{"id":44538,"date":"2024-10-06T16:22:13","date_gmt":"2024-10-06T08:22:13","guid":{"rendered":"https:\/\/server.hk\/cnblog\/44538\/"},"modified":"2024-10-06T16:22:13","modified_gmt":"2024-10-06T08:22:13","slug":"linux-%e4%bc%ba%e6%9c%8d%e5%99%a8%e5%ae%89%e5%85%a8%e7%ad%96%e7%95%a5%e6%8a%80%e5%b7%a7%ef%bc%9a%e4%bd%bf%e7%94%a8-tcp-%e5%b0%81%e8%a3%9d%e5%99%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/44538\/","title":{"rendered":"Linux \u4f3a\u670d\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4f7f\u7528 TCP \u5c01\u88dd\u5668"},"content":{"rendered":"<h1 id=\"linux-%e4%bc%ba%e6%9c%8d%e5%99%a8%e5%ae%89%e5%85%a8%e7%ad%96%e7%95%a5%e6%8a%80%e5%b7%a7%ef%bc%9a%e4%bd%bf%e7%94%a8-tcp-%e5%b0%81%e8%a3%9d%e5%99%a8-LGBVqiiYna\">Linux \u4f3a\u670d\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4f7f\u7528 TCP \u5c01\u88dd\u5668<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u4f4d\u6642\u4ee3\uff0c\u4f3a\u670d\u5668\u5b89\u5168\u6027\u6210\u70ba\u4e86\u4f01\u696d\u548c\u500b\u4eba\u7528\u6236\u6700\u95dc\u6ce8\u7684\u8b70\u984c\u4e4b\u4e00\u3002Linux \u4f3a\u670d\u5668\u56e0\u5176\u958b\u6e90\u7279\u6027\u548c\u9748\u6d3b\u6027\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u696d\u52d9\u4e2d\u3002\u7136\u800c\uff0c\u96a8\u8457\u7db2\u7d61\u653b\u64ca\u7684\u65e5\u76ca\u589e\u591a\uff0c\u5982\u4f55\u4fdd\u8b77\u4f3a\u670d\u5668\u514d\u53d7\u6f5b\u5728\u5a01\u8105\u6210\u70ba\u4e86\u6bcf\u500b\u7cfb\u7d71\u7ba1\u7406\u54e1\u7684\u9996\u8981\u4efb\u52d9\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4f7f\u7528 TCP \u5c01\u88dd\u5668\u4f86\u589e\u5f37 Linux \u4f3a\u670d\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-tcp-%e5%b0%81%e8%a3%9d%e5%99%a8%ef%bc%9f-LGBVqiiYna\">\u4ec0\u9ebc\u662f TCP \u5c01\u88dd\u5668\uff1f<\/h2>\n<p>TCP \u5c01\u88dd\u5668\uff08TCP Wrapper\uff09\u662f\u4e00\u7a2e\u7528\u65bc\u63a7\u5236\u5c0d TCP \u670d\u52d9\u8a2a\u554f\u7684\u5b89\u5168\u5de5\u5177\u3002\u5b83\u901a\u904e\u6aa2\u67e5\u9032\u5165\u4f3a\u670d\u5668\u7684\u9023\u63a5\u8acb\u6c42\uff0c\u4f86\u6c7a\u5b9a\u662f\u5426\u5141\u8a31\u6216\u62d2\u7d55\u9019\u4e9b\u8acb\u6c42\u3002TCP \u5c01\u88dd\u5668\u7684\u4e3b\u8981\u529f\u80fd\u662f\u63d0\u4f9b\u57fa\u65bc IP \u5730\u5740\u7684\u8a2a\u554f\u63a7\u5236\uff0c\u9019\u4f7f\u5f97\u7cfb\u7d71\u7ba1\u7406\u54e1\u80fd\u5920\u66f4\u9748\u6d3b\u5730\u7ba1\u7406\u4f3a\u670d\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"tcp-%e5%b0%81%e8%a3%9d%e5%99%a8%e7%9a%84%e5%ae%89%e8%a3%9d%e8%88%87%e9%85%8d%e7%bd%ae-LGBVqiiYna\">TCP \u5c01\u88dd\u5668\u7684\u5b89\u88dd\u8207\u914d\u7f6e<\/h2>\n<p>\u5728\u5927\u591a\u6578 Linux \u767c\u884c\u7248\u4e2d\uff0cTCP \u5c01\u88dd\u5668\u901a\u5e38\u662f\u9810\u88dd\u7684\uff0c\u4f46\u5982\u679c\u9700\u8981\u5b89\u88dd\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>sudo apt-get install tcpd<\/code><\/pre>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u60a8\u9700\u8981\u914d\u7f6e TCP \u5c01\u88dd\u5668\u3002\u9019\u901a\u5e38\u6d89\u53ca\u5230\u7de8\u8f2f\u4f4d\u65bc <code>\/etc\/hosts.allow<\/code> \u548c <code>\/etc\/hosts.deny<\/code> \u7684\u6587\u4ef6\u3002<\/p>\n<h3>\u914d\u7f6e <code>\/etc\/hosts.allow<\/code><\/h3>\n<p>\u5728 <code>\/etc\/hosts.allow<\/code> \u6587\u4ef6\u4e2d\uff0c\u60a8\u53ef\u4ee5\u6307\u5b9a\u54ea\u4e9b IP \u5730\u5740\u88ab\u5141\u8a31\u8a2a\u554f\u7279\u5b9a\u7684\u670d\u52d9\u3002\u4f8b\u5982\uff0c\u5141\u8a31\u4f86\u81ea\u7279\u5b9a IP \u7684 SSH \u9023\u63a5\uff1a<\/p>\n<pre><code>sshd: 192.168.1.100<\/code><\/pre>\n<h3>\u914d\u7f6e <code>\/etc\/hosts.deny<\/code><\/h3>\n<p>\u76f8\u5c0d\u5730\uff0c\u5728 <code>\/etc\/hosts.deny<\/code> \u6587\u4ef6\u4e2d\uff0c\u60a8\u53ef\u4ee5\u6307\u5b9a\u54ea\u4e9b IP \u5730\u5740\u88ab\u62d2\u7d55\u8a2a\u554f\u3002\u4f8b\u5982\uff0c\u62d2\u7d55\u6240\u6709\u5176\u4ed6\u7684 SSH \u9023\u63a5\uff1a<\/p>\n<pre><code>sshd: ALL<\/code><\/pre>\n<h2 id=\"%e4%bd%bf%e7%94%a8-tcp-%e5%b0%81%e8%a3%9d%e5%99%a8%e7%9a%84%e5%84%aa%e5%8b%a2-LGBVqiiYna\">\u4f7f\u7528 TCP \u5c01\u88dd\u5668\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>TCP \u5c01\u88dd\u5668\u7684\u914d\u7f6e\u76f8\u5c0d\u7c21\u55ae\uff0c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u4ee5\u5feb\u901f\u4e0a\u624b\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u53ef\u4ee5\u6839\u64da\u9700\u8981\u96a8\u6642\u4fee\u6539\u8a2a\u554f\u63a7\u5236\u898f\u5247\uff0c\u9069\u61c9\u4e0d\u540c\u7684\u5b89\u5168\u9700\u6c42\u3002<\/li>\n<li><strong>\u589e\u5f37\u5b89\u5168\u6027\uff1a<\/strong>\u901a\u904e\u9650\u5236\u8a2a\u554f\u4f86\u6e90\uff0c\u6e1b\u5c11\u6f5b\u5728\u7684\u653b\u64ca\u9762\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-LGBVqiiYna\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u4f7f\u7528 TCP \u5c01\u88dd\u5668\u6642\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\u6aa2\u67e5\u914d\u7f6e\uff1a<\/strong>\u5b9a\u671f\u6aa2\u67e5 <code>\/etc\/hosts.allow<\/code> \u548c <code>\/etc\/hosts.deny<\/code> \u7684\u914d\u7f6e\uff0c\u78ba\u4fdd\u5176\u7b26\u5408\u7576\u524d\u7684\u5b89\u5168\u9700\u6c42\u3002<\/li>\n<li><strong>\u4f7f\u7528\u65e5\u8a8c\u8a18\u9304\uff1a<\/strong>\u555f\u7528\u65e5\u8a8c\u8a18\u9304\u529f\u80fd\uff0c\u4ee5\u4fbf\u8ffd\u8e64\u8a2a\u554f\u8acb\u6c42\u548c\u6f5b\u5728\u7684\u5b89\u5168\u4e8b\u4ef6\u3002<\/li>\n<li><strong>\u7d50\u5408\u5176\u4ed6\u5b89\u5168\u63aa\u65bd\uff1a<\/strong>TCP \u5c01\u88dd\u5668\u61c9\u8207\u9632\u706b\u7246\u3001\u5165\u4fb5\u6aa2\u6e2c\u7cfb\u7d71\u7b49\u5176\u4ed6\u5b89\u5168\u63aa\u65bd\u7d50\u5408\u4f7f\u7528\uff0c\u4ee5\u63d0\u4f9b\u591a\u5c64\u6b21\u7684\u4fdd\u8b77\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-LGBVqiiYna\">\u7d50\u8ad6<\/h2>\n<p>\u4f7f\u7528 TCP \u5c01\u88dd\u5668\u662f\u4e00\u7a2e\u6709\u6548\u7684\u65b9\u5f0f\u4f86\u589e\u5f37 Linux \u4f3a\u670d\u5668\u7684\u5b89\u5168\u6027\u3002\u901a\u904e\u5408\u7406\u914d\u7f6e\u8a2a\u554f\u63a7\u5236\uff0c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u6f5b\u5728\u7684\u5b89\u5168\u98a8\u96aa\u3002\u96a8\u8457\u7db2\u7d61\u5b89\u5168\u5a01\u8105\u7684\u6f14\u8b8a\uff0c\u6301\u7e8c\u66f4\u65b0\u548c\u512a\u5316\u5b89\u5168\u7b56\u7565\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u5b89\u5168\u6027\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u662f\u660e\u667a\u4e4b\u8209\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 Linux \u4f3a\u670d\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u4f7f\u7528 TCP \u5c01\u88dd\u5668\u589e\u5f37\u7cfb\u7d71\u9632\u8b77\uff0c\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-44538","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44538","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=44538"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44538\/revisions"}],"predecessor-version":[{"id":44539,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44538\/revisions\/44539"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=44538"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=44538"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=44538"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}