{"id":43528,"date":"2024-10-05T20:52:58","date_gmt":"2024-10-05T12:52:58","guid":{"rendered":"https:\/\/server.hk\/cnblog\/43528\/"},"modified":"2024-10-05T20:52:58","modified_gmt":"2024-10-05T12:52:58","slug":"centos-%e4%b8%ad-tcp-wrappers-%e8%a8%aa%e5%95%8f%e6%8e%a7%e5%88%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/43528\/","title":{"rendered":"CentOS \u4e2d TCP Wrappers \u8a2a\u554f\u63a7\u5236"},"content":{"rendered":"<h1 id=\"centos-%e4%b8%ad-tcp-wrappers-%e8%a8%aa%e5%95%8f%e6%8e%a7%e5%88%b6-ZReaAkYBDl\">CentOS \u4e2d TCP Wrappers \u8a2a\u554f\u63a7\u5236<\/h1>\n<p>\u5728\u4f3a\u670d\u5668\u7ba1\u7406\u4e2d\uff0c\u5b89\u5168\u6027\u662f\u6bcf\u4f4d\u7cfb\u7d71\u7ba1\u7406\u54e1\u5fc5\u9808\u91cd\u8996\u7684\u8ab2\u984c\u3002CentOS \u4f5c\u70ba\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684 Linux \u767c\u884c\u7248\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u5b89\u5168\u6a5f\u5236\u4f86\u4fdd\u8b77\u4f3a\u670d\u5668\u3002\u5176\u4e2d\uff0cTCP Wrappers \u662f\u4e00\u7a2e\u6709\u6548\u7684\u8a2a\u554f\u63a7\u5236\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u7ba1\u7406\u54e1\u9650\u5236\u5c0d\u4f3a\u670d\u5668\u670d\u52d9\u7684\u8a2a\u554f\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e CentOS \u4e2d TCP Wrappers \u7684\u4f7f\u7528\u53ca\u5176\u914d\u7f6e\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-tcp-wrappers%ef%bc%9f-ZReaAkYBDl\">\u4ec0\u9ebc\u662f TCP Wrappers\uff1f<\/h2>\n<p>TCP Wrappers \u662f\u4e00\u7a2e\u57fa\u65bc\u4e3b\u6a5f\u7684\u8a2a\u554f\u63a7\u5236\u7cfb\u7d71\uff0c\u6700\u65e9\u7531 Wietse Venema \u958b\u767c\u3002\u5b83\u901a\u904e\u6aa2\u67e5\u4f86\u81ea\u5ba2\u6236\u7aef\u7684 IP \u5730\u5740\uff0c\u4f86\u6c7a\u5b9a\u662f\u5426\u5141\u8a31\u6216\u62d2\u7d55\u5c0d\u7279\u5b9a\u670d\u52d9\u7684\u8a2a\u554f\u3002TCP Wrappers \u4e3b\u8981\u7528\u65bc\u4fdd\u8b77\u57fa\u65bc TCP \u7684\u670d\u52d9\uff0c\u5982 SSH\u3001FTP \u548c HTTP \u7b49\u3002<\/p>\n<h2 id=\"tcp-wrappers-%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-ZReaAkYBDl\">TCP Wrappers \u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>TCP Wrappers \u901a\u904e\u5169\u500b\u4e3b\u8981\u7684\u914d\u7f6e\u6587\u4ef6\u4f86\u904b\u4f5c\uff1a<code>\/etc\/hosts.allow<\/code> \u548c <code>\/etc\/hosts.deny<\/code>\u3002\u9019\u5169\u500b\u6587\u4ef6\u7528\u65bc\u5b9a\u7fa9\u54ea\u4e9b\u4e3b\u6a5f\u53ef\u4ee5\u8a2a\u554f\u54ea\u4e9b\u670d\u52d9\u3002<\/p>\n<ul>\n<li><code>\/etc\/hosts.allow<\/code>\uff1a\u9019\u500b\u6587\u4ef6\u5217\u51fa\u4e86\u88ab\u5141\u8a31\u8a2a\u554f\u670d\u52d9\u7684\u4e3b\u6a5f\u3002<\/li>\n<li><code>\/etc\/hosts.deny<\/code>\uff1a\u9019\u500b\u6587\u4ef6\u5217\u51fa\u4e86\u88ab\u62d2\u7d55\u8a2a\u554f\u670d\u52d9\u7684\u4e3b\u6a5f\u3002<\/li>\n<\/ul>\n<p>\u7576\u4e00\u500b\u5ba2\u6236\u7aef\u5617\u8a66\u9023\u63a5\u5230\u4f3a\u670d\u5668\u4e0a\u7684\u67d0\u500b\u670d\u52d9\u6642\uff0cTCP Wrappers \u6703\u9996\u5148\u6aa2\u67e5 <code>\/etc\/hosts.allow<\/code> \u6587\u4ef6\u3002\u5982\u679c\u5ba2\u6236\u7aef\u7684 IP \u5730\u5740\u5728\u6b64\u6587\u4ef6\u4e2d\uff0c\u5247\u5141\u8a31\u8a2a\u554f\uff1b\u5982\u679c\u4e0d\u5728\uff0c\u5247\u6aa2\u67e5 <code>\/etc\/hosts.deny<\/code> \u6587\u4ef6\u3002\u5982\u679c\u5ba2\u6236\u7aef\u7684 IP \u5730\u5740\u5728\u6b64\u6587\u4ef6\u4e2d\uff0c\u5247\u62d2\u7d55\u8a2a\u554f\uff1b\u5982\u679c\u4e0d\u5728\uff0c\u5247\u9ed8\u8a8d\u5141\u8a31\u8a2a\u554f\u3002<\/p>\n<h2 id=\"%e9%85%8d%e7%bd%ae-tcp-wrappers-ZReaAkYBDl\">\u914d\u7f6e TCP Wrappers<\/h2>\n<p>\u4ee5\u4e0b\u662f\u5982\u4f55\u5728 CentOS \u4e2d\u914d\u7f6e TCP Wrappers \u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%ae%89%e8%a3%9d-tcp-wrappers-ZReaAkYBDl\">1. \u5b89\u88dd TCP Wrappers<\/h3>\n<p>\u5728\u5927\u591a\u6578\u60c5\u6cc1\u4e0b\uff0cTCP Wrappers \u6703\u96a8 CentOS \u9810\u8a2d\u5b89\u88dd\u3002\u5982\u679c\u9700\u8981\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u5b89\u88dd\uff1a<\/p>\n<pre><code>sudo yum install tcp_wrappers<\/code><\/pre>\n<h3 id=\"2-%e7%b7%a8%e8%bc%af%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6-ZReaAkYBDl\">2. \u7de8\u8f2f\u914d\u7f6e\u6587\u4ef6<\/h3>\n<p>\u4f7f\u7528\u6587\u672c\u7de8\u8f2f\u5668\u6253\u958b <code>\/etc\/hosts.allow<\/code> \u548c <code>\/etc\/hosts.deny<\/code> \u6587\u4ef6\uff0c\u9032\u884c\u76f8\u61c9\u7684\u914d\u7f6e\u3002<\/p>\n<h4 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e5%85%81%e8%a8%b1%e7%89%b9%e5%ae%9a-ip-%e8%a8%aa%e5%95%8f-ssh-ZReaAkYBDl\">\u793a\u4f8b\uff1a\u5141\u8a31\u7279\u5b9a IP \u8a2a\u554f SSH<\/h4>\n<p>\u5728 <code>\/etc\/hosts.allow<\/code> \u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre><code>sshd: 192.168.1.100<\/code><\/pre>\n<p>\u9019\u8868\u793a\u53ea\u6709 IP \u5730\u5740\u70ba 192.168.1.100 \u7684\u4e3b\u6a5f\u53ef\u4ee5\u8a2a\u554f SSH \u670d\u52d9\u3002<\/p>\n<h4 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e6%8b%92%e7%b5%95%e7%89%b9%e5%ae%9a-ip-%e8%a8%aa%e5%95%8f-ftp-ZReaAkYBDl\">\u793a\u4f8b\uff1a\u62d2\u7d55\u7279\u5b9a IP \u8a2a\u554f FTP<\/h4>\n<p>\u5728 <code>\/etc\/hosts.deny<\/code> \u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre><code>vsftpd: 192.168.1.200<\/code><\/pre>\n<p>\u9019\u8868\u793a IP \u5730\u5740\u70ba 192.168.1.200 \u7684\u4e3b\u6a5f\u5c07\u88ab\u62d2\u7d55\u8a2a\u554f FTP \u670d\u52d9\u3002<\/p>\n<h3 id=\"3-%e6%b8%ac%e8%a9%a6%e9%85%8d%e7%bd%ae-ZReaAkYBDl\">3. \u6e2c\u8a66\u914d\u7f6e<\/h3>\n<p>\u5b8c\u6210\u914d\u7f6e\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528 telnet \u6216 nc \u547d\u4ee4\u4f86\u6e2c\u8a66\u8a2a\u554f\u63a7\u5236\u662f\u5426\u6b63\u5e38\u904b\u4f5c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6e2c\u8a66 SSH \u670d\u52d9\uff1a<\/p>\n<pre><code>telnet your-server-ip 22<\/code><\/pre>\n<p>\u5982\u679c\u914d\u7f6e\u6b63\u78ba\uff0c\u4f86\u81ea\u88ab\u5141\u8a31\u7684 IP \u5730\u5740\u61c9\u80fd\u6210\u529f\u9023\u63a5\uff0c\u800c\u4f86\u81ea\u88ab\u62d2\u7d55\u7684 IP \u5730\u5740\u5247\u61c9\u7121\u6cd5\u9023\u63a5\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ZReaAkYBDl\">\u7e3d\u7d50<\/h2>\n<p>TCP Wrappers \u662f CentOS \u4e2d\u4e00\u500b\u5f37\u5927\u7684\u8a2a\u554f\u63a7\u5236\u5de5\u5177\uff0c\u80fd\u5920\u6709\u6548\u5730\u4fdd\u8b77\u4f3a\u670d\u5668\u514d\u53d7\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u3002\u901a\u904e\u7c21\u55ae\u7684\u914d\u7f6e\uff0c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u4ee5\u9748\u6d3b\u5730\u63a7\u5236\u54ea\u4e9b\u4e3b\u6a5f\u53ef\u4ee5\u8a2a\u554f\u7279\u5b9a\u7684\u670d\u52d9\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u5b89\u5168\u6027\u7684\u74b0\u5883\uff0c\u5efa\u8b70\u7d50\u5408\u5176\u4ed6\u5b89\u5168\u63aa\u65bd\uff0c\u5982\u9632\u706b\u7246\u548c\u5165\u4fb5\u6aa2\u6e2c\u7cfb\u7d71\uff0c\u4ee5\u9032\u4e00\u6b65\u589e\u5f37\u4f3a\u670d\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u53ca\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3 CentOS \u4e2d TCP Wrappers \u7684\u8a2a\u554f\u63a7\u5236\uff0c\u63d0\u5347\u7cfb\u7d71\u5b89\u5168\u6027\uff0c\u7ba1\u7406\u7db2\u7d61\u670d\u52d9\u7684\u8a2a\u554f\u6b0a\u9650\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-43528","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43528","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=43528"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43528\/revisions"}],"predecessor-version":[{"id":43529,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43528\/revisions\/43529"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=43528"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=43528"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=43528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}