{"id":6943,"date":"2021-08-01T08:44:00","date_gmt":"2021-08-01T00:44:00","guid":{"rendered":"https:\/\/www.ldhost.cn\/jc\/?p=6943"},"modified":"2021-07-28T13:46:25","modified_gmt":"2021-07-28T05:46:25","slug":"linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%bf%ae%e6%94%b9-ssh-%e7%ab%af%e5%8f%a3%e5%8f%8a%e5%af%b9%e5%ba%94%e7%9a%84%e9%98%b2%e7%81%ab%e5%a2%99%e8%ae%be%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/www.ldhost.cn\/jc\/linux\/6943.html","title":{"rendered":"linux\u670d\u52a1\u5668\u4fee\u6539 SSH \u7aef\u53e3\u53ca\u5bf9\u5e94\u7684\u9632\u706b\u5899\u8bbe\u7f6e"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u26a0\ufe0f\u4fee\u6539\u524d\u8bf7\u786e\u8ba4\u65b0\u7aef\u53e3\u672a\u88ab\u5360\u7528\uff0c\u4f8b\u5982&nbsp;<code>2333<\/code>&nbsp;\u53ef\u4f7f\u7528\uff1a<code>netstat -anp | grep \":2333\"<\/code>&nbsp;\u68c0\u67e5<br>\u26a0\ufe0f\u7aef\u53e3\u907f\u514d\u4f7f\u7528\u5e38\u89c1\u670d\u52a1\u7aef\u53e3\uff0c\u4f8b\u5982\uff1a<code>21, 80, 443, 3306<\/code><\/p><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u4fee\u6539-ssh-\u7aef\u53e3\">\u4fee\u6539 SSH \u7aef\u53e3<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.ldhost.cn\/vps.html\" target=\"_blank\" rel=\"noreferrer noopener\">\u670d\u52a1\u5668<\/a>\u4fee\u6539 SSH \u7684\u7aef\u53e3<strong>\u5f88\u5927\u7a0b\u5ea6\u4e0a\u80fd\u675c\u7edd\u88ab\u9ed1\u5ba2\u626b\u63cf\uff0c<\/strong>\u589e\u52a0\u7cfb\u7edf\u7684\u5b89\u5168\u7cfb\u6570**\uff0c\u4e0b\u9762\u6559\u5927\u5bb6\u5982\u4f55\u4fee\u6539\u5e76\u5728\u00a0<code>iptables<\/code>\u00a0\u91cc\u5f00\u542f\u76f8\u5e94\u7684\u7aef\u53e3\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\u901a\u8fc7 SSH \u767b\u5165\uff0c\u5e76\u4fdd\u6301 SSH \u8fde\u63a5\u6301\u7eed<\/li><li>\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<code>vi \/etc\/ssh\/sshd_config<\/code><\/li><li>\u627e\u5230\u5e76\u4f7f\u7528\u952e\u76d8\u4e0b\u5bfc\u822a\u5230&nbsp;<code>#Port 22<\/code>&nbsp;\u884c\uff08\u8fd9\u91cc\u662f\u6807\u8bc6\u9ed8\u8ba4\u4f7f\u7528&nbsp;<code>22<\/code>&nbsp;\u7aef\u53e3\uff09<\/li><li>\u6309\u4e0b&nbsp;<code>i<\/code>&nbsp;\u4fee\u6539\u8be5\u884c\uff0c\u53bb\u6389&nbsp;<code>#<\/code>&nbsp;\u5e76\u5c06\u9ed8\u8ba4\u7684&nbsp;<code>22<\/code>&nbsp;\u4fee\u6539\u4e3a\u6240\u9700\u7684\u7aef\u53e3\uff08\u5efa\u8bae\u5927\u4e8e 1000\uff09<\/li><li>\u4fee\u6539\u540e\u6309\u4e0b&nbsp;<code>ESC<\/code>&nbsp;\u952e\uff0c\u7136\u540e\u8f93\u5165&nbsp;<code>:wq<\/code>&nbsp;\u56de\u8f66\u4fdd\u5b58\u5e76\u9000\u51fa<\/li><li><strong>\u8bf7\u7ee7\u7eed\u9605\u8bfb\u6dfb\u52a0\u9632\u706b\u5899\u4f8b\u5916<\/strong><\/li><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u6dfb\u52a0\u9632\u706b\u5899\u4f8b\u5916\">\u6dfb\u52a0\u9632\u706b\u5899\u4f8b\u5916<\/h2>\n\n\n\n<ol class=\"wp-block-list\"><li>\u5982\u679c\u4f60\u7684\u7cfb\u7edf\u4f7f\u7528&nbsp;<strong>UFW(Debian\/Ubuntu)<\/strong>:<code>sudo ufw allow 2333\/tcp <\/code>Copy<\/li><li>\u5982\u679c\u4f60\u7684\u7cfb\u7edf\u4f7f\u7528&nbsp;<strong>iptables(CentOS 6)<\/strong>:<code>iptables -A INPUT -m state --state NEW -m tcp -p tcp --dport 2333 -j ACCEPT service iptables save <\/code>Copy<\/li><li>\u5982\u679c\u4f60\u7684\u7cfb\u7edf\u4f7f\u7528&nbsp;<strong>firewall(CentOS 7)<\/strong>:<code>firewall-cmd --add-port=2333\/tcp --permanent firewall-cmd --reload <\/code>Copy<\/li><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u6d4b\u8bd5-ssh-\u7aef\u53e3\u662f\u5426\u53ef\u8bbf\u95ee\">\u6d4b\u8bd5 SSH \u7aef\u53e3\u662f\u5426\u53ef\u8bbf\u95ee<\/h2>\n\n\n\n<ol class=\"wp-block-list\"><li>\u91cd\u542f SSH \u670d\u52a1\uff1a<code>service sshd restart<\/code><\/li><li><strong>\u4fdd\u6301\u5f53\u524d SSH \u7ec8\u7aef\u53ef\u7528\uff0c\u5e76\u6253\u5f00\u65b0\u7684\u7ec8\u7aef<\/strong>\uff0c\u82e5\u65e0\u95ee\u9898\u6b64\u65f6\u5df2\u53ef\u4ee5\u4f7f\u7528&nbsp;<code>2333<\/code>&nbsp;\u4f5c\u4e3a SSH \u7aef\u53e3\u8fde\u5165\u3002<\/li><li><strong>\u82e5\u4f7f\u7528\u65b0\u7684\u7aef\u53e3\u65e0\u6cd5\u8fde\u5165\uff0c\u7acb\u5373\u53c2\u7167\u4fee\u6539 SSH \u7aef\u53e3\u6b65\u594f\u8fd8\u539f\u4e3a\u9ed8\u8ba4 22 \u7aef\u53e3\uff0c\u5e76\u68c0\u67e5\u95ee\u9898\u3002<\/strong><\/li><\/ol>\n<div><img decoding=\"async\" src=\"https:\/\/www.ldhost.cn\/images\/ad-845-3.png\" alt=\"\u56fe\u7247\u63cf\u8ff0\" \/><\/div>","protected":false},"excerpt":{"rendered":"<p>\u26a0\ufe0f\u4fee\u6539\u524d\u8bf7\u786e\u8ba4\u65b0\u7aef\u53e3\u672a\u88ab\u5360\u7528\uff0c\u4f8b\u5982&nbsp;2333&nbsp;\u53ef\u4f7f\u7528\uff1anetstat -anp | grep &#8220;:2333&#8221;&nbsp;\u68c0\u67e5\u26a0\ufe0f\u7aef\u53e3\u907f\u514d\u4f7f\u7528\u5e38\u89c1\u670d\u52a1\u7aef\u53e3\uff0c\u4f8b\u5982\uff1a21, 80, 443, 3306 \u4fee\u6539 SSH \u7aef\u53e3 \u670d\u52a1\u5668\u4fee\u6539 SSH \u7684\u7aef\u53e3\u5f88\u5927\u7a0b\u5ea6\u4e0a\u80fd\u675c\u7edd\u88ab\u9ed1\u5ba2\u626b\u63cf\uff0c\u589e\u52a0\u7cfb\u7edf\u7684\u5b89\u5168\u7cfb\u6570**\uff0c\u4e0b\u9762\u6559\u5927\u5bb6\u5982\u4f55\u4fee\u6539\u5e76\u5728\u00a0iptables\u00a0\u91cc\u5f00\u542f\u76f8\u5e94\u7684\u7aef\u53e3\uff1a \u901a\u8fc7 SSH \u767b\u5165\uff0c\u5e76\u4fdd\u6301 SSH \u8fde\u63a5\u6301\u7eed \u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1avi \/etc\/ssh\/sshd_config \u627e\u5230\u5e76\u4f7f\u7528\u952e\u76d8\u4e0b\u5bfc\u822a\u5230&nbsp;#Port 22&nbsp;\u884c\uff08\u8fd9\u91cc\u662f\u6807\u8bc6\u9ed8\u8ba4\u4f7f\u7528&nbsp;22&nbsp;\u7aef&#8230; <a href=\"https:\/\/www.ldhost.cn\/jc\/linux\/6943.html\" class=\"readmore\">\u9605\u8bfb\u5168\u6587<span class=\"screen-reader-text\">linux\u670d\u52a1\u5668\u4fee\u6539 SSH \u7aef\u53e3\u53ca\u5bf9\u5e94\u7684\u9632\u706b\u5899\u8bbe\u7f6e<\/span><span class=\"fa fa-angle-double-right\" aria-hidden=\"true\"><\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[96],"tags":[],"class_list":["post-6943","post","type-post","status-publish","format-standard","hentry","category-linux","content-layout-excerpt-thumb"],"_links":{"self":[{"href":"https:\/\/www.ldhost.cn\/jc\/wp-json\/wp\/v2\/posts\/6943","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ldhost.cn\/jc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ldhost.cn\/jc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ldhost.cn\/jc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ldhost.cn\/jc\/wp-json\/wp\/v2\/comments?post=6943"}],"version-history":[{"count":1,"href":"https:\/\/www.ldhost.cn\/jc\/wp-json\/wp\/v2\/posts\/6943\/revisions"}],"predecessor-version":[{"id":6944,"href":"https:\/\/www.ldhost.cn\/jc\/wp-json\/wp\/v2\/posts\/6943\/revisions\/6944"}],"wp:attachment":[{"href":"https:\/\/www.ldhost.cn\/jc\/wp-json\/wp\/v2\/media?parent=6943"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ldhost.cn\/jc\/wp-json\/wp\/v2\/categories?post=6943"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ldhost.cn\/jc\/wp-json\/wp\/v2\/tags?post=6943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}