{"id":31916,"date":"2025-04-22T12:11:03","date_gmt":"2025-04-22T04:11:03","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/31916.html"},"modified":"2025-04-22T12:11:03","modified_gmt":"2025-04-22T04:11:03","slug":"%e5%a6%82%e4%bd%95%e6%8e%92%e6%9f%a5%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%98%af%e5%90%a6%e6%9c%89%e8%a2%ab%e9%bb%91%e5%ae%a2%e5%85%a5%e4%be%b5%e7%9a%84%e8%bf%b9%e8%b1%a1%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/31916.html","title":{"rendered":"\u5982\u4f55\u6392\u67e5\u670d\u52a1\u5668\u662f\u5426\u6709\u88ab\u9ed1\u5ba2\u5165\u4fb5\u7684\u8ff9\u8c61\uff1f"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" alt=\"\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250422041101-680716d5b2d11.jpg\" \/><\/p>\n<p>\u6392\u67e5\u670d\u52a1\u5668\u662f\u5426\u88ab\u9ed1\u5ba2\u5165\u4fb5\u662f\u7cfb\u7edf\u7ef4\u62a4\u7684\u91cd\u8981\u5de5\u4f5c\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u6392\u67e5\u6b65\u9aa4&#xff0c;\u901a\u8fc7\u5206\u6790\u65e5\u5fd7\u3001\u68c0\u67e5\u7528\u6237\u3001\u8fdb\u7a0b\u3001\u7f51\u7edc\u8fde\u63a5\u7b49\u591a\u4e2a\u65b9\u9762\u6765\u5224\u65ad\u670d\u52a1\u5668\u662f\u5426\u5b58\u5728\u88ab\u5165\u4fb5\u7684\u8ff9\u8c61\u3002<\/p>\n<hr \/>\n<h3>\u4e00\u3001\u5165\u4fb5\u7684\u5e38\u89c1\u8ff9\u8c61<\/h3>\n<p>\u5728\u5f00\u59cb\u6392\u67e5\u4e4b\u524d&#xff0c;\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5165\u4fb5\u8ff9\u8c61&#xff0c;\u82e5\u53d1\u73b0\u8fd9\u4e9b\u60c5\u51b5&#xff0c;\u9700\u8981\u8fdb\u4e00\u6b65\u6df1\u5165\u68c0\u67e5&#xff1a;<\/p>\n<li>\n<p>\u670d\u52a1\u5668\u6027\u80fd\u5f02\u5e38&#xff1a;<\/p>\n<ul>\n<li>CPU\u3001\u5185\u5b58\u6216\u78c1\u76d8\u4f7f\u7528\u7387\u5f02\u5e38\u5347\u9ad8\u3002<\/li>\n<li>\u7cfb\u7edf\u53d8\u6162\u6216\u5361\u987f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5f02\u5e38\u767b\u5f55\u6d3b\u52a8&#xff1a;<\/p>\n<ul>\n<li>\u51fa\u73b0\u672a\u77e5 IP \u5730\u5740\u7684\u767b\u5f55\u3002<\/li>\n<li>\u767b\u5f55\u5931\u8d25\u6b21\u6570\u6fc0\u589e\u3002<\/li>\n<li>\u5728\u975e\u6b63\u5e38\u65f6\u95f4\u6709\u767b\u5f55\u8bb0\u5f55\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6587\u4ef6\u88ab\u7be1\u6539\u6216\u65b0\u589e\u672a\u77e5\u6587\u4ef6&#xff1a;<\/p>\n<ul>\n<li>\u7cfb\u7edf\u5173\u952e\u6587\u4ef6&#xff08;\u5982 \/etc\/passwd\u3001\/etc\/shadow&#xff09;\u88ab\u4fee\u6539\u3002<\/li>\n<li>\u7cfb\u7edf\u76ee\u5f55\u4e2d\u51fa\u73b0\u672a\u77e5\u811a\u672c\u6216\u6587\u4ef6&#xff08;\u5982 \/tmp\u3001\/var\/tmp\u3001\/dev\/shm \u7b49&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5f02\u5e38\u7f51\u7edc\u6d41\u91cf&#xff1a;<\/p>\n<ul>\n<li>\u670d\u52a1\u5668\u6d41\u91cf\u6fc0\u589e\u3002<\/li>\n<li>\u6253\u5f00\u4e86\u672a\u77e5\u7aef\u53e3\u3002<\/li>\n<li>\u6301\u7eed\u5bf9\u5916\u8fde\u63a5\u53ef\u7591 IP\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u65e5\u5fd7\u5f02\u5e38&#xff1a;<\/p>\n<ul>\n<li>\u7cfb\u7edf\u65e5\u5fd7\u88ab\u6e05\u7a7a\u3002<\/li>\n<li>\u65e5\u5fd7\u4e2d\u6709\u5f02\u5e38\u767b\u5f55\u6216\u64cd\u4f5c\u8bb0\u5f55\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u53ef\u7591\u8fdb\u7a0b\u6216\u540e\u95e8&#xff1a;<\/p>\n<ul>\n<li>\u7cfb\u7edf\u4e2d\u8fd0\u884c\u672a\u77e5\u7684\u9ad8\u6743\u9650\u8fdb\u7a0b\u3002<\/li>\n<li>\u6709\u4f2a\u88c5\u6210\u6b63\u5e38\u670d\u52a1\u7684\u6076\u610f\u7a0b\u5e8f\u3002<\/li>\n<\/ul>\n<\/li>\n<hr \/>\n<h3>\u4e8c\u3001\u8be6\u7ec6\u6392\u67e5\u6b65\u9aa4<\/h3>\n<h4>1. \u68c0\u67e5\u767b\u5f55\u8bb0\u5f55<\/h4>\n<p>\u9ed1\u5ba2\u901a\u5e38\u4f1a\u901a\u8fc7 SSH \u6216\u5176\u4ed6\u8fdc\u7a0b\u65b9\u5f0f\u767b\u5f55\u670d\u52a1\u5668&#xff0c;\u68c0\u67e5\u767b\u5f55\u8bb0\u5f55\u53ef\u4ee5\u53d1\u73b0\u5f02\u5e38\u6d3b\u52a8\u3002<\/p>\n<h5>\u67e5\u770b\u767b\u5f55\u5386\u53f2<\/h5>\n<ul>\n<li>\u67e5\u770b\u6700\u8fd1\u767b\u5f55\u7684\u7528\u6237&#xff1a;\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p> last\n <\/li>\n<li>\u68c0\u67e5\u7cfb\u7edf\u4e2d\u662f\u5426\u6709\u5f02\u5e38\u7684\u8fdc\u7a0b\u767b\u5f55 IP \u6216\u975e\u6b63\u5e38\u65f6\u95f4\u7684\u767b\u5f55\u3002<\/li>\n<\/ul>\n<h5>\u67e5\u770b\u767b\u5f55\u5931\u8d25\u8bb0\u5f55<\/h5>\n<ul>\n<li>\u68c0\u67e5 SSH \u767b\u5f55\u5931\u8d25\u7684\u60c5\u51b5&#xff1a;\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p> grep &#034;Failed password&#034; \/var\/log\/secure<br \/>\n \u6216&#xff1a; <\/p>\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p> grep &#034;Failed password&#034; \/var\/log\/auth.log\n <\/li>\n<\/ul>\n<h5>\u68c0\u67e5\u6210\u529f\u767b\u5f55\u8bb0\u5f55<\/h5>\n<ul>\n<li>\u67e5\u770b\u6210\u529f\u7684 SSH \u767b\u5f55\u8bb0\u5f55&#xff1a;\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p> grep &#034;Accepted password&#034; \/var\/log\/secure<br \/>\n \u6216&#xff1a; <\/p>\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p> grep &#034;Accepted password&#034; \/var\/log\/auth.log\n <\/li>\n<\/ul>\n<h5>\u91cd\u70b9\u5173\u6ce8<\/h5>\n<ul>\n<li>\u662f\u5426\u6709\u6765\u81ea\u672a\u77e5 IP \u7684\u767b\u5f55\u3002<\/li>\n<li>\u662f\u5426\u6709\u5927\u91cf\u5931\u8d25\u767b\u5f55\u5c1d\u8bd5&#xff0c;\u53ef\u80fd\u662f\u66b4\u529b\u7834\u89e3\u653b\u51fb\u7684\u8ff9\u8c61\u3002<\/li>\n<\/ul>\n<hr \/>\n<h4>2. \u68c0\u67e5\u7528\u6237\u8d26\u6237<\/h4>\n<p>\u9ed1\u5ba2\u53ef\u80fd\u4f1a\u521b\u5efa\u65b0\u7684\u8d26\u6237\u4ee5\u4fdd\u6301\u5bf9\u7cfb\u7edf\u7684\u8bbf\u95ee\u3002<\/p>\n<h5>\u5217\u51fa\u6240\u6709\u7528\u6237<\/h5>\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p>cat \/etc\/passwd<\/p>\n<h5>\u67e5\u627e\u5177\u6709 root \u6743\u9650\u7684\u7528\u6237<\/h5>\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p>awk -F: &#039;($3 &#061;&#061; 0) {print}&#039; \/etc\/passwd<\/p>\n<h5>\u68c0\u67e5\u7528\u6237\u7ec4\u6587\u4ef6<\/h5>\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p>cat \/etc\/group<\/p>\n<h5>\u91cd\u70b9\u5173\u6ce8<\/h5>\n<ul>\n<li>\u662f\u5426\u6709\u65b0\u589e\u7684\u672a\u77e5\u7528\u6237\u3002<\/li>\n<li>\u666e\u901a\u7528\u6237\u662f\u5426\u88ab\u8d4b\u4e88\u4e86 root \u6743\u9650\u3002<\/li>\n<\/ul>\n<hr \/>\n<h4>3. \u68c0\u67e5\u7cfb\u7edf\u65e5\u5fd7<\/h4>\n<p>\u65e5\u5fd7\u6587\u4ef6\u53ef\u4ee5\u8bb0\u5f55\u670d\u52a1\u5668\u7684\u6d3b\u52a8&#xff0c;\u4f46\u9ed1\u5ba2\u53ef\u80fd\u4f1a\u6e05\u7a7a\u6216\u7be1\u6539\u65e5\u5fd7&#xff0c;\u56e0\u6b64\u8981\u4ed4\u7ec6\u68c0\u67e5\u3002<\/p>\n<h5>\u67e5\u770b\u7cfb\u7edf\u65e5\u5fd7<\/h5>\n<ul>\n<li>CentOS&#xff1a;\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p> cat \/var\/log\/messages\n <\/li>\n<li>Ubuntu&#xff1a;\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p> cat \/var\/log\/syslog\n <\/li>\n<\/ul>\n<h5>\u68c0\u67e5 SSH \u65e5\u5fd7<\/h5>\n<ul>\n<li>CentOS&#xff1a;\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p> cat \/var\/log\/secure\n <\/li>\n<li>Ubuntu&#xff1a;\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p> cat \/var\/log\/auth.log\n <\/li>\n<\/ul>\n<h5>\u68c0\u67e5\u662f\u5426\u6709\u6e05\u7a7a\u65e5\u5fd7\u7684\u75d5\u8ff9<\/h5>\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p>ls -lh \/var\/log\/<\/p>\n<ul>\n<li>\u5982\u679c\u65e5\u5fd7\u6587\u4ef6\u5927\u5c0f\u5f02\u5e38\u6216\u65f6\u95f4\u6233\u4e0d\u7b26\u5408\u9884\u671f&#xff0c;\u53ef\u80fd\u662f\u88ab\u6e05\u7a7a\u6216\u7be1\u6539\u3002<\/li>\n<\/ul>\n<hr \/>\n<h4>4. \u68c0\u67e5\u5f02\u5e38\u8fdb\u7a0b<\/h4>\n<p>\u9ed1\u5ba2\u53ef\u80fd\u4f1a\u8fd0\u884c\u540e\u95e8\u7a0b\u5e8f\u6216\u6076\u610f\u8fdb\u7a0b\u6765\u63a7\u5236\u670d\u52a1\u5668\u3002<\/p>\n<h5>\u67e5\u770b\u5f53\u524d\u8fd0\u884c\u7684\u8fdb\u7a0b<\/h5>\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p>ps aux<\/p>\n<h5>\u5bfb\u627e\u53ef\u7591\u8fdb\u7a0b<\/h5>\n<ul>\n<li>\u67e5\u770b\u662f\u5426\u6709\u4f2a\u88c5\u6210\u7cfb\u7edf\u8fdb\u7a0b\u7684\u6076\u610f\u7a0b\u5e8f&#xff08;\u5982\u4f2a\u88c5\u4e3a sshd\u3001nginx&#xff09;\u3002<\/li>\n<li>\u67e5\u770b\u8fdb\u7a0b\u7684\u8fd0\u884c\u8def\u5f84\u662f\u5426\u6b63\u5e38&#xff0c;\u91cd\u70b9\u68c0\u67e5 \/tmp\u3001\/var\/tmp\u3001\/dev\/shm \u7b49\u76ee\u5f55\u4e2d\u7684\u7a0b\u5e8f\u3002<\/li>\n<\/ul>\n<h5>\u5217\u51fa\u542f\u52a8\u9879<\/h5>\n<ul>\n<li>\u67e5\u770b\u5f00\u673a\u542f\u52a8\u670d\u52a1&#xff1a;\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p> systemctl list-units &#8211;type&#061;service\n <\/li>\n<li>\u68c0\u67e5\u5b9a\u65f6\u4efb\u52a1&#xff1a;\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p> crontab -l<br \/>\ncat \/etc\/crontab\n <\/li>\n<\/ul>\n<h5>\u91cd\u70b9\u5173\u6ce8<\/h5>\n<ul>\n<li>\u662f\u5426\u6709\u4e0d\u660e\u542f\u52a8\u9879\u6216\u5b9a\u65f6\u4efb\u52a1\u3002<\/li>\n<li>\u662f\u5426\u6709\u6076\u610f\u8fdb\u7a0b\u8fd0\u884c\u3002<\/li>\n<\/ul>\n<hr \/>\n<h4>5. \u68c0\u67e5\u7f51\u7edc\u8fde\u63a5<\/h4>\n<p>\u9ed1\u5ba2\u53ef\u80fd\u4f1a\u901a\u8fc7\u7f51\u7edc\u540e\u95e8\u8bbf\u95ee\u670d\u52a1\u5668\u6216\u5229\u7528\u670d\u52a1\u5668\u5bf9\u5916\u53d1\u8d77\u653b\u51fb\u3002<\/p>\n<h5>\u67e5\u770b\u5f53\u524d\u7f51\u7edc\u8fde\u63a5<\/h5>\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p>netstat -tuln<\/p>\n<p>\u6216&#xff1a;<\/p>\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p>ss -tuln<\/p>\n<h5>\u5bfb\u627e\u53ef\u7591\u7aef\u53e3<\/h5>\n<ul>\n<li>\u68c0\u67e5\u662f\u5426\u6709\u5f02\u5e38\u7684\u76d1\u542c\u7aef\u53e3&#xff08;\u5982 12345\u300131337 \u7b49\u5e38\u89c1\u540e\u95e8\u7aef\u53e3&#xff09;\u3002<\/li>\n<li>\u6ce8\u610f\u662f\u5426\u6709\u672a\u77e5\u7684\u5916\u90e8\u8fde\u63a5\u3002<\/li>\n<\/ul>\n<h5>\u67e5\u770b\u7f51\u7edc\u6d41\u91cf<\/h5>\n<p>\u4f7f\u7528 iftop \u6216 nload \u68c0\u67e5\u7f51\u7edc\u6d41\u91cf&#xff1a;<\/p>\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p>iftop<\/p>\n<p>&#xff08;\u9700\u5b89\u88c5&#xff1a;yum install iftop \u6216 apt install iftop&#xff09;<\/p>\n<h5>\u91cd\u70b9\u5173\u6ce8<\/h5>\n<ul>\n<li>\u662f\u5426\u6709\u5f02\u5e38\u7684\u6d41\u91cf\u6d41\u5411\u672a\u77e5 IP\u3002<\/li>\n<li>\u662f\u5426\u6709\u9690\u85cf\u7684\u76d1\u542c\u7aef\u53e3\u3002<\/li>\n<\/ul>\n<hr \/>\n<h4>6. \u68c0\u67e5\u6587\u4ef6\u7cfb\u7edf<\/h4>\n<p>\u9ed1\u5ba2\u53ef\u80fd\u4f1a\u7be1\u6539\u7cfb\u7edf\u6587\u4ef6\u6216\u4e0a\u4f20\u6076\u610f\u811a\u672c\u3002<\/p>\n<h5>\u68c0\u67e5\u6700\u8fd1\u4fee\u6539\u7684\u6587\u4ef6<\/h5>\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p>find \/ -mtime -5 2&gt;\/dev\/null<\/p>\n<p>\u6b64\u547d\u4ee4\u67e5\u627e\u6700\u8fd1 5 \u5929\u5185\u88ab\u4fee\u6539\u8fc7\u7684\u6587\u4ef6\u3002<\/p>\n<h5>\u67e5\u627e\u9690\u85cf\u6587\u4ef6<\/h5>\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p>find \/ -name &#034;.*&#034; 2&gt;\/dev\/null<\/p>\n<h5>\u68c0\u67e5\u5173\u952e\u7cfb\u7edf\u6587\u4ef6<\/h5>\n<ul>\n<li>\u68c0\u67e5 \/etc\/passwd\u3001\/etc\/shadow\u3001\/etc\/sudoers \u662f\u5426\u88ab\u4fee\u6539&#xff1a;\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p> ls -l \/etc\/passwd \/etc\/shadow \/etc\/sudoers\n <\/li>\n<\/ul>\n<h5>\u91cd\u70b9\u5173\u6ce8<\/h5>\n<ul>\n<li>\u662f\u5426\u6709\u672a\u77e5\u7684\u811a\u672c\u6216\u6587\u4ef6\u51fa\u73b0\u5728 \/tmp\u3001\/var\/tmp\u3001\/dev\/shm \u7b49\u76ee\u5f55\u3002<\/li>\n<li>\u662f\u5426\u6709\u6587\u4ef6\u88ab\u7be1\u6539\u6216\u6743\u9650\u88ab\u5f02\u5e38\u4fee\u6539\u3002<\/li>\n<\/ul>\n<hr \/>\n<h4>7. \u68c0\u67e5\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5<\/h4>\n<p>\u9ed1\u5ba2\u53ef\u80fd\u4f1a\u5229\u7528\u670d\u52a1\u5668\u8fdb\u884c\u6316\u77ff\u6216 DDoS \u653b\u51fb&#xff0c;\u5bfc\u81f4\u8d44\u6e90\u4f7f\u7528\u5f02\u5e38\u3002<\/p>\n<h5>\u67e5\u770b\u7cfb\u7edf\u8d44\u6e90<\/h5>\n<ul>\n<li>\u67e5\u770b CPU \u548c\u5185\u5b58\u4f7f\u7528\u60c5\u51b5&#xff1a;\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p> top\n <\/li>\n<li>\u4f7f\u7528 htop&#xff08;\u9700\u5b89\u88c5&#xff09;\u67e5\u770b\u8fdb\u7a0b\u7684\u5b9e\u65f6\u8d44\u6e90\u5360\u7528&#xff1a;\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p> htop\n <\/li>\n<\/ul>\n<h5>\u91cd\u70b9\u5173\u6ce8<\/h5>\n<ul>\n<li>\u662f\u5426\u6709\u5360\u7528\u5927\u91cf\u8d44\u6e90\u7684\u53ef\u7591\u8fdb\u7a0b\u3002<\/li>\n<li>\u662f\u5426\u6709\u4f2a\u88c5\u6210\u6b63\u5e38\u670d\u52a1\u7684\u6076\u610f\u7a0b\u5e8f\u3002<\/li>\n<\/ul>\n<hr \/>\n<h4>8. \u68c0\u67e5\u662f\u5426\u5b58\u5728 rootkit \u6216\u6076\u610f\u8f6f\u4ef6<\/h4>\n<p>\u4f7f\u7528\u5de5\u5177\u626b\u63cf\u662f\u5426\u5b58\u5728 rootkit \u6216\u5176\u4ed6\u6076\u610f\u7a0b\u5e8f\u3002<\/p>\n<h5>\u4f7f\u7528 rkhunter<\/h5>\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p>rkhunter &#8211;check<\/p>\n<p>&#xff08;\u9700\u5b89\u88c5&#xff1a;yum install rkhunter \u6216 apt install rkhunter&#xff09;<\/p>\n<h5>\u4f7f\u7528 chkrootkit<\/h5>\n<p>bash<\/p>\n<p>\u590d\u5236<\/p>\n<p>chkrootkit<\/p>\n<p>&#xff08;\u9700\u5b89\u88c5&#xff1a;yum install chkrootkit \u6216 apt install chkrootkit&#xff09;<\/p>\n<hr \/>\n<h3>\u4e09\u3001\u786e\u8ba4\u5165\u4fb5\u540e\u7684\u5e94\u5bf9\u63aa\u65bd<\/h3>\n<p>\u5982\u679c\u786e\u8ba4\u670d\u52a1\u5668\u88ab\u5165\u4fb5&#xff0c;\u5e94\u7acb\u5373\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd&#xff1a;<\/p>\n<li>\n<p>\u9694\u79bb\u670d\u52a1\u5668&#xff1a;<\/p>\n<ul>\n<li>\u65ad\u5f00\u670d\u52a1\u5668\u7f51\u7edc&#xff0c;\u9632\u6b62\u8fdb\u4e00\u6b65\u7684\u653b\u51fb\u6216\u6570\u636e\u6cc4\u9732\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5907\u4efd\u91cd\u8981\u6570\u636e&#xff1a;<\/p>\n<ul>\n<li>\u5728\u9694\u79bb\u540e&#xff0c;\u5c06\u91cd\u8981\u6587\u4ef6\u548c\u65e5\u5fd7\u5907\u4efd\u4ee5\u4fbf\u5206\u6790\u548c\u6062\u590d\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5206\u6790\u5165\u4fb5\u65b9\u5f0f&#xff1a;<\/p>\n<ul>\n<li>\u6536\u96c6\u65e5\u5fd7\u3001\u5f02\u5e38\u6587\u4ef6\u548c\u8fdb\u7a0b\u4fe1\u606f&#xff0c;\u5206\u6790\u9ed1\u5ba2\u7684\u5165\u4fb5\u624b\u6bb5\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6e05\u7406\u6076\u610f\u7a0b\u5e8f&#xff1a;<\/p>\n<ul>\n<li>\u5220\u9664\u6076\u610f\u6587\u4ef6\u3001\u8fdb\u7a0b\u6216\u7528\u6237\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u91cd\u65b0\u90e8\u7f72\u7cfb\u7edf&#xff1a;<\/p>\n<ul>\n<li>\u5982\u679c\u7cfb\u7edf\u88ab\u4e25\u91cd\u7834\u574f&#xff0c;\u5efa\u8bae\u91cd\u88c5\u64cd\u4f5c\u7cfb\u7edf\u5e76\u91cd\u65b0\u90e8\u7f72\u670d\u52a1\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u52a0\u5f3a\u5b89\u5168\u63aa\u65bd&#xff1a;<\/p>\n<ul>\n<li>\u4fee\u6539\u6240\u6709\u5bc6\u7801&#xff0c;\u5c24\u5176\u662f root \u548c SSH \u7528\u6237\u7684\u5bc6\u7801\u3002<\/li>\n<li>\u9650\u5236 SSH \u767b\u5f55&#xff0c;\u542f\u7528\u5bc6\u94a5\u8ba4\u8bc1\u5e76\u5173\u95ed\u5bc6\u7801\u767b\u5f55\u3002<\/li>\n<li>\u5b89\u88c5\u9632\u706b\u5899&#xff08;\u5982 iptables\u3001firewalld&#xff09;\u3002<\/li>\n<li>\u542f\u7528\u5b89\u5168\u5de5\u5177&#xff08;\u5982 Fail2Ban&#xff09;\u9632\u6b62\u66b4\u529b\u7834\u89e3\u3002<\/li>\n<\/ul>\n<\/li>\n<hr \/>\n<h3>\u56db\u3001\u603b\u7ed3<\/h3>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4&#xff0c;\u53ef\u4ee5\u5168\u9762\u6392\u67e5\u670d\u52a1\u5668\u662f\u5426\u5b58\u5728\u88ab\u5165\u4fb5\u7684\u8ff9\u8c61\u3002\u5982\u679c\u53d1\u73b0\u5f02\u5e38&#xff0c;\u5e94\u8fc5\u901f\u91c7\u53d6\u9694\u79bb\u548c\u4fee\u590d\u63aa\u65bd\u3002\u540c\u65f6&#xff0c;\u505a\u597d\u65e5\u5e38\u7684\u5b89\u5168\u9632\u62a4&#xff08;\u5982\u5b9a\u671f\u66f4\u65b0\u7cfb\u7edf\u3001\u5173\u95ed\u4e0d\u5fc5\u8981\u7684\u7aef\u53e3\u548c\u670d\u52a1\u3001\u5b9a\u671f\u5907\u4efd\u7b49&#xff09;\u4ee5\u964d\u4f4e\u88ab\u5165\u4fb5\u7684\u98ce\u9669\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb2.2k\u6b21\uff0c\u70b9\u8d5e46\u6b21\uff0c\u6536\u85cf31\u6b21\u3002\u5982\u4f55\u6392\u67e5\u670d\u52a1\u5668\u662f\u5426\u6709\u88ab\u9ed1\u5ba2\u5165\u4fb5\u7684\u8ff9\u8c61\uff1f_\u670d\u52a1\u5668\u5982\u4f55\u6392\u67e5\u88ab\u4eba\u4e32\u6539<\/p>\n","protected":false},"author":2,"featured_media":31915,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,149,43,44],"topic":[],"class_list":["post-31916","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-linux","tag-windows","tag-43","tag-44"],"yoast_head":"<!-- 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