{"id":27810,"date":"2024-08-04T03:47:42","date_gmt":"2024-08-04T08:47:42","guid":{"rendered":"https:\/\/www.dotcom-monitor.com\/%e4%bd%bf%e7%94%a8%e7%bd%91%e7%bb%9c%e7%9b%91%e8%a7%86%e5%99%a8%e5%ad%a6%e4%b9%a0\/%e6%9c%af%e8%af%ad%e8%a1%a8\/%e4%bb%80%e4%b9%88%e6%98%af-tcp-%e7%ab%af%e5%8f%a3%ef%bc%9f\/"},"modified":"2026-06-01T21:13:38","modified_gmt":"2026-06-02T02:13:38","slug":"%e4%bb%80%e4%b9%88%e6%98%af-tcp-%e7%ab%af%e5%8f%a3%ef%bc%9f","status":"publish","type":"page","link":"https:\/\/www.dotcom-monitor.com\/zh-hans\/%e4%bd%bf%e7%94%a8%e7%bd%91%e7%bb%9c%e7%9b%91%e8%a7%86%e5%99%a8%e5%ad%a6%e4%b9%a0\/%e6%9c%af%e8%af%ad%e8%a1%a8\/%e4%bb%80%e4%b9%88%e6%98%af-tcp-%e7%ab%af%e5%8f%a3%ef%bc%9f\/","title":{"rendered":"\u4ec0\u4e48\u662f TCP \u7aef\u53e3\uff1f"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"27810\" class=\"elementor elementor-27810 elementor-27343\" data-elementor-settings=\"{&quot;ha_cmc_init_switcher&quot;:&quot;no&quot;}\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f1ef870 e-flex e-con-boxed e-con e-parent\" data-id=\"f1ef870\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0698432 elementor-mobile-align-center elementor-align-center elementor-widget elementor-widget-breadcrumbs\" data-id=\"0698432\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"breadcrumbs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span><span class=\"last\">Home<\/span><\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-86c6f8d elementor-widget elementor-widget-heading\" data-id=\"86c6f8d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 id='\u4ec0\u4e48\u662f-tcp-\u7aef\u53e3'  id=\"boomdevs_1\" class=\"elementor-heading-title elementor-size-default\">\u4ec0\u4e48\u662f TCP \u7aef\u53e3\uff1f<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ef81331 e-flex e-con-boxed e-con e-parent\" data-id=\"ef81331\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-f58b6ed e-con-full e-flex e-con e-child\" data-id=\"f58b6ed\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e8cb898 elementor-widget elementor-widget-text-editor\" data-id=\"e8cb898\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u6700\u540e\u66f4\u65b0\uff1a2024\u5e7410\u670816\u65e5<\/p><h2 id='\u4ec0\u4e48\u662f-tcp-\u7aef\u53e3-1'  id=\"boomdevs_2\">\u4ec0\u4e48\u662f TCP \u7aef\u53e3\uff1f<\/h2><p>TCP \u7aef\u53e3\u662f\u6570\u636e\u5982\u4f55\u5728\u8ba1\u7b97\u673a\u7f51\u7edc\u4e2d\u6d41\u52a8\u7684\u5173\u952e\u90e8\u5206\uff0c\u4f5c\u4e3a\u7ec8\u7aef\u70b9\uff0c\u4fc3\u8fdb\u8bbe\u5907\u548c\u5e94\u7528\u4e4b\u95f4\u7684\u901a\u4fe1\u3002TCP \u7aef\u53e3\u5728 TCP\/IP \u6a21\u578b\u4e2d\u8fd0\u884c\uff0c\u662f\u5927\u591a\u6570\u73b0\u4ee3\u7f51\u7edc\u7684\u9aa8\u5e72\uff0c\u5e2e\u52a9\u786e\u4fdd\u6570\u636e\u5305\u88ab\u5b9a\u5411\u5230\u7ed9\u5b9a\u8bbe\u5907\u4e0a\u7684\u76f8\u5e94\u5e94\u7528\u7a0b\u5e8f\u3002<\/p><p>\u5f53\u6570\u636e\u901a\u8fc7\u7f51\u7edc\u4f20\u8f93\u65f6\uff0c\u5b83\u88ab\u5206\u5272\u6210\u6570\u636e\u5305\u3002\u6bcf\u4e2a\u6570\u636e\u5305\u5305\u542b\u5934\u90e8\u4fe1\u606f\uff0c\u5305\u62ec\u6e90 IP \u5730\u5740\u548c\u76ee\u6807 IP \u5730\u5740\u4ee5\u53ca\u6e90\u7aef\u53e3\u53f7\u548c\u76ee\u6807\u7aef\u53e3\u53f7\u3002\u8fd9\u53d1\u751f\u5728\u4f20\u8f93\u5c42\uff0c\u8d1f\u8d23\u7ba1\u7406\u6570\u636e\u6d41\u3002<\/p><ul><li>\u6e90\u7aef\u53e3\uff1a\u7531\u64cd\u4f5c\u7cfb\u7edf\u968f\u673a\u5206\u914d\u7ed9\u53d1\u9001\u5e94\u7528\u7a0b\u5e8f\u7684\u7aef\u53e3\u53f7\uff08\u4ecb\u4e8e1024\u81f365535\u4e4b\u95f4\uff09\u3002<\/li><li>\u76ee\u6807\u7aef\u53e3\uff1a\u9884\u5b9a\u4e49\u7684\u7aef\u53e3\u53f7\uff0c\u5bf9\u5e94\u4e8e\u63a5\u6536\u670d\u52a1\u6216\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f8b\u5982 HTTP \u7684\u7aef\u53e3 80 \u6216 HTTPS \u7684\u7aef\u53e3443\u3002<\/li><\/ul><p>\u7ed3\u5408 IP \u5730\u5740\u548c TCP \u7aef\u53e3\u53f7\u786e\u4fdd\u6570\u636e\u5230\u8fbe\u6b63\u786e\u7684\u5e94\u7528\u7a0b\u5e8f\u6216\u670d\u52a1\uff0c\u5b9e\u73b0\u8bbe\u5907\u4e4b\u95f4\u53ef\u9760\u7684\u901a\u4fe1\uff0c\u8fd9\u662f\u6709\u6548\u7684<a href=\"https:\/\/www.dotcom-monitor.com\/products\/web-api-monitoring\/rest-api-monitoring\/\">RESTful API \u76d1\u63a7<\/a>\u7684\u91cd\u8981\u57fa\u7840\uff0c\u5176\u4e2d\u53ef\u7528\u6027\u3001\u8fde\u901a\u6027\u548c\u4f20\u8f93\u5c42\u7684\u53ef\u9760\u6027\u76f4\u63a5\u5f71\u54cd\u7aef\u70b9\u6027\u80fd\u3002<\/p><h2 id='tcp-\u7aef\u53e3\u7684\u7c7b\u578b'  id=\"boomdevs_3\">TCP \u7aef\u53e3\u7684\u7c7b\u578b<\/h2><p>TCP \u7aef\u53e3\u5206\u4e3a\u4e09\u79cd\u8303\u56f4\uff1a<\/p><ol><li><strong>\u77e5\u540d\u7aef\u53e3 (0-1023)\uff1a<\/strong> \u8fd9\u4e9b\u7aef\u53e3\u4fdd\u7559\u7ed9\u5e38\u89c1\u670d\u52a1\u548c\u5e94\u7528\uff0c\u5982 HTTP (80)\u3001HTTPS (443)\u3001FTP (21) \u53ca SMTP (25)\u3002<\/li><li><strong>\u6ce8\u518c\u7aef\u53e3 (1024-49151)\uff1a<\/strong> \u7531\u4e92\u8054\u7f51\u6570\u5b57\u5206\u914d\u5c40 (IANA) \u5206\u914d\u7ed9\u7279\u5b9a\u670d\u52a1\u548c\u5e94\u7528\uff0c\u9632\u6b62\u5e94\u7528\u95f4\u51b2\u7a81\u3002<\/li><li><strong>\u52a8\u6001\u6216\u79c1\u6709\u7aef\u53e3 (49152-65535)\uff1a<\/strong> \u5ba2\u6237\u7aef\u5e94\u7528\u901a\u5e38\u7528\u8fd9\u4e9b\u7aef\u53e3\u8fdb\u884c\u4e34\u65f6\u901a\u4fe1\uff0c\u7531\u64cd\u4f5c\u7cfb\u7edf\u52a8\u6001\u5206\u914d\u3002<\/li><\/ol><h2 id='\u5e38\u89c1-tcp-\u7aef\u53e3\u53ca\u5176\u7528\u9014'  id=\"boomdevs_4\">\u5e38\u89c1 TCP \u7aef\u53e3\u53ca\u5176\u7528\u9014<\/h2><ul><li><strong>\u7aef\u53e3 20 \u548c 21 (FTP)\uff1a<\/strong> \u7528\u4e8e\u6587\u4ef6\u4f20\u8f93\u534f\u8bae\uff0c\u7aef\u53e320\u4f20\u8f93\u6570\u636e\uff0c\u7aef\u53e321\u4f20\u8f93\u63a7\u5236\u547d\u4ee4\u3002<\/li><li><strong>\u7aef\u53e3 22 (SSH)\uff1a<\/strong> \u5b89\u5168\u5916\u58f3\u534f\u8bae\uff0c\u7528\u4e8e\u5b89\u5168\u8fdc\u7a0b\u767b\u5f55\u53ca\u5176\u4ed6\u5b89\u5168\u7f51\u7edc\u670d\u52a1\u3002<\/li><li><strong>\u7aef\u53e3 23 (Telnet)\uff1a<\/strong> \u901a\u8fc7\u547d\u4ee4\u9a71\u52a8\u63a5\u53e3\u8fdb\u884c\u8fdc\u7a0b\u767b\u5f55\u4f1a\u8bdd\u548c\u8ba4\u8bc1\u3002<\/li><li><strong>\u7aef\u53e3 25 (SMTP)\uff1a<\/strong> \u7b80\u5355\u90ae\u4ef6\u4f20\u8f93\u534f\u8bae\uff0c\u7528\u4e8e\u53d1\u9001\u90ae\u4ef6\u3002<\/li><li><strong>\u7aef\u53e3 53 (DNS)\uff1a<\/strong> \u57df\u540d\u7cfb\u7edf\uff0c\u5c06\u57df\u540d\u8f6c\u6362\u4e3a IP \u5730\u5740\u3002<\/li><li><strong>\u7aef\u53e3 80 (HTTP)\uff1a<\/strong> \u8d85\u6587\u672c\u4f20\u8f93\u534f\u8bae\uff0c\u7528\u4e8e\u7f51\u9875\u4f20\u8f93\u3002<\/li><li><strong>\u7aef\u53e3 110 (POP3)\uff1a<\/strong> \u90ae\u5c40\u534f\u8bae\u7248\u672c3\uff0c\u90ae\u4ef6\u5ba2\u6237\u7aef\u5e94\u7528\u4ece\u670d\u52a1\u5668\u83b7\u53d6\u90ae\u4ef6\u3002<\/li><li><strong>\u7aef\u53e3 143 (IMAP)\uff1a<\/strong> \u4e92\u8054\u7f51\u90ae\u4ef6\u8bbf\u95ee\u534f\u8bae\uff0c\u4ece\u90ae\u4ef6\u670d\u52a1\u5668\u68c0\u7d22\u90ae\u4ef6\u3002<\/li><li><strong>\u7aef\u53e3 443 (HTTPS)\uff1a<\/strong> \u5b89\u5168 HTTP\uff0c\u7528\u4e8e\u5b89\u5168\u7f51\u9875\u4f20\u8f93\uff0c\u901a\u5e38\u6d89\u53ca<a href=\"https:\/\/www.dotcom-monitor.com\/learn\/glossary\/what-are-ssl-certificates\/\">SSL \u548c TLS<\/a>\u3002<\/li><li><strong>\u7aef\u53e3 993 (IMAPS)\uff1a<\/strong> \u4f7f\u7528 SSL\/TLS \u7684\u5b89\u5168 IMAP\uff0c\u7528\u4e8e\u5b89\u5168\u90ae\u4ef6\u83b7\u53d6\u3002<\/li><li><strong>\u7aef\u53e3 995 (POP3S)\uff1a<\/strong> \u4f7f\u7528 SSL\/TLS \u7684\u5b89\u5168 POP3\uff0c\u7528\u4e8e\u5b89\u5168\u90ae\u4ef6\u83b7\u53d6\u3002<\/li><\/ul><h2 id='tcp-\u7aef\u53e3\u5728\u7f51\u7edc\u8bbe\u5907\u4e2d\u7684\u4f5c\u7528'  id=\"boomdevs_5\">TCP \u7aef\u53e3\u5728\u7f51\u7edc\u8bbe\u5907\u4e2d\u7684\u4f5c\u7528<\/h2><p>\u8def\u7531\u5668\u548c\u5176\u4ed6\u7f51\u7edc\u8bbe\u5907\u5229\u7528 TCP \u7aef\u53e3\u6765\u7ba1\u7406\u548c\u5b9a\u5411\u6d41\u91cf\u3002\u8fd9\u4e9b\u8bbe\u5907\u901a\u5e38\u4f7f\u7528 NAT\uff08\u7f51\u7edc\u5730\u5740\u8f6c\u6362\uff09\u5c06\u79c1\u6709 IP \u5730\u5740\u6620\u5c04\u5230\u5355\u4e2a\u516c\u5171 IP \u5730\u5740\uff0c\u8282\u7701\u5168\u7403 IP \u5730\u5740\u7a7a\u95f4\u5e76\u63d0\u4f9b\u5b89\u5168\u6027\u3002\u50cf Netstat \u8fd9\u6837\u7684\u7f51\u7edc\u5de5\u5177\u80fd\u591f\u76d1\u63a7\u548c\u6545\u969c\u6392\u9664\u8bbe\u5907\u4e0a\u7684\u6d3b\u52a8\u8fde\u63a5\u548c\u7aef\u53e3\u3002<\/p><h2 id='tcp-\u7aef\u53e3\u4e0e\u5176\u4ed6\u534f\u8bae'  id=\"boomdevs_6\">TCP \u7aef\u53e3\u4e0e\u5176\u4ed6\u534f\u8bae<\/h2><p>TCP \u7aef\u53e3\u662f\u7ba1\u7406\u7f51\u7edc\u901a\u4fe1\u534f\u8bae\u5957\u4ef6\u7684\u4e00\u90e8\u5206\uff0c\u8fd9\u4e9b\u534f\u8bae\u5305\u62ec\uff1a<\/p><ul><li><strong>UDP (\u7528\u6237\u6570\u636e\u62a5\u534f\u8bae)\uff1a<\/strong> \u4e0d\u540c\u4e8e TCP\uff0cUDP \u662f\u65e0\u8fde\u63a5\u7684\uff0c\u4e0d\u4fdd\u8bc1\u4ea4\u4ed8\u3001\u987a\u5e8f\u6216\u9519\u8bef\u68c0\u67e5\u3002\u6807\u51c6 UDP \u7aef\u53e3\u5305\u62ec\uff1a<ul><li><strong>\u7aef\u53e3 53 (DNS)\uff1a<\/strong> DNS \u4e5f\u901a\u8fc7 UDP \u64cd\u4f5c\uff0c\u4ee5\u5b9e\u73b0\u66f4\u5feb\u66f4\u7b80\u5355\u7684\u67e5\u8be2\u3002<\/li><li><strong>\u7aef\u53e3 123 (NTP)\uff1a<\/strong> \u7f51\u7edc\u65f6\u95f4\u534f\u8bae\uff0c\u7528\u4e8e\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e4b\u95f4\u7684\u65f6\u949f\u540c\u6b65\u3002<\/li><li><strong>\u7aef\u53e3 161 (SNMP)\uff1a<\/strong> \u7b80\u5355\u7f51\u7edc\u7ba1\u7406\u534f\u8bae\uff0c\u7528\u4e8e\u7f51\u7edc\u7ba1\u7406\u3002<\/li><\/ul><\/li><\/ul><h2 id='tcp-\u7aef\u53e3\u5728\u7f51\u7edc\u5b89\u5168\u4e2d\u7684\u91cd\u8981\u6027'  id=\"boomdevs_7\">TCP \u7aef\u53e3\u5728\u7f51\u7edc\u5b89\u5168\u4e2d\u7684\u91cd\u8981\u6027<\/h2><p>TCP \u7aef\u53e3\u5bf9\u7f51\u7edc\u5b89\u5168\u81f3\u5173\u91cd\u8981\u3002\u786e\u5b9a\u54ea\u4e9b\u7aef\u53e3\u5f00\u653e\u4ee5\u53ca\u4e3a\u4f55\u5f00\u653e\u662f\u4fdd\u969c\u7f51\u7edc\u5b89\u5168\u7684\u57fa\u7840\u3002\u672a\u7ecf\u6388\u6743\u8bbf\u95ee\u5f00\u653e\u7aef\u53e3\u53ef\u80fd\u5bfc\u81f4\u5b89\u5168\u6f0f\u6d1e\u3002\u56e0\u6b64\uff0c\u7f51\u7edc\u7ba1\u7406\u5458\u5e38\u4f7f\u7528\u9632\u706b\u5899\u548c\u5165\u4fb5\u68c0\u6d4b\u7cfb\u7edf\u6765\u7ba1\u7406\u3001\u76d1\u63a7\u548c\u63a7\u5236\u5bf9 TCP \u7aef\u53e3\u7684\u8bbf\u95ee\u3002<\/p><h2 id='\u5173\u95ed\u548c\u76d1\u63a7-tcp-\u7aef\u53e3'  id=\"boomdevs_8\">\u5173\u95ed\u548c\u76d1\u63a7 TCP \u7aef\u53e3<\/h2><ul><li><strong>\u9632\u706b\u5899\uff1a<\/strong> \u9632\u706b\u5899\u963b\u6b62\u5bf9\u7279\u5b9a\u7aef\u53e3\u7684\u672a\u7ecf\u6388\u6743\u8bbf\u95ee\u3002\u914d\u7f6e\u9632\u706b\u5899\u5173\u95ed\u4e0d\u5fc5\u8981\u7684\u7aef\u53e3\u53ef\u4ee5\u51cf\u5c11\u7f51\u7edc\u653b\u51fb\u9762\u3002<\/li><li><strong>\u7aef\u53e3\u626b\u63cf\uff1a<\/strong> \u4f7f\u7528\u5982 Nmap \u4e4b\u7c7b\u7684\u5de5\u5177\u626b\u63cf\u5f00\u653e\u7aef\u53e3\uff0c\u5e2e\u52a9\u7ba1\u7406\u5458\u8bc6\u522b\u6f5c\u5728\u5b89\u5168\u6f0f\u6d1e\u3002<\/li><li><strong>\u7f51\u7edc\u76d1\u63a7\uff1a<\/strong> <a href=\"https:\/\/www.dotcom-monitor.com\/learn\/glossary\/what-is-web-application-monitoring\/\">\u6301\u7eed\u76d1\u63a7<\/a>\u7f51\u7edc\u6d41\u91cf\u548c\u7aef\u53e3\u4f7f\u7528\u60c5\u51b5\uff0c\u5e2e\u52a9\u68c0\u6d4b\u548c\u51cf\u8f7b\u5f02\u5e38\u6216\u6076\u610f\u6d3b\u52a8\u3002<\/li><\/ul><h2 id='\u5176\u4ed6\u534f\u8bae\u548c\u6807\u51c6'  id=\"boomdevs_9\">\u5176\u4ed6\u534f\u8bae\u548c\u6807\u51c6<\/h2><ul><li><strong>IMAP\uff1a<\/strong> \u4e92\u8054\u7f51\u90ae\u4ef6\u8bbf\u95ee\u534f\u8bae (IMAP) \u5141\u8bb8\u90ae\u4ef6\u5ba2\u6237\u7aef\u5e94\u7528\u4ece\u90ae\u4ef6\u670d\u52a1\u5668\u68c0\u7d22\u90ae\u4ef6\u3002<\/li><li><strong>RFC\uff08\u8bf7\u6c42\u8bc4\u8bba\uff09\uff1a<\/strong> RFC \u662f\u63cf\u8ff0\u4e92\u8054\u7f51\u89c4\u8303\u3001\u534f\u8bae\u3001\u7a0b\u5e8f\u548c\u653f\u7b56\u7684\u6587\u6863\u3002<\/li><\/ul><h2 id='\u4e0e\u5176\u4ed6\u7f51\u7edc\u5143\u7d20\u7684\u96c6\u6210'  id=\"boomdevs_10\">\u4e0e\u5176\u4ed6\u7f51\u7edc\u5143\u7d20\u7684\u96c6\u6210<\/h2><ul><li><strong>Web \u670d\u52a1\u5668\uff1a<\/strong> TCP \u7aef\u53e3\u5728 Web \u670d\u52a1\u5668\u4e2d\u81f3\u5173\u91cd\u8981\uff0c\u7528\u4e8e\u5c06\u4f20\u5165\u7684 Web \u6d41\u91cf\u5b9a\u5411\u5230\u6b63\u786e\u7684\u5e94\u7528\u7a0b\u5e8f\u6216\u670d\u52a1\u3002<\/li><li><strong>Web \u6d4f\u89c8\u5668\uff1a<\/strong> \u5f53\u60a8\u5728<a href=\"https:\/\/www.dotcom-monitor.com\/learn\/glossary\/browser-scripts\/\">Web \u6d4f\u89c8\u5668<\/a>\u4e2d\u8f93\u5165 URL \u65f6\uff0c\u5b83\u4f1a\u4f7f\u7528 TCP\/IP \u6a21\u578b\u901a\u8fc7\u76f8\u5e94\u7aef\u53e3\u8fde\u63a5\u5230 Web \u670d\u52a1\u5668\u3002<\/li><li><strong>VPN\uff08\u865a\u62df\u4e13\u7528\u7f51\u7edc\uff09\uff1a<\/strong> VPN \u4f7f\u7528 TCP \u7aef\u53e3\u5efa\u7acb\u5b89\u5168\u8fde\u63a5\uff0c\u786e\u4fdd\u5728\u516c\u5171\u7f51\u7edc\u4e0a\u7684\u52a0\u5bc6\u901a\u4fe1\u3002<\/li><li><strong>\u7ec8\u7aef\u5b89\u5168\uff1a<\/strong> \u786e\u4fdd\u6240\u6709\u7ec8\u7aef\uff08\u5982\u670d\u52a1\u5668\u548c\u7528\u6237\u8bbe\u5907\uff09\u5bf9\u5f00\u653e\u7aef\u53e3\u7684\u5b89\u5168\u914d\u7f6e\u5bf9\u4e8e\u6574\u4f53\u7f51\u7edc\u5b89\u5168\u81f3\u5173\u91cd\u8981\u3002<\/li><li><strong>\u4e3b\u673a\u540d\u89e3\u6790\uff1a<\/strong> TCP \u7aef\u53e3\u4e0e\u4e3b\u673a\u540d\u89e3\u6790\u534f\u4f5c\uff0c\u901a\u8fc7 DNS \u5c06\u4eba\u7c7b\u53ef\u8bfb\u7684\u57df\u540d\u8f6c\u6362\u4e3a IP \u5730\u5740\u3002<\/li><\/ul><h2 id='\u5b9e\u65f6\u5e94\u7528'  id=\"boomdevs_11\">\u5b9e\u65f6\u5e94\u7528<\/h2><p>\u5b9e\u65f6\u901a\u4fe1\uff1aTCP \u7aef\u53e3\u5bf9\u4e8e\u89c6\u9891\u4f1a\u8bae\u3001<a href=\"\/products\/voip-monitoring\/\">VoIP<\/a>\u548c\u5728\u7ebf\u6e38\u620f\u7b49\u5b9e\u65f6\u5e94\u7528\u81f3\u5173\u91cd\u8981\uff0c\u8fd9\u4e9b\u5e94\u7528\u8981\u6c42\u53ca\u65f6\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p><h2 id='\u7ed3\u8bba'  id=\"boomdevs_12\">\u7ed3\u8bba<\/h2><p>TCP \u7aef\u53e3\u662f\u7f51\u7edc\u901a\u4fe1\u65e0\u7f1d\u8fd0\u884c\u7684\u6838\u5fc3\uff0c\u4f7f\u8bbe\u5907\u548c\u5e94\u7528\u4e4b\u95f4\u7684\u6570\u636e\u7cbe\u786e\u8def\u7531\u6210\u4e3a\u53ef\u80fd\u3002\u7406\u89e3 TCP \u7aef\u53e3\u7684\u5de5\u4f5c\u539f\u7406\u3001\u5206\u7c7b\u3001\u5e38\u89c1\u7528\u9014\u53ca\u5176\u5728\u7f51\u7edc\u5b89\u5168\u4e2d\u7684\u4f5c\u7528\uff0c\u5bf9\u4e8e\u4ece\u4e8b\u7f51\u7edc\u548c\u7f51\u7edc\u5b89\u5168\u7684\u4eba\u5458\u6765\u8bf4\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u6709\u6548\u7ba1\u7406\u548c\u76d1\u63a7 TCP \u7aef\u53e3\uff0c\u4efb\u4f55\u89c4\u6a21\u7684\u7ec4\u7ec7\u90fd\u80fd\u786e\u4fdd\u5176\u7f51\u7edc\u57fa\u7840\u8bbe\u65bd\u7684\u5b89\u5168\u6027\u548c\u6548\u7387\u3002<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-29c49ed e-flex e-con-boxed e-con e-child\" data-id=\"29c49ed\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e22b6b9 elementor-widget elementor-widget-heading\" data-id=\"e22b6b9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">\u51c6\u5907\u597d\u4e86\u89e3\u4e3a\u4ec0\u4e48\u60a8\u9700\u8981\u5f00\u53d1\u5e76\u4f7f\u7528<span style=\"text-decoration: underline\"><a href=\"https:\/\/www.dotcom-monitor.com\/products\/tcp-port-telnet-monitoring\/\">TCP \u7aef\u53e3\u76d1\u63a7<\/a><\/span>\uff0c\u4ee5\u4fbf\u4e3b\u52a8\u8bc4\u4f30\u7f51\u7edc\u8bbe\u5907\u7684\u5065\u5eb7\u548c\u54cd\u5e94\u80fd\u529b\u5417\uff1f<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c800f2e elementor-widget__width-inherit elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"c800f2e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">\u7acb\u5373\u6ce8\u518c\u514d\u8d39\u8bd5\u7528 <br>\u6216\u9884\u7ea6\u6f14\u793a\u4ee5\u4eb2\u81ea\u4f53\u9a8c\uff01<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1704f73 e-grid e-con-boxed e-con e-child\" data-id=\"1704f73\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9880ffe elementor-widget__width-auto elementor-mobile-align-center elementor-align-right elementor-invisible elementor-widget elementor-widget-button\" data-id=\"9880ffe\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-lg\" href=\"https:\/\/userauth.dotcom-monitor.com\/Account\/FreeTrialSignUp?SolutionType=Monitoring\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">\u5f00\u59cb\u4f7f\u7528<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-55fee86 elementor-widget__width-auto elementor-mobile-align-center elementor-invisible elementor-widget elementor-widget-button\" data-id=\"55fee86\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-lg\" href=\"https:\/\/www.dotcom-monitor.com\/demo\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">\u4e00\u5bf9\u4e00\u6f14\u793a<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-71c40d1 e-con-full e-flex e-con e-child\" data-id=\"71c40d1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[],&quot;sticky&quot;:&quot;top&quot;,&quot;sticky_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;],&quot;sticky_offset&quot;:60,&quot;sticky_effects_offset&quot;:&quot;200&quot;,&quot;sticky_parent&quot;:&quot;yes&quot;,&quot;sticky_anchor_link_offset&quot;:0}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-23611cb elementor-widget elementor-widget-text-editor\" data-id=\"23611cb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>        \n            \n            <div class=\"fit_content\">\n                <div class=\"bd_toc_container\" data-fixedWidth=\"\">\n                    <div class=\"bd_toc_wrapper\" data-wrapperPadding=\"90px\">\n                        <div class=\"bd_toc_wrapper_item\">\n                            <div class=\"bd_toc_header active\" data-headerPadding=\"2px\">\n                                <div class=\"bd_toc_header_title\">\n                                    In this article                                <\/div>\n                                <div class=\"bd_toc_switcher_hide_show_icon\">\n                                    <span class=\"bd_toc_arrow\"><\/span>                                <\/div>\n                            <\/div>\n                            <div class=\"bd_toc_content list-type-none\">\n                                <div class=\"bd_toc_content_list \">\n                                    <div class='bd_toc_content_list_item'><ul>\n  <li class=\"first last\">\n    <a href=\"#what-is-a-tcp-port\">What Is a TCP Port?<\/a>\n    <ul class=\"menu_level_1\">\n      <li class=\"first\">\n        <a href=\"#what-are-tcp-ports\">What are TCP Ports?<\/a>\n      <\/li>\n      <li>\n        <a href=\"#types-of-tcp-ports\">Types of TCP Ports<\/a>\n      <\/li>\n      <li>\n        <a href=\"#common-tcp-ports-and-their-uses\">Common TCP Ports and Their Uses<\/a>\n      <\/li>\n      <li>\n        <a href=\"#the-role-of-tcp-ports-in-network-devices\">The Role of TCP Ports in Network Devices<\/a>\n      <\/li>\n      <li>\n        <a href=\"#tcp-ports-and-other-protocols\">TCP Ports and Other Protocols<\/a>\n      <\/li>\n      <li>\n        <a href=\"#importance-of-tcp-ports-in-network-security\">Importance of TCP Ports in Network Security<\/a>\n      <\/li>\n      <li>\n        <a href=\"#closing-and-monitoring-tcp-ports\">Closing and Monitoring TCP Ports<\/a>\n      <\/li>\n      <li>\n        <a href=\"#additional-protocols-and-standards\">Additional Protocols and Standards<\/a>\n      <\/li>\n      <li>\n        <a href=\"#integration-with-other-network-elements\">Integration with Other Network Elements<\/a>\n      <\/li>\n      <li>\n        <a href=\"#real-time-applications\">Real-Time Applications<\/a>\n      <\/li>\n      <li class=\"last\">\n        <a href=\"#conclusion\">Conclusion<\/a>\n      <\/li>\n    <\/ul>\n  <\/li>\n<\/ul>\n<\/div>                                <\/div>\n                            <\/div>\n                        <\/div>\n                    <\/div>\n                    <div class=\"layout_toggle_button\">\n                        <span class=\"bd_toc_arrow\"><\/span>\n                    <\/div>\n                <\/div>\n            <\/div>\n\n    <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Home What Is a TCP Port? Last Updated: O &hellip; <a href=\"https:\/\/www.dotcom-monitor.com\/zh-hans\/%e4%bd%bf%e7%94%a8%e7%bd%91%e7%bb%9c%e7%9b%91%e8%a7%86%e5%99%a8%e5%ad%a6%e4%b9%a0\/%e6%9c%af%e8%af%ad%e8%a1%a8\/%e4%bb%80%e4%b9%88%e6%98%af-tcp-%e7%ab%af%e5%8f%a3%ef%bc%9f\/\">Read More<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"parent":27768,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-27810","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.dotcom-monitor.com\/zh-hans\/wp-json\/wp\/v2\/pages\/27810","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dotcom-monitor.com\/zh-hans\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.dotcom-monitor.com\/zh-hans\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.dotcom-monitor.com\/zh-hans\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dotcom-monitor.com\/zh-hans\/wp-json\/wp\/v2\/comments?post=27810"}],"version-history":[{"count":0,"href":"https:\/\/www.dotcom-monitor.com\/zh-hans\/wp-json\/wp\/v2\/pages\/27810\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.dotcom-monitor.com\/zh-hans\/wp-json\/wp\/v2\/pages\/27768"}],"wp:attachment":[{"href":"https:\/\/www.dotcom-monitor.com\/zh-hans\/wp-json\/wp\/v2\/media?parent=27810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}