u7f51\u7edc\u6027\u80fd\u4f18\u5316&#xff1a;Tcpdump\u53ef\u4ee5\u5e2e\u52a9\u7ba1\u7406\u5458\u4f18\u5316\u7f51\u7edc\u6027\u80fd&#xff0c;\u4f8b\u5982\u5206\u6790\u7f51\u7edc\u5ef6\u8fdf\u3001 packet loss\u7b49\u95ee\u9898\u3002<\/li>\n<li>\u534f\u8bae\u5f00\u53d1\u548c\u6d4b\u8bd5&#xff1a;Tcpdump\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u5f00\u53d1\u548c\u6d4b\u8bd5\u7f51\u7edc\u534f\u8bae&#xff0c;\u4f8b\u5982\u6d4b\u8bd5\u65b0\u7684\u7f51\u7edc\u534f\u8bae\u6216\u4f18\u5316\u73b0\u6709\u7684\u534f\u8bae\u3002<\/li>\n<\/ul>\n<p>Tcpdump\u7684\u4f18\u70b9<\/p>\n<ul>\n<li>\u514d\u8d39\u5f00\u6e90&#xff1a;Tcpdump\u662f\u514d\u8d39\u7684\u5f00\u6e90\u5de5\u5177&#xff0c;\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u4f7f\u7528\u548c\u4fee\u6539\u3002<\/li>\n<li>\u8de8\u5e73\u53f0\u652f\u6301&#xff1a;Tcpdump\u53ef\u4ee5\u5728\u591a\u79cd\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c&#xff0c;\u5305\u62ecWindows\u3001Linux\u3001Unix\u7b49\u3002<\/li>\n<li>\u529f\u80fd\u5f3a\u5927&#xff1a;Tcpdump\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u529f\u80fd&#xff0c;\u5305\u62ec\u6570\u636e\u5305\u6355\u83b7\u3001\u6570\u636e\u5305\u89e3\u7801\u3001\u8fc7\u6ee4\u548c\u641c\u7d22\u7b49\u3002<\/li>\n<li>\u8f7b\u4fbf\u7075\u6d3b&#xff1a;Tcpdump\u662f\u4e00\u4e2a\u8f7b\u4fbf\u7075\u6d3b\u7684\u5de5\u5177&#xff0c;\u6613\u4e8e\u4f7f\u7528\u548c\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<h4>5.8\u3001Fail2Ban<\/h4>\n<p>Fail2Ban\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u5165\u4fb5\u9632\u5fa1\u5de5\u5177&#xff0c;\u7531Cyrille Gros\u4e8e2004\u5e74\u521b\u5efa&#xff1b;\u5b83\u53ef\u4ee5\u76d1\u63a7\u7cfb\u7edf\u65e5\u5fd7&#xff0c;\u68c0\u6d4b\u548c\u9632\u6b62\u6076\u610f\u653b\u51fb&#xff0c;\u4f8b\u5982\u66b4\u529b\u7834\u89e3\u5bc6\u7801\u3001\u626b\u63cf\u7aef\u53e3\u3001\u653b\u51fbWeb\u5e94\u7528\u7a0b\u5e8f\u7b49\u3002<\/p>\n<p>Fail2Ban\u7684\u4e3b\u8981\u529f\u80fd<\/p>\n<ul>\n<li>\u65e5\u5fd7\u76d1\u63a7&#xff1a;Fail2Ban\u53ef\u4ee5\u76d1\u63a7\u7cfb\u7edf\u65e5\u5fd7&#xff0c;\u68c0\u6d4b\u6076\u610f\u6d3b\u52a8\u548c\u53ef\u7591\u884c\u4e3a\u3002<\/li>\n<li>\u653b\u51fb\u68c0\u6d4b&#xff1a;Fail2Ban\u53ef\u4ee5\u68c0\u6d4b\u6076\u610f\u653b\u51fb&#xff0c;\u4f8b\u5982\u66b4\u529b\u7834\u89e3\u5bc6\u7801\u3001\u626b\u63cf\u7aef\u53e3\u3001\u653b\u51fbWeb\u5e94\u7528\u7a0b\u5e8f\u7b49\u3002<\/li>\n<li>\u9632\u5fa1\u63aa\u65bd&#xff1a;Fail2Ban\u53ef\u4ee5\u91c7\u53d6\u9632\u5fa1\u63aa\u65bd&#xff0c;\u4f8b\u5982\u7981\u6b62\u653b\u51fb\u8005\u7684IP\u5730\u5740\u3001\u9650\u5236\u653b\u51fb\u8005\u7684\u8bbf\u95ee\u6743\u9650\u7b49\u3002<\/li>\n<li>\u90ae\u4ef6\u901a\u77e5&#xff1a;Fail2Ban\u53ef\u4ee5\u53d1\u9001\u90ae\u4ef6\u901a\u77e5&#xff0c;\u63d0\u9192\u7ba1\u7406\u5458\u6076\u610f\u653b\u51fb\u548c\u9632\u5fa1\u63aa\u65bd\u3002<\/li>\n<\/ul>\n<p>Fail2Ban\u7684\u4f18\u70b9<\/p>\n<ul>\n<li>\u514d\u8d39\u5f00\u6e90&#xff1a;Fail2Ban\u662f\u514d\u8d39\u7684\u5f00\u6e90\u5de5\u5177&#xff0c;\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u4f7f\u7528\u548c\u4fee\u6539\u3002<\/li>\n<li>\u8de8\u5e73\u53f0\u652f\u6301&#xff1a;Fail2Ban\u53ef\u4ee5\u5728\u591a\u79cd\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c&#xff0c;\u5305\u62ecLinux\u3001Unix\u3001Windows\u7b49\u3002<\/li>\n<li>\u529f\u80fd\u5f3a\u5927&#xff1a;Fail2Ban\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u529f\u80fd&#xff0c;\u5305\u62ec\u65e5\u5fd7\u76d1\u63a7\u3001\u653b\u51fb\u68c0\u6d4b\u3001\u9632\u5fa1\u63aa\u65bd\u7b49\u3002<\/li>\n<li>\u6613\u4e8e\u4f7f\u7528&#xff1a;Fail2Ban\u5177\u6709\u53cb\u597d\u7684\u7528\u6237\u754c\u9762&#xff0c;\u6613\u4e8e\u4f7f\u7528\u548c\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<p>Fail2Ban\u7684\u5e94\u7528\u573a\u666f<\/p>\n<ul>\n<li>\u670d\u52a1\u5668\u5b89\u5168&#xff1a;Fail2Ban\u53ef\u4ee5\u7528\u4e8e\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u6076\u610f\u653b\u51fb&#xff0c;\u4f8b\u5982\u66b4\u529b\u7834\u89e3\u5bc6\u7801\u3001\u626b\u63cf\u7aef\u53e3\u7b49\u3002<\/li>\n<li>Web\u5e94\u7528\u7a0b\u5e8f\u5b89\u5168&#xff1a;Fail2Ban\u53ef\u4ee5\u7528\u4e8e\u4fdd\u62a4Web\u5e94\u7528\u7a0b\u5e8f\u514d\u53d7\u653b\u51fb&#xff0c;\u4f8b\u5982SQL\u6ce8\u5165\u3001\u8de8\u7ad9\u811a\u672c\u653b\u51fb\u7b49\u3002<\/li>\n<li>\u7f51\u7edc\u5b89\u5168&#xff1a;Fail2Ban\u53ef\u4ee5\u7528\u4e8e\u4fdd\u62a4\u7f51\u7edc\u514d\u53d7\u6076\u610f\u653b\u51fb&#xff0c;\u4f8b\u5982\u626b\u63cf\u7aef\u53e3\u3001\u653b\u51fb\u8def\u7531\u5668\u7b49\u3002<\/li>\n<\/ul>\n<h4>5.9\u3001Nessus<\/h4>\n<p>Nessus\u662f\u4e00\u6b3e\u5546\u4e1a\u7684\u6f0f\u6d1e\u626b\u63cf\u5de5\u5177&#xff0c;\u7531Tenable Network Security\u516c\u53f8\u4e8e1998\u5e74\u521b\u5efa&#xff1b;\u5b83\u53ef\u4ee5\u626b\u63cf\u7f51\u7edc\u4e2d\u7684\u4e3b\u673a\u548c\u8bbe\u5907&#xff0c;\u68c0\u6d4b\u6f0f\u6d1e\u3001\u5f31\u70b9\u548c\u6076\u610f\u8f6f\u4ef6&#xff0c;\u5e2e\u52a9\u7ba1\u7406\u5458\u548c\u5b89\u5168\u4e13\u4e1a\u4eba\u5458\u8bc4\u4f30\u548c\u6539\u8fdb\u7f51\u7edc\u5b89\u5168\u3002<\/p>\n<p>Nessus\u7684\u4e3b\u8981\u529f\u80fd\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u6f0f\u6d1e\u626b\u63cf&#xff1a;Nessus\u53ef\u4ee5\u626b\u63cf\u7f51\u7edc\u4e2d\u7684\u4e3b\u673a\u548c\u8bbe\u5907&#xff0c;\u68c0\u6d4b\u6f0f\u6d1e\u3001\u5f31\u70b9\u548c\u6076\u610f\u8f6f\u4ef6\u3002<\/li>\n<li>\u914d\u7f6e\u5ba1\u6838&#xff1a;Nessus\u53ef\u4ee5\u5ba1\u6838\u7f51\u7edc\u8bbe\u5907\u548c\u4e3b\u673a\u7684\u914d\u7f6e&#xff0c;\u68c0\u6d4b\u8fdd\u53cd\u5b89\u5168\u653f\u7b56\u548c\u6cd5\u89c4\u7684\u914d\u7f6e\u3002<\/li>\n<li>\u5408\u89c4\u6027\u68c0\u6d4b&#xff1a;Nessus\u53ef\u4ee5\u68c0\u6d4b\u7f51\u7edc\u8bbe\u5907\u548c\u4e3b\u673a\u662f\u5426\u7b26\u5408\u5b89\u5168\u6807\u51c6\u548c\u6cd5\u89c4&#xff0c;\u4f8b\u5982PCI DSS\u3001HIPAA\u7b49\u3002<\/li>\n<li>\u6076\u610f\u8f6f\u4ef6\u68c0\u6d4b&#xff1a;Nessus\u53ef\u4ee5\u68c0\u6d4b\u6076\u610f\u8f6f\u4ef6&#xff0c;\u4f8b\u5982\u75c5\u6bd2\u3001\u6728\u9a6c\u3001Trojan\u7b49\u3002<\/li>\n<li>\u62a5\u544a\u751f\u6210&#xff1a;Nessus\u53ef\u4ee5\u751f\u6210\u8be6\u7ec6\u7684\u62a5\u544a&#xff0c;\u5305\u62ec\u6f0f\u6d1e\u626b\u63cf\u7ed3\u679c\u3001\u914d\u7f6e\u5ba1\u6838\u7ed3\u679c\u3001\u5408\u89c4\u6027\u68c0\u6d4b\u7ed3\u679c\u7b49\u3002<\/li>\n<\/ul>\n<p>Nessus\u7684\u4f18\u70b9<\/p>\n<ul>\n<li>\u529f\u80fd\u5f3a\u5927&#xff1a;Nessus\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u529f\u80fd&#xff0c;\u5305\u62ec\u6f0f\u6d1e\u626b\u63cf\u3001\u914d\u7f6e\u5ba1\u6838\u3001\u5408\u89c4\u6027\u68c0\u6d4b\u7b49\u3002<\/li>\n<li>\u9ad8\u51c6\u786e\u6027&#xff1a;Nessus\u5177\u6709\u9ad8\u51c6\u786e\u6027&#xff0c;\u80fd\u591f\u68c0\u6d4b\u5230\u5404\u79cd\u7c7b\u578b\u7684\u6f0f\u6d1e\u548c\u5f31\u70b9\u3002<\/li>\n<li>\u6613\u4e8e\u4f7f\u7528&#xff1a;Nessus\u5177\u6709\u53cb\u597d\u7684\u7528\u6237\u754c\u9762&#xff0c;\u6613\u4e8e\u4f7f\u7528\u548c\u914d\u7f6e\u3002<\/li>\n<li>\u8de8\u5e73\u53f0\u652f\u6301&#xff1a;Nessus\u53ef\u4ee5\u5728\u591a\u79cd\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c&#xff0c;\u5305\u62ecWindows\u3001Linux\u3001Unix\u7b49\u3002<\/li>\n<\/ul>\n<p>Nessus\u7684\u5e94\u7528\u573a\u666f<\/p>\n<ul>\n<li>\u6f0f\u6d1e\u7ba1\u7406&#xff1a;Nessus\u53ef\u4ee5\u7528\u4e8e\u6f0f\u6d1e\u7ba1\u7406&#xff0c;\u68c0\u6d4b\u548c\u4fee\u590d\u6f0f\u6d1e\u548c\u5f31\u70b9\u3002<\/li>\n<li>\u5408\u89c4\u6027\u68c0\u6d4b&#xff1a;Nessus\u53ef\u4ee5\u7528\u4e8e\u5408\u89c4\u6027\u68c0\u6d4b&#xff0c;\u68c0\u6d4b\u8fdd\u53cd\u5b89\u5168\u653f\u7b56\u548c\u6cd5\u89c4\u7684\u914d\u7f6e\u548c\u884c\u4e3a\u3002<\/li>\n<li>\u5b89\u5168\u5ba1\u6838&#xff1a;Nessus\u53ef\u4ee5\u7528\u4e8e\u5b89\u5168\u5ba1\u6838&#xff0c;\u8bc4\u4f30\u548c\u6539\u8fdb\u7f51\u7edc\u5b89\u5168\u3002<\/li>\n<li>\u6076\u610f\u8f6f\u4ef6\u68c0\u6d4b&#xff1a;Nessus\u53ef\u4ee5\u7528\u4e8e\u6076\u610f\u8f6f\u4ef6\u68c0\u6d4b&#xff0c;\u68c0\u6d4b\u548c\u5220\u9664\u6076\u610f\u8f6f\u4ef6\u3002<\/li>\n<\/ul>\n<h4>5.10\u3001Host-based Intrusion Detection System (HIDS)<\/h4>\n<p>Host-based Intrusion Detection System (HIDS)\u662f\u4e00\u79cd\u57fa\u4e8e\u4e3b\u673a\u7684\u5165\u4fb5\u68c0\u6d4b\u7cfb\u7edf&#xff0c;\u65e8\u5728\u68c0\u6d4b\u548c\u9632\u6b62\u5bf9\u4e3b\u673a\u7684\u5165\u4fb5\u6d3b\u52a8&#xff1b;HIDS\u901a\u5e38\u5b89\u88c5\u5728\u4e3b\u673a\u4e0a&#xff0c;\u76d1\u63a7\u4e3b\u673a\u7684\u7cfb\u7edf\u8c03\u7528\u3001\u6587\u4ef6\u8bbf\u95ee\u3001\u7f51\u7edc\u6d41\u91cf\u7b49\u6d3b\u52a8&#xff0c;\u4ee5\u68c0\u6d4b\u53ef\u80fd\u7684\u5165\u4fb5\u6d3b\u52a8\u3002<\/p>\n<p>HIDS\u7684\u4e3b\u8981\u529f\u80fd<\/p>\n<ul>\n<li>\u7cfb\u7edf\u8c03\u7528\u76d1\u63a7&#xff1a;HIDS\u53ef\u4ee5\u76d1\u63a7\u4e3b\u673a\u7684\u7cfb\u7edf\u8c03\u7528&#xff0c;\u68c0\u6d4b\u53ef\u80fd\u7684\u6076\u610f\u6d3b\u52a8\u3002<\/li>\n<li>\u6587\u4ef6\u8bbf\u95ee\u76d1\u63a7&#xff1a;HIDS\u53ef\u4ee5\u76d1\u63a7\u4e3b\u673a\u7684\u6587\u4ef6\u8bbf\u95ee&#xff0c;\u68c0\u6d4b\u53ef\u80fd\u7684\u672a\u7ecf\u6388\u6743\u7684\u6587\u4ef6\u8bbf\u95ee\u3002<\/li>\n<li>\u7f51\u7edc\u6d41\u91cf\u76d1\u63a7&#xff1a;HIDS\u53ef\u4ee5\u76d1\u63a7\u4e3b\u673a\u7684\u7f51\u7edc\u6d41\u91cf&#xff0c;\u68c0\u6d4b\u53ef\u80fd\u7684\u6076\u610f\u7f51\u7edc\u6d3b\u52a8\u3002<\/li>\n<li>\u65e5\u5fd7\u5206\u6790&#xff1a;HIDS\u53ef\u4ee5\u5206\u6790\u4e3b\u673a\u7684\u65e5\u5fd7&#xff0c;\u68c0\u6d4b\u53ef\u80fd\u7684\u5165\u4fb5\u6d3b\u52a8\u3002<\/li>\n<li>\u8b66\u62a5\u751f\u6210&#xff1a;HIDS\u53ef\u4ee5\u751f\u6210\u8b66\u62a5&#xff0c;\u63d0\u9192\u7ba1\u7406\u5458\u53ef\u80fd\u7684\u5165\u4fb5\u6d3b\u52a8\u3002<\/li>\n<\/ul>\n<p>HIDS\u7684\u4f18\u70b9<\/p>\n<ul>\n<li>\u5b9e\u65f6\u68c0\u6d4b&#xff1a;HIDS\u53ef\u4ee5\u5b9e\u65f6\u68c0\u6d4b\u5165\u4fb5\u6d3b\u52a8&#xff0c;\u5feb\u901f\u54cd\u5e94\u653b\u51fb\u3002<\/li>\n<li>\u9ad8\u51c6\u786e\u6027&#xff1a;HIDS\u53ef\u4ee5\u68c0\u6d4b\u5230\u5404\u79cd\u7c7b\u578b\u7684\u5165\u4fb5\u6d3b\u52a8&#xff0c;\u5305\u62ec\u5df2\u77e5\u548c\u672a\u77e5\u7684\u653b\u51fb\u3002<\/li>\n<li>\u4e3b\u673a\u7ea7\u522b\u7684\u4fdd\u62a4&#xff1a;HIDS\u53ef\u4ee5\u63d0\u4f9b\u4e3b\u673a\u7ea7\u522b\u7684\u4fdd\u62a4&#xff0c;\u68c0\u6d4b\u548c\u9632\u6b62\u5bf9\u4e3b\u673a\u7684\u5165\u4fb5\u6d3b\u52a8\u3002<\/li>\n<li>\u53ef\u6269\u5c55\u6027\u5f3a&#xff1a;HIDS\u53ef\u4ee5\u4e0e\u5176\u4ed6\u5b89\u5168\u5de5\u5177\u96c6\u6210&#xff0c;\u63d0\u4f9b\u66f4\u52a0 comprehensive \u7684\u5b89\u5168\u4fdd\u62a4\u3002<\/li>\n<\/ul>\n<p>HIDS\u7684\u5e94\u7528\u573a\u666f<\/p>\n<ul>\n<li>\u670d\u52a1\u5668\u5b89\u5168&#xff1a;HIDS\u53ef\u4ee5\u7528\u4e8e\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u5165\u4fb5\u6d3b\u52a8&#xff0c;\u4f8b\u5982\u6076\u610f\u8f6f\u4ef6\u3001\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u7b49\u3002<\/li>\n<li>_endpoint_\u5b89\u5168&#xff1a;HIDS\u53ef\u4ee5\u7528\u4e8e\u4fdd\u62a4\u7ec8\u7aef\u8bbe\u5907\u514d\u53d7\u5165\u4fb5\u6d3b\u52a8&#xff0c;\u4f8b\u5982\u6076\u610f\u8f6f\u4ef6\u3001\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u7b49\u3002<\/li>\n<li>\u4e91\u5b89\u5168&#xff1a;HIDS\u53ef\u4ee5\u7528\u4e8e\u4fdd\u62a4\u4e91\u8ba1\u7b97\u73af\u5883\u514d\u53d7\u5165\u4fb5\u6d3b\u52a8&#xff0c;\u4f8b\u5982\u6076\u610f\u8f6f\u4ef6\u3001\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u7b49\u3002<\/li>\n<\/ul>\n<p>\u5e38\u89c1\u7684HIDS\u5de5\u5177<\/p>\n<ul>\n<li>OSSEC<\/li>\n<li>Samhain<\/li>\n<li>AIDE<\/li>\n<li>Tripwire<\/li>\n<li>Host-based Intrusion Detection System (HIDS) by IBM<\/li>\n<\/ul>\n<h3>\u516d\u3001Xinetd<\/h3>\n<p>xinetd&#xff0c;\u5373\u6269\u5c55\u7684\u4e92\u8054\u7f51\u5b88\u62a4\u8fdb\u7a0b&#xff0c;\u662f\u4e00\u4e2a\u5728Linux\u7cfb\u7edf\u4e2d\u626e\u6f14\u7740\u91cd\u8981\u89d2\u8272\u7684\u7f51\u7edc\u670d\u52a1\u7ba1\u7406\u5de5\u5177&#xff1b;\u5b83\u88ab\u8bbe\u8ba1\u7528\u6765\u76d1\u542c\u6765\u81ea\u7f51\u7edc\u7684\u8bf7\u6c42&#xff0c;\u5e76\u6309\u9700\u542f\u52a8\u76f8\u5e94\u7684\u670d\u52a1\u7a0b\u5e8f\u6765\u5904\u7406\u8fd9\u4e9b\u8bf7\u6c42&#xff1b;\u4e0d\u540c\u4e8e\u4f20\u7edf\u7684\u72ec\u7acb\u5b88\u62a4\u8fdb\u7a0b&#xff0c;xinetd\u4f5c\u4e3a\u4e00\u4e2a\u8d85\u7ea7\u5b88\u62a4\u8fdb\u7a0b&#xff0c;\u80fd\u591f\u6709\u6548\u5730\u7ba1\u7406\u548c\u63a7\u5236\u5bf9\u591a\u79cd\u8f7b\u91cf\u7ea7Internet\u670d\u52a1\u7684\u8bbf\u95ee\u3002<\/p>\n<ul>\n<li>\u8bbf\u95ee\u63a7\u5236&#xff1a;xinetd\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u8bbf\u95ee\u63a7\u5236\u529f\u80fd&#xff0c;\u5305\u62ec\u57fa\u4e8e\u4e3b\u673a\u7684\u8fde\u63a5\u6570\u9650\u5236\u548c\u7279\u5b9a\u670d\u52a1\u7684\u8fde\u63a5\u65f6\u95f4\u8bbe\u7f6e\u3002\u901a\u8fc7\u4f7f\u7528libwrap\u652f\u6301&#xff0c;xinetd\u80fd\u591f\u5b9e\u73b0\u5bf9TCP\u8fde\u63a5\u7684\u7ec6\u7c92\u5ea6\u63a7\u5236&#xff0c;\u8fd9\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u589e\u5f3a\u4e86\u670d\u52a1\u7684\u8bbf\u95ee\u5b89\u5168\u6027\u3002<\/li>\n<li>\u9632\u6b62DoS\u653b\u51fb&#xff1a;\u5728\u7f51\u7edc\u5b89\u5168\u9886\u57df&#xff0c;DoS\u653b\u51fb\u4e00\u76f4\u662f\u4e00\u4e2a\u68d8\u624b\u7684\u95ee\u9898\u3002xinetd\u901a\u8fc7\u9650\u5236\u540c\u4e00\u6765\u6e90\u7684\u5ba2\u6237\u7aef\u7684\u6700\u5927\u8fde\u63a5\u6570\u548c\u540c\u4e00\u79d2\u5185\u7684\u6700\u5927\u8fde\u63a5\u9891\u7387&#xff0c;\u6709\u6548\u9632\u6b62\u4e86\u67d0\u4e9b\u4e3b\u673a\u72ec\u5360\u8d44\u6e90\u6216\u6076\u610f\u6d88\u8017\u670d\u52a1\u5668\u8d44\u6e90\u7684\u60c5\u51b5&#xff0c;\u4ece\u800c\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u907f\u514d\u4e86DoS\u653b\u51fb\u7684\u53d1\u751f\u3002<\/li>\n<li>\u65e5\u5fd7\u8bb0\u5f55&#xff1a;xinetd\u62e5\u6709\u5f3a\u5927\u7684\u65e5\u5fd7\u529f\u80fd&#xff0c;\u53ef\u4ee5\u8be6\u7ec6\u8bb0\u5f55\u6bcf\u4e00\u4e2a\u670d\u52a1\u8bf7\u6c42\u7684\u8d77\u6b62\u65f6\u95f4\u548c\u72b6\u6001&#xff0c;\u751a\u81f3\u8bb0\u5f55\u975e\u6cd5\u8bbf\u95ee\u5c1d\u8bd5\u3002\u8fd9\u79cd\u8be6\u5c3d\u7684\u65e5\u5fd7\u8bb0\u5f55\u4e0d\u4ec5\u6709\u52a9\u4e8e\u8ffd\u8e2a\u6f5c\u5728\u7684\u5b89\u5168\u95ee\u9898&#xff0c;\u4e5f\u4e3a\u7cfb\u7edf\u7ba1\u7406\u5458\u63d0\u4f9b\u4e86\u5b9d\u8d35\u7684\u5ba1\u8ba1\u4fe1\u606f\u3002<\/li>\n<li>\u914d\u7f6e\u7ba1\u7406&#xff1a;xinetd\u7684\u914d\u7f6e\u7ba1\u7406\u975e\u5e38\u7075\u6d3b&#xff0c;\u4e3b\u8981\u7684\u914d\u7f6e\u6587\u4ef6\u662f\/etc\/xinetd.conf&#xff0c;\u800c\u5177\u4f53\u7684\u670d\u52a1\u914d\u7f6e\u5219\u4f4d\u4e8e\/etc\/xinetd.d\u76ee\u5f55\u4e0b\u3002\u901a\u8fc7\u7b80\u5355\u5730\u4fee\u6539\u8fd9\u4e9b\u914d\u7f6e\u6587\u4ef6&#xff0c;\u7ba1\u7406\u5458\u53ef\u4ee5\u8f7b\u677e\u5730\u542f\u7528\u6216\u7981\u7528\u67d0\u9879\u670d\u52a1&#xff0c;\u6216\u662f\u8c03\u6574\u670d\u52a1\u7684\u5177\u4f53\u8fd0\u884c\u53c2\u6570&#xff0c;\u5982\u7528\u6237\u6743\u9650\u548c\u670d\u52a1\u7ed1\u5b9a\u7684\u7f51\u7edc\u63a5\u53e3\u7b49\u3002<\/li>\n<li>RPC\u670d\u52a1&#xff1a;\u5c3d\u7ba1xinetd\u5bf9RPC\u670d\u52a1\u7684\u652f\u6301\u5b58\u5728\u4e0d\u7a33\u5b9a\u6027&#xff0c;\u4f46\u901a\u8fc7\u4e0eprotmap\u5171\u5b58\u7684\u65b9\u5f0f&#xff0c;\u8fd9\u4e00\u95ee\u9898\u53ef\u4ee5\u5f97\u5230\u89e3\u51b3\u3002\u8fd9\u4f7f\u5f97xinetd\u80fd\u591f\u7ba1\u7406\u66f4\u591a\u7c7b\u578b\u7684\u670d\u52a1&#xff0c;\u6269\u5927\u4e86\u5176\u5e94\u7528\u8303\u56f4\u3002<\/li>\n<li>IPv6\u652f\u6301&#xff1a;\u4ecexinetd 2.1.8.8pre\u7248\u672c\u5f00\u59cb&#xff0c;xinetd\u652f\u6301IPv6&#xff0c;\u8fd9\u5bf9\u4e8e\u9002\u5e94\u73b0\u4ee3\u7f51\u7edc\u73af\u5883\u548c\u63d0\u5347\u7f51\u7edc\u6027\u80fd\u5177\u6709\u79ef\u6781\u610f\u4e49\u3002\u540c\u65f6&#xff0c;\u5b83\u8fd8\u4fdd\u6301\u4e86\u5bf9\u4f20\u7edfIPv4\u7684\u652f\u6301\u3002<\/li>\n<li>\u4ea4\u4e92\u529f\u80fd&#xff1a;\u65e0\u8bba\u5ba2\u6237\u7aef\u8bf7\u6c42\u662f\u5426\u6210\u529f&#xff0c;xinetd\u90fd\u4f1a\u63d0\u4f9b\u660e\u786e\u7684\u8fde\u63a5\u72b6\u6001\u53cd\u9988&#xff0c;\u8fd9\u4e3a\u6545\u969c\u8bca\u65ad\u548c\u7528\u6237\u4f53\u9a8c\u5e26\u6765\u4e86\u4fbf\u5229\u3002<\/li>\n<\/ul>\n<h4>6.1\u3001only_from\u547d\u4ee4<\/h4>\n<p>\u8be5\u6307\u4ee4\u6307\u5b9a\u4e86\u5141\u8bb8\u8fde\u63a5\u5230 Xinetd \u7684 IP \u5730\u5740\u3002<\/p>\n<p>[root&#064;root ~]# echo &#034;only_from &#061; 127.0.0.1&#034; &gt;&gt; \/etc\/xinetd.conf<\/p>\n<h4>6.2\u3001auth_required \u547d\u4ee4<\/h4>\n<p>\u8be5\u6307\u4ee4\u6307\u5b9a\u4e86\u662f\u5426\u9700\u8981\u8eab\u4efd\u9a8c\u8bc1\u7684\u670d\u52a1\u3002<\/p>\n<p>[root&#064;root ~]# echo &#034;auth_required &#061; yes&#034; &gt;&gt; \/etc\/xinetd.conf<\/p>\n<h4>6.3\u3001services \u547d\u4ee4<\/h4>\n<p>\u8be5\u6307\u4ee4\u6307\u5b9a\u4e86 Xinetd \u9700\u8981\u542f\u52a8\u7684\u670d\u52a1\u5217\u8868\u3002<\/p>\n<p>[root&#064;root ~]# echo &#034;services &#061; ftp, ssh&#034; &gt;&gt; \/etc\/xinetd.conf<\/p>\n<h4>6.4\u3001socket_type \u547d\u4ee4<\/h4>\n<p>\u8be5\u6307\u4ee4\u6307\u5b9a\u4e86\u670d\u52a1\u7684 socket \u7c7b\u578b\u3002<\/p>\n<p>[root&#064;root ~]# echo &#034;socket_type &#061; stream&#034; &gt;&gt; \/etc\/xinetd.d\/ftp<\/p>\n<h4>6.5\u3001protocol \u547d\u4ee4<\/h4>\n<p>\u8be5\u6307\u4ee4\u6307\u5b9a\u4e86\u670d\u52a1\u7684\u534f\u8bae\u7c7b\u578b\u3002<\/p>\n<p>[root&#064;root ~]# echo &#034;protocol &#061; tcp&#034; &gt;&gt; \/etc\/xinetd.d\/ftp<\/p>\n<h4>6.6\u3001wait\u547d\u4ee4<\/h4>\n<p>\u8be5\u6307\u4ee4\u6307\u5b9a\u4e86\u670d\u52a1\u7684\u7b49\u5f85\u6a21\u5f0f\u3002<\/p>\n<p>[root&#064;root ~]# echo &#034;wait &#061; no&#034; &gt;&gt; \/etc\/xinetd.d\/ftp<\/p>\n<h4>6.7\u3001user\u547d\u4ee4<\/h4>\n<p>\u8be5\u6307\u4ee4\u6307\u5b9a\u4e86\u670d\u52a1\u7684\u7528\u6237 ID\u3002<\/p>\n<p>[root&#064;root ~]# echo &#034;user &#061; root&#034; &gt;&gt; \/etc\/xinetd.d\/ftp<\/p>\n<h4>6.8\u3001disable\u547d\u4ee4<\/h4>\n<p>\u8be5\u6307\u4ee4\u6307\u5b9a\u4e86\u670d\u52a1\u662f\u5426\u7981\u7528\u3002<\/p>\n<p>[root&#064;root ~]# echo &#034;disable &#061; yes&#034; &gt;&gt; \/etc\/xinetd.d\/ftp<\/p>\n<h4>6.9\u3001log_type\u547d\u4ee4<\/h4>\n<p>\u8be5\u6307\u4ee4\u6307\u5b9a\u4e86\u670d\u52a1\u7684\u65e5\u5fd7\u7c7b\u578b\u3002<\/p>\n<p>[root&#064;root ~]# echo &#034;log_type &#061; SYSLOG authpriv&#034; &gt;&gt; \/etc\/xinetd.d\/ftp<\/p>\n<p>\u4e92\u52a8\u8bdd\u9898&#xff1a;\u5982\u679c\u4f60\u60f3\u5b66\u4e60\u66f4\u591a\u7f51\u5b89\u65b9\u9762\u7684\u77e5\u8bc6\u548c\u5de5\u5177&#xff0c;\u53ef\u4ee5\u770b\u770b\u4ee5\u4e0b\u9898\u5916\u8bdd&#xff01;<\/p>\n<h3>\u9898\u5916\u8bdd<\/h3>\n<p>\u4eca\u5929\u53ea\u8981\u4f60\u7ed9\u6211\u7684\u6587\u7ae0\u70b9\u8d5e&#xff0c;\u6211\u79c1\u85cf\u7684\u7f51\u5b89\u5b66\u4e60\u8d44\u6599\u4e00\u6837\u514d\u8d39\u5171\u4eab\u7ed9\u4f60\u4eec&#xff0c;\u6765\u770b\u770b\u6709\u54ea\u4e9b\u4e1c\u897f\u3002<\/p>\n<p>\u7f51\u7edc\u5b89\u5168\u5b66\u4e60\u8d44\u6e90\u5206\u4eab:<\/p>\n<p>\u4e0b\u9762\u7ed9\u5927\u5bb6\u5206\u4eab\u4e00\u4efd2025\u6700\u65b0\u7248\u7684\u7f51\u7edc\u5b89\u5168\u5b66\u4e60&#xff0c;\u5e2e\u52a9\u65b0\u4eba\u5c0f\u767d\u66f4\u7cfb\u7edf\u3001\u66f4\u5feb\u901f\u7684\u5b66\u4e60\u9ed1\u5ba2\u6280\u672f&#xff01;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260114033338-69670e924daa4.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u8bfb\u8005\u798f\u5229 | CSDN\u5927\u793c\u5305&#xff1a;\u300a\u7f51\u7edc\u5b89\u5168\u5165\u95e8&amp;\u8fdb\u9636\u5b66\u4e60\u8d44\u6e90\u5305\u300b\u514d\u8d39\u5206\u4eab &#xff08;\u5b89\u5168\u94fe\u63a5&#xff0c;\u653e\u5fc3\u70b9\u51fb&#xff09;!<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260114033339-69670e934c4df.gif\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260114033339-69670e93bbde8.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u76ee\u5f55<br \/>\n\u4e00\u3001\u7f51\u7edc\u5b89\u5168\u6982\u8ff0\u4e8c\u3001\u5e38\u7528\u670d\u52a1\u7aef\u53e3\u4e09\u3001 ping\u547d\u4ee4\u7684\u4f7f\u7528 3.1\u3001ping\u547d\u4ee4\u7684\u7b80\u5355\u6982\u8ff03.2\u3001ping\u547d\u4ee4\u7684\u4f7f\u7528 \u56db\u3001\u8d44\u6e90\u9650\u5236 4.1\u3001\u67e5\u770b\u7cfb\u7edf\u8d44\u6e90\u9650\u52364.2\u3001\u4e34\u65f6\u4fee\u6539\u8d44\u6e90\u9650\u52364.3\u3001\u6c38\u4e45\u4fee\u6539\u8d44\u6e90\u9650\u5236 \u4e94\u3001\u7f51\u7edc\u5b89\u5168\u670d\u52a1\u5de5\u5177\u4ecb\u7ecd 5.1\u3001ClamAV5.2\u3001Nmap5.3\u3001Wireshark5.4\u3001Netcat5.5\u3001Snort5.6\u3001Lynis5.7\u3001Tcpdump5.8\u3001Fail2Ban5.9\u3001Nessus5.10\u3001Host-based Intrusion 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