{"id":211635,"date":"2023-12-22T11:15:27","date_gmt":"2023-12-22T03:15:27","guid":{"rendered":"https:\/\/www.idc.net\/help\/211635\/"},"modified":"2023-12-22T11:15:27","modified_gmt":"2023-12-22T03:15:27","slug":"linux-%e6%9c%8d%e5%8a%a1%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%e7%ab%af%e5%8f%a3%e6%95%b2%e5%87%bb%e9%9a%90%e8%97%8f%e6%9c%8d%e5%8a%a1","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/211635\/","title":{"rendered":"Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4f7f\u7528\u7aef\u53e3\u6572\u51fb\u9690\u85cf\u670d\u52a1"},"content":{"rendered":"<p><title id=\"linux-%e6%9c%8d%e5%8a%a1%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%e7%ab%af%e5%8f%a3%e6%95%b2%e5%87%bb%e9%9a%90%e8%97%8f%e6%9c%8d%e5%8a%a1-AjPzwtaXPx\">Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4f7f\u7528\u7aef\u53e3\u6572\u51fb\u9690\u85cf\u670d\u52a1<\/title><\/p>\n<h1 id=\"linux-%e6%9c%8d%e5%8a%a1%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%e7%ab%af%e5%8f%a3%e6%95%b2%e5%87%bb%e9%9a%90%e8%97%8f%e6%9c%8d%e5%8a%a1-AjPzwtaXPx\">Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4f7f\u7528\u7aef\u53e3\u6572\u51fb\u9690\u85cf\u670d\u52a1<\/h1>\n<p>\u5728\u5f53\u4eca\u6570\u5b57\u5316\u65f6\u4ee3\uff0c\u670d\u52a1\u5668\u5b89\u5168\u5bf9\u4e8e\u4efb\u4f55\u4f01\u4e1a\u6216\u4e2a\u4eba\u6765\u8bf4\u90fd\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002Linux \u4f5c\u4e3a\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5177\u6709\u5f3a\u5927\u7684\u5b89\u5168\u6027\u80fd\u548c\u7075\u6d3b\u6027\uff0c\u4f46\u4ecd\u7136\u9700\u8981\u91c7\u53d6\u4e00\u4e9b\u989d\u5916\u7684\u5b89\u5168\u7b56\u7565\u6765\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u6f5c\u5728\u7684\u653b\u51fb\u3002<\/p>\n<h2 id=\"%e7%ab%af%e5%8f%a3%e6%95%b2%e5%87%bb%e9%9a%90%e8%97%8f%e6%9c%8d%e5%8a%a1-AjPzwtaXPx\">\u7aef\u53e3\u6572\u51fb\u9690\u85cf\u670d\u52a1<\/h2>\n<p>\u7aef\u53e3\u6572\u51fb\u662f\u4e00\u79cd\u901a\u8fc7\u7279\u5b9a\u7684\u7aef\u53e3\u987a\u5e8f\u6572\u51fb\u6765\u89e6\u53d1\u9690\u85cf\u670d\u52a1\u7684\u6280\u672f\u3002\u8fd9\u79cd\u6280\u672f\u53ef\u4ee5\u6709\u6548\u5730\u9690\u85cf\u670d\u52a1\u5668\u4e0a\u7684\u670d\u52a1\uff0c\u4f7f\u5176\u5bf9\u5916\u90e8\u653b\u51fb\u8005\u4e0d\u53ef\u89c1\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528\u7aef\u53e3\u6572\u51fb\u9690\u85cf\u670d\u52a1\u7684\u6280\u5de7\uff1a<\/p>\n<h3 id=\"1-%e4%bf%ae%e6%94%b9-ssh-%e9%bb%98%e8%ae%a4%e7%ab%af%e5%8f%a3-AjPzwtaXPx\">1. \u4fee\u6539 SSH \u9ed8\u8ba4\u7aef\u53e3<\/h3>\n<p>SSH\uff08Secure Shell\uff09\u662f\u8fdc\u7a0b\u767b\u5f55 Linux \u670d\u52a1\u5668\u7684\u5e38\u7528\u534f\u8bae\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cSSH \u670d\u52a1\u5668\u76d1\u542c 22 \u7aef\u53e3\u3002\u653b\u51fb\u8005\u901a\u5e38\u4f1a\u626b\u63cf\u5e38\u7528\u7aef\u53e3\uff0c\u56e0\u6b64\u5c06 SSH \u670d\u52a1\u5668\u8fc1\u79fb\u5230\u975e\u5e38\u7528\u7aef\u53e3\u53ef\u4ee5\u6709\u6548\u5730\u51cf\u5c11\u66b4\u529b\u7834\u89e3\u548c\u6076\u610f\u767b\u5f55\u7684\u98ce\u9669\u3002<\/p>\n<p>\u8981\u4fee\u6539 SSH \u9ed8\u8ba4\u7aef\u53e3\uff0c\u53ef\u4ee5\u7f16\u8f91 SSH \u914d\u7f6e\u6587\u4ef6\uff08\/etc\/ssh\/sshd_config\uff09\uff0c\u627e\u5230 \"Port\" \u914d\u7f6e\u9879\u5e76\u5c06\u5176\u4fee\u6539\u4e3a\u4e00\u4e2a\u975e\u5e38\u7528\u7aef\u53e3\u53f7\u3002\u4f8b\u5982\uff0c\u5c06\u7aef\u53e3\u53f7\u4fee\u6539\u4e3a 2222\uff1a<\/p>\n<pre><code>Port 2222<\/code><\/pre>\n<p>\u4fee\u6539\u540e\uff0c\u4fdd\u5b58\u6587\u4ef6\u5e76\u91cd\u542f SSH \u670d\u52a1\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e7%ab%af%e5%8f%a3%e6%95%b2%e5%87%bb%e9%9a%90%e8%97%8f%e5%85%b6%e4%bb%96%e6%9c%8d%e5%8a%a1-AjPzwtaXPx\">2. \u4f7f\u7528\u7aef\u53e3\u6572\u51fb\u9690\u85cf\u5176\u4ed6\u670d\u52a1<\/h3>\n<p>\u9664\u4e86 SSH\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528\u7aef\u53e3\u6572\u51fb\u9690\u85cf\u5176\u4ed6\u670d\u52a1\uff0c\u5982 FTP\u3001Telnet \u7b49\u3002\u901a\u8fc7\u4fee\u6539\u670d\u52a1\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u5c06\u5176\u76d1\u542c\u7aef\u53e3\u4fee\u6539\u4e3a\u975e\u5e38\u7528\u7aef\u53e3\uff0c\u5e76\u914d\u7f6e\u7aef\u53e3\u6572\u51fb\u89c4\u5219\uff0c\u4f7f\u670d\u52a1\u53ea\u5728\u7279\u5b9a\u7684\u7aef\u53e3\u987a\u5e8f\u6572\u51fb\u65f6\u624d\u4f1a\u54cd\u5e94\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5bf9\u4e8e FTP \u670d\u52a1\u5668\uff0c\u60a8\u53ef\u4ee5\u7f16\u8f91 FTP \u914d\u7f6e\u6587\u4ef6\uff08\/etc\/vsftpd.conf\uff09\uff0c\u627e\u5230 \"listen_port\" \u914d\u7f6e\u9879\u5e76\u5c06\u5176\u4fee\u6539\u4e3a\u4e00\u4e2a\u975e\u5e38\u7528\u7aef\u53e3\u53f7\u3002\u7136\u540e\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 iptables \u6216\u5176\u4ed6\u9632\u706b\u5899\u5de5\u5177\u914d\u7f6e\u7aef\u53e3\u6572\u51fb\u89c4\u5219\uff0c\u53ea\u5141\u8bb8\u5728\u7279\u5b9a\u7684\u7aef\u53e3\u987a\u5e8f\u6572\u51fb\u65f6\u624d\u5c06\u6d41\u91cf\u8f6c\u53d1\u5230\u8be5\u7aef\u53e3\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e9%98%b2%e7%81%ab%e5%a2%99%e9%99%90%e5%88%b6%e8%ae%bf%e9%97%ae-AjPzwtaXPx\">3. \u4f7f\u7528\u9632\u706b\u5899\u9650\u5236\u8bbf\u95ee<\/h3>\n<p>\u4f7f\u7528\u9632\u706b\u5899\u53ef\u4ee5\u5e2e\u52a9\u60a8\u9650\u5236\u5bf9\u670d\u52a1\u5668\u7684\u8bbf\u95ee\uff0c\u5e76\u963b\u6b62\u6f5c\u5728\u7684\u653b\u51fb\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 iptables \u6216\u5176\u4ed6\u9632\u706b\u5899\u5de5\u5177\u914d\u7f6e\u89c4\u5219\uff0c\u53ea\u5141\u8bb8\u7279\u5b9a\u7684 IP \u5730\u5740\u6216 IP \u5730\u5740\u8303\u56f4\u8bbf\u95ee\u670d\u52a1\u5668\u4e0a\u7684\u670d\u52a1\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u914d\u7f6e iptables \u89c4\u5219\uff0c\u53ea\u5141\u8bb8\u6765\u81ea\u7279\u5b9a IP \u5730\u5740\u7684 SSH \u8fde\u63a5\uff1a<\/p>\n<pre><code>iptables -A INPUT -p tcp --dport 2222 -s 192.168.0.1 -j ACCEPT\niptables -A INPUT -p tcp --dport 2222 -j DROP<\/code><\/pre>\n<p>\u8fd9\u5c06\u5141\u8bb8\u6765\u81ea IP \u5730\u5740 192.168.0.1 \u7684 SSH \u8fde\u63a5\uff0c\u5e76\u963b\u6b62\u5176\u4ed6\u6240\u6709\u8fde\u63a5\u3002<\/p>\n<h3 id=\"4-%e5%ae%9a%e6%9c%9f%e6%9b%b4%e6%96%b0%e5%92%8c%e5%8d%87%e7%ba%a7-AjPzwtaXPx\">4. \u5b9a\u671f\u66f4\u65b0\u548c\u5347\u7ea7<\/h3>\n<p>\u5b9a\u671f\u66f4\u65b0\u548c\u5347\u7ea7\u670d\u52a1\u5668\u4e0a\u7684\u8f6f\u4ef6\u548c\u64cd\u4f5c\u7cfb\u7edf\u662f\u4fdd\u6301\u670d\u52a1\u5668\u5b89\u5168\u7684\u91cd\u8981\u6b65\u9aa4\u3002\u53ca\u65f6\u5e94\u7528\u5b89\u5168\u8865\u4e01\u548c\u66f4\u65b0\u53ef\u4ee5\u4fee\u590d\u5df2\u77e5\u6f0f\u6d1e\uff0c\u5e76\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u66f4\u65b0 Ubuntu \u7cfb\u7edf\u4e0a\u7684\u8f6f\u4ef6\u5305\uff1a<\/p>\n<pre><code>sudo apt update\nsudo apt upgrade<\/code><\/pre>\n<p>\u8fd9\u5c06\u66f4\u65b0\u7cfb\u7edf\u4e0a\u7684\u6240\u6709\u8f6f\u4ef6\u5305\u5230\u6700\u65b0\u7248\u672c\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-AjPzwtaXPx\">\u603b\u7ed3<\/h2>\n<p>\u901a\u8fc7\u4f7f\u7528\u7aef\u53e3\u6572\u51fb\u9690\u85cf\u670d\u52a1\uff0c\u60a8\u53ef\u4ee5\u589e\u52a0\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u51cf\u5c11\u6f5c\u5728\u653b\u51fb\u7684\u98ce\u9669\u3002\u4fee\u6539 SSH \u9ed8\u8ba4\u7aef\u53e3\u3001\u4f7f\u7528\u7aef\u53e3\u6572\u51fb\u9690\u85cf\u5176\u4ed6\u670d\u52a1\u3001\u4f7f\u7528\u9632\u706b\u5899\u9650\u5236\u8bbf\u95ee\u4ee5\u53ca\u5b9a\u671f\u66f4\u65b0\u548c\u5347\u7ea7\u670d\u52a1\u5668\u90fd\u662f\u4fdd\u62a4\u670d\u52a1\u5668\u5b89\u5168\u7684\u91cd\u8981\u7b56\u7565\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u53ef\u9760\u7684\u670d\u52a1\u5668\u63d0\u4f9b\u5546\uff0c\u540e\u6d6a\u4e91\u662f\u60a8\u7684\u9996\u9009\u3002\u540e\u6d6a\u4e91\u63d0\u4f9b\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u548c\u4e91\u670d\u52a1\u5668\u7b49\u591a\u79cd\u4ea7\u54c1\uff0c\u4e3a\u60a8\u63d0\u4f9b\u9ad8\u6027\u80fd\u548c\u5b89\u5168\u7684\u670d\u52a1\u5668\u89e3\u51b3\u65b9\u6848\u3002\u60a8\u53ef\u4ee5\u8bbf\u95ee<a href=\"https:\/\/idc.net\">\u540e\u6d6a\u4e91\u5b98\u7f51<\/a>\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4f7f\u7528\u7aef\u53e3\u6572\u51fb\u9690\u85cf\u670d\u52a1 Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4f7f\u7528\u7aef\u53e3\u6572\u51fb\u9690\u85cf\u670d\u52a1 \u5728 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-211635","post","type-post","status-publish","format-standard","hentry","category-centos"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/211635","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=211635"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/211635\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=211635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=211635"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=211635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}