{"id":12526,"date":"2025-04-18T19:38:02","date_gmt":"2025-04-18T11:38:02","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/12526.html"},"modified":"2025-04-18T19:38:02","modified_gmt":"2025-04-18T11:38:02","slug":"%e6%9c%8d%e5%8a%a1%e5%99%a8%e9%97%b4%e7%bd%91%e7%bb%9c%e8%bf%9e%e9%80%9a%e6%80%a7","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/12526.html","title":{"rendered":"\u670d\u52a1\u5668\u95f4\u7f51\u7edc\u8fde\u901a\u6027"},"content":{"rendered":"<h2>\u5e38\u89c1\u7684\u67e5\u770blinux\u670d\u52a1\u5668\u4e4b\u95f4\u7f51\u7edc\u8fde\u901a\u6027\u547d\u4ee4<\/h2>\n<h3>1\u3001telnet<\/h3>\n<p>telnet\u547d\u4ee4\u53ef\u4ee5\u6d4b\u8bd5TCP\/IP\u8fde\u63a5\u548c\u7aef\u53e3\u7684\u53ef\u7528\u6027 \u547d\u4ee4&#xff1a;telnet [\u76ee\u6807\u670d\u52a1\u5668IP\u5730\u5740] [\u7aef\u53e3\u53f7]<\/p>\n<p>\u4e00\u822c\u7f51\u7edc\u901a\u7545\u4f1a\u8fd4\u56de\u4e00\u4e0b\u4fe1\u606f&#xff1a;<\/p>\n<p>Trying 192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>5<span class=\"token punctuation\">.<\/span>141<span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><br \/>\nConnected to hostname <span class=\"token punctuation\">(<\/span>IP_address<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><\/p>\n<p>Escape character is <span class=\"token string\">&#039;^]&#039;<\/span><span class=\"token punctuation\">.<\/span><\/p>\n<p>\u5982\u679c\u8fd8\u8fd4\u56de\u4e86\u201cConnection closed by foreign host\u201d&#xff0c;\u8fd9\u8868\u793a\u7f51\u7edc\u8bbf\u95ee\u5173\u7cfb\u662f\u901a\u7684&#xff0c;\u4f46\u8fde\u63a5\u88ab\u8fdc\u7a0b\u4e3b\u673a\u5173\u95ed\u200c<\/p>\n<p>\u7f51\u7edc\u4e0d\u901a<\/p>\n<p>Trying 192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>5<span class=\"token punctuation\">.<\/span>141<span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><br \/>\ntelnet: Unable to connect to remote host: Connection refused<\/p>\n<h3>2\u3001ping<\/h3>\n<p>ping\u547d\u4ee4\u7528\u4e8e\u6d4b\u8bd5\u4e3b\u673a\u4e4b\u95f4\u7684\u8fde\u901a\u6027\u3002\u53ef\u4ee5\u4f7f\u7528ping\u547d\u4ee4\u5411\u8fdc\u7a0b\u4e3b\u673a\u53d1\u9001\u7f51\u7edc\u8bf7\u6c42&#xff0c;\u5e76\u63a5\u6536\u56de\u590d\u3002\u901a\u8fc7\u68c0\u67e5\u8fd4\u56de\u7684\u56de\u590d\u65f6\u95f4\u548c\u4e22\u5305\u7387&#xff0c;\u53ef\u4ee5\u5224\u65ad\u4e3b\u673a\u662f\u5426\u53ef\u8fbe\u4ee5\u53ca\u7f51\u7edc\u8fde\u63a5\u662f\u5426\u6b63\u5e38 \u200c\u547d\u4ee4&#xff1a;ping [IP\u5730\u5740]<\/p>\n<p>\u4e00\u822cping\u901a\u7684\u60c5\u51b5&#xff1a;<\/p>\n<p>PING 192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>120<span class=\"token punctuation\">.<\/span>201 <span class=\"token punctuation\">(<\/span>192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>120<span class=\"token punctuation\">.<\/span>201<span class=\"token punctuation\">)<\/span> 56<span class=\"token punctuation\">(<\/span>84<span class=\"token punctuation\">)<\/span> bytes of <span class=\"token keyword\">data<\/span><span class=\"token punctuation\">.<\/span><br \/>\n64 bytes <span class=\"token keyword\">from<\/span> 192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>120<span class=\"token punctuation\">.<\/span>201: icmp_seq&#061;1 ttl&#061;64 time&#061;0<span class=\"token punctuation\">.<\/span>309 ms<br \/>\n64 bytes <span class=\"token keyword\">from<\/span> 192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>120<span class=\"token punctuation\">.<\/span>201: icmp_seq&#061;2 ttl&#061;64 time&#061;0<span class=\"token punctuation\">.<\/span>253 ms<\/p>\n<p>\u4e00\u822cping\u4e0d\u901a\u7684\u60c5\u51b5&#xff1a;<\/p>\n<p>PING 192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>5<span class=\"token punctuation\">.<\/span>141 <span class=\"token punctuation\">(<\/span>192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>5<span class=\"token punctuation\">.<\/span>141<span class=\"token punctuation\">)<\/span> 56<span class=\"token punctuation\">(<\/span>84<span class=\"token punctuation\">)<\/span> bytes of <span class=\"token keyword\">data<\/span><span class=\"token punctuation\">.<\/span><br \/>\n<span class=\"token keyword\">From<\/span> 192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>5<span class=\"token punctuation\">.<\/span>49 icmp_seq&#061;1 Destination Host Unreachable<br \/>\n<span class=\"token keyword\">From<\/span> 192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>5<span class=\"token punctuation\">.<\/span>49 icmp_seq&#061;2 Destination Host Unreachable<br \/>\n<span class=\"token keyword\">From<\/span> 192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>5<span class=\"token punctuation\">.<\/span>49 icmp_seq&#061;3 Destination Host Unreachable<\/p>\n<h3>3\u3001curl<\/h3>\n<p>curl\u547d\u4ee4\u53ef\u4ee5\u6d4b\u8bd5\u7f51\u7edc\u8fde\u901a\u6027&#xff0c;\u4e3b\u8981\u7528\u4e8e\u53d1\u51fa\u7f51\u7edc\u8bf7\u6c42\u5e76\u83b7\u53d6\u6570\u636e&#xff0c;\u7136\u540e\u663e\u793a\u5728\u6807\u51c6\u8f93\u51fa\u4e0a \u547d\u4ee4&#xff1a;curl -v [\u76ee\u6807\u670d\u52a1\u5668IP\u5730\u5740]:[\u7aef\u53e3\u53f7]<\/p>\n<p>\u7f51\u7edc\u8fde\u901a\u7684\u60c5\u51b5&#xff1a;<\/p>\n<p><span class=\"token operator\">*<\/span> Rebuilt URL to: 192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>5<span class=\"token punctuation\">.<\/span>141:8848\/<br \/>\n<span class=\"token operator\">*<\/span>   Trying 192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>5<span class=\"token punctuation\">.<\/span>141<span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><br \/>\n<span class=\"token operator\">*<\/span> TCP_NODELAY <span class=\"token function\">set<\/span><br \/>\n<span class=\"token operator\">*<\/span> Connected to 192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>5<span class=\"token punctuation\">.<\/span>141 <span class=\"token punctuation\">(<\/span>192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>5<span class=\"token punctuation\">.<\/span>141<span class=\"token punctuation\">)<\/span> port 8848 <span class=\"token punctuation\">(<\/span><span class=\"token comment\">#0)<\/span><br \/>\n&gt; GET <span class=\"token operator\">\/<\/span> HTTP\/1<span class=\"token punctuation\">.<\/span>1<br \/>\n&gt; Host: 192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>5<span class=\"token punctuation\">.<\/span>141:8848<br \/>\n&gt; User-Agent: curl\/7<span class=\"token punctuation\">.<\/span>58<span class=\"token punctuation\">.<\/span>0<br \/>\n&gt; Accept: <span class=\"token operator\">*<\/span><span class=\"token operator\">\/<\/span><span class=\"token operator\">*<\/span><br \/>\n&gt;<br \/>\n&lt; HTTP\/1<span class=\"token punctuation\">.<\/span>1 404<br \/>\n&lt; Content-<span class=\"token function\">Type<\/span>: text\/html<span class=\"token punctuation\">;<\/span>charset&#061;utf-8<br \/>\n&lt; Content-Language: en<br \/>\n&lt; Content-Length: 431<br \/>\n&lt; Date: Tue<span class=\"token punctuation\">,<\/span> 03 Dec 2024 06:44:44 GMT<br \/>\n&lt;<br \/>\n<span class=\"token operator\">*<\/span> Connection <span class=\"token comment\">#0 to host 192.168.5.141 left intact<\/span><\/p>\n<p>Connected to 192.168.5.141 (192.168.5.141) port 8848 (#0) \u8868\u793acurl\u6210\u529f\u8fde\u63a5\u5230\u6307\u5b9a\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\u3002 http\u8fd4\u56de\u7684404&#xff1b;\u53ea\u80fd\u8bf4\u660e\u670d\u52a1\u5668\u65e0\u6cd5\u627e\u5230\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u8d44\u6e90&#xff0c;\u800c\u4e0d\u80fd\u4ee3\u8868\u7f51\u7edc\u4e0d\u901a<\/p>\n<p>\u7f51\u7edc\u4e0d\u901a\u7684\u60c5\u51b5<\/p>\n<p><span class=\"token operator\">*<\/span> Rebuilt URL to: 192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>5<span class=\"token punctuation\">.<\/span>141:8848\/<br \/>\n<span class=\"token operator\">*<\/span>   Trying 192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>5<span class=\"token punctuation\">.<\/span>141<span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><br \/>\n<span class=\"token operator\">*<\/span> TCP_NODELAY <span class=\"token function\">set<\/span><br \/>\n<span class=\"token operator\">*<\/span> connect to 192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>5<span class=\"token punctuation\">.<\/span>141 port 8848 failed: Connection timed out<br \/>\n<span class=\"token operator\">*<\/span> Failed to connect to 192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>5<span class=\"token punctuation\">.<\/span>141 port 8848: Connection timed out<br \/>\n<span class=\"token operator\">*<\/span> Closing connection 0<br \/>\ncurl: <span class=\"token punctuation\">(<\/span>7<span class=\"token punctuation\">)<\/span> Failed to connect to 192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>5<span class=\"token punctuation\">.<\/span>141 port 8848: Connection timed out<\/p>\n<p>\u5982\u679c\u662f\u201cConnection timed out\u201d&#xff0c;\u5219\u9700\u8981\u68c0\u67e5\u7f51\u7edc\u5ef6\u8fdf\u6216\u8005\u662f\u5426\u5b58\u5728\u7f51\u7edc\u8bbe\u5907&#xff08;\u5982\u8def\u7531\u5668\u6216\u9632\u706b\u5899&#xff09;\u963b\u6b62\u4e86\u8fde\u63a5 \u5982\u679c\u662f\u201cConnection refused\u201d&#xff0c;\u5219\u9700\u8981\u68c0\u67e5\u670d\u52a1\u5668\u7aef\u7684\u670d\u52a1\u662f\u5426\u6b63\u5728\u8fd0\u884c&#xff0c;\u6216\u8005\u9632\u706b\u5899\u8bbe\u7f6e\u662f\u5426\u6b63\u786e<\/p>\n<h3>\u200b4\u3001nc<\/h3>\n<p>nc\u547d\u4ee4\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u7f51\u7edc\u5de5\u5177&#xff0c;\u7528\u4e8e\u68c0\u67e5\u548c\u6d4b\u8bd5\u7f51\u7edc\u8fde\u63a5\u3002 \u547d\u4ee4&#xff1a;nc -zv [\u76ee\u6807IP] [\u7aef\u53e3\u53f7] -z&#xff1a;\u53c2\u6570\u544a\u8bc9 nc \u547d\u4ee4\u53ea\u626b\u63cf\u76d1\u542c\u7aef\u53e3 -v&#xff1a;\u8f93\u51fa\u4ea4\u4e92\u6216\u51fa\u9519\u4fe1\u606f<\/p>\n<p>\u7f51\u7edc\u8fde\u901a\u7684\u60c5\u51b5\u4e0b<\/p>\n<p>Connection to 192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>5<span class=\"token punctuation\">.<\/span>141 8848 port <span class=\"token namespace\">[tcp\/*]<\/span> succeeded!<\/p>\n<p>\u7f51\u7edc\u4e0d\u901a<\/p>\n<p>nc: connect to 192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>5<span class=\"token punctuation\">.<\/span>141 port 80 <span class=\"token punctuation\">(<\/span>tcp<span class=\"token punctuation\">)<\/span> failed: Connection timed out<\/p>\n<h3>5\u3001nmap<\/h3>\n<p>nmap\u547d\u4ee4\u7528\u4e8e\u7f51\u7edc\u626b\u63cf\u548c\u5b89\u5168\u5ba1\u8ba1\u7684\u5de5\u5177&#xff0c;\u53ef\u4ee5\u68c0\u67e5\u4e3b\u673a\u7684\u5f00\u653e\u7aef\u53e3\u548c\u670d\u52a1<\/p>\n<p>\u547d\u4ee4&#xff1a;nmap -p [\u7aef\u53e3\u53f7] [\u76ee\u6807IP\u5730\u5740]<\/p>\n<p>\u4e00\u822c\u7f51\u7edc\u901a\u65f6\u8fd4\u56de&#xff1a;<\/p>\n<p>Starting Nmap 7<span class=\"token punctuation\">.<\/span>91 <span class=\"token punctuation\">(<\/span> https:<span class=\"token operator\">\/<\/span><span class=\"token operator\">\/<\/span>nmap<span class=\"token punctuation\">.<\/span>org <span class=\"token punctuation\">)<\/span> at 2024-12-04 10:00 CST<br \/>\nNmap scan report <span class=\"token keyword\">for<\/span> 192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>5<span class=\"token punctuation\">.<\/span>141<br \/>\nHost is up <span class=\"token punctuation\">(<\/span>0<span class=\"token punctuation\">.<\/span>00020s latency<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><\/p>\n<p>PORT   STATE SERVICE<br \/>\n8080\/tcp open  http<\/p>\n<p>Nmap done: 1 IP address <span class=\"token punctuation\">(<\/span>1 host up<span class=\"token punctuation\">)<\/span> scanned in 0<span class=\"token punctuation\">.<\/span>04 seconds<\/p>\n<p>\u4e00\u822c\u7f51\u7edc\u4e0d\u901a\u65f6&#xff1a;<\/p>\n<p>Starting Nmap 7<span class=\"token punctuation\">.<\/span>91 <span class=\"token punctuation\">(<\/span> https:<span class=\"token operator\">\/<\/span><span class=\"token operator\">\/<\/span>nmap<span class=\"token punctuation\">.<\/span>org <span class=\"token punctuation\">)<\/span> at 2024-12-04 10:01 CST<br \/>\nNmap scan report <span class=\"token keyword\">for<\/span> 192<span class=\"token punctuation\">.<\/span>168<span class=\"token punctuation\">.<\/span>5<span class=\"token punctuation\">.<\/span>141<br \/>\nHost is up <span class=\"token punctuation\">(<\/span>0<span class=\"token punctuation\">.<\/span>00025s latency<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><\/p>\n<p>PORT   STATE    SERVICE<br \/>\n8080\/tcp closed   http<\/p>\n<p>Nmap done: 1 IP address <span class=\"token punctuation\">(<\/span>1 host up<span class=\"token punctuation\">)<\/span> scanned in 0<span class=\"token punctuation\">.<\/span>04 seconds<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1k\u6b21\uff0c\u70b9\u8d5e18\u6b21\uff0c\u6536\u85cf4\u6b21\u3002telnet\u547d\u4ee4\u53ef\u4ee5\u6d4b\u8bd5TCP\/IP\u8fde\u63a5\u548c\u7aef\u53e3\u7684\u53ef\u7528\u6027\u547d\u4ee4\uff1atelnet [\u76ee\u6807\u670d\u52a1\u5668IP\u5730\u5740] [\u7aef\u53e3\u53f7]\u5982\u679c\u8fd8\u8fd4\u56de\u4e86\u201cConnection closed by foreign host\u201d\uff0c\u8fd9\u8868\u793a\u7f51\u7edc\u8bbf\u95ee\u5173\u7cfb\u662f\u901a\u7684\uff0c\u4f46\u8fde\u63a5\u88ab\u8fdc\u7a0b\u4e3b\u673a\u5173\u95ed\u200c\u7f51\u7edc\u4e0d\u901a\u3002_\u67e5\u770b\u4e24\u53f0\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u8fde\u901a\u6027<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,43,78],"topic":[],"class_list":["post-12526","post","type-post","status-publish","format-standard","hentry","category-server","tag-linux","tag-43","tag-78"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u670d\u52a1\u5668\u95f4\u7f51\u7edc\u8fde\u901a\u6027 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/12526.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u670d\u52a1\u5668\u95f4\u7f51\u7edc\u8fde\u901a\u6027 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1k\u6b21\uff0c\u70b9\u8d5e18\u6b21\uff0c\u6536\u85cf4\u6b21\u3002telnet\u547d\u4ee4\u53ef\u4ee5\u6d4b\u8bd5TCP\/IP\u8fde\u63a5\u548c\u7aef\u53e3\u7684\u53ef\u7528\u6027\u547d\u4ee4\uff1atelnet [\u76ee\u6807\u670d\u52a1\u5668IP\u5730\u5740] [\u7aef\u53e3\u53f7]\u5982\u679c\u8fd8\u8fd4\u56de\u4e86\u201cConnection closed by foreign 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