{"id":2490,"date":"2022-12-17T23:54:58","date_gmt":"2022-12-17T15:54:58","guid":{"rendered":"https:\/\/199604.com\/?p=2490"},"modified":"2022-12-17T23:54:58","modified_gmt":"2022-12-17T15:54:58","slug":"linux%e5%85%b3%e9%97%adusedns%e6%9d%a5%e8%a7%a3%e5%86%b3ssh%e5%ae%a2%e6%88%b7%e7%ab%af%e7%99%bb%e5%bd%95%e6%85%a2%e7%9a%84%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/199604.com\/2490","title":{"rendered":"Linux\u5173\u95edUseDNS\u6765\u89e3\u51b3SSH\u5ba2\u6237\u7aef\u767b\u5f55\u6162\u7684\u95ee\u9898"},"content":{"rendered":"<h1>Linux\u5173\u95edUseDNS\u6765\u89e3\u51b3SSH\u5ba2\u6237\u7aef\u767b\u5f55\u6162\u7684\u95ee\u9898<\/h1>\n<p>\u6bcf\u6b21\u767b\u5f55SSH\u65f6\u603b\u662f\u8981\u505c\u987f\u7b49\u5f85\u4e00\u4f1a\u513f\u624d\u80fd\u8fde\u63a5\u4e0a\uff0c\u8fd9\u662f\u56e0\u4e3aOpenSSH\u670d\u52a1\u5668\u6709\u4e00\u4e2aDNS\u67e5\u627e\u9009\u9879UseDNS\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f\u6253\u5f00\u7684\uff1b\u5e73\u65f6\u6211\u4eec\u90fd\u662f\u52a8\u6001 IP\u4e0d\u4f1a\u6709PTR\u8bb0\u5f55\uff0c\u6240\u4ee5\u6253\u5f00\u6b64\u9009\u9879\u4e5f\u6ca1\u6709\u592a\u591a\u4f5c\u7528\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5173\u95ed\u6b64\u529f\u80fd\u6765\u63d0\u9ad8\u8fde\u63a5 OpenSSH \u670d\u52a1\u5668\u7684\u901f\u5ea6\u3002<\/p>\n<h2>\u89e3\u51b3\u529e\u6cd5\uff1a<\/h2>\n<p>\u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<code>\/etc\/ssh\/sshd_config<\/code>\uff0c\u6dfb\u52a0\u4e00\u884c<code>UseDNS no<\/code>\u3002<\/p>\n<pre><code class=\"language-shell \"># vi \/etc\/ssh\/sshd_config\n\u627e\u5230\uff1a#UseDNS yes\n\u5728\u4e0b\u65b9\u8f93\u5165\uff1aUseDNS no\n<\/code><\/pre>\n<p>\u4fdd\u5b58\u9000\u51fa\u4f7f\u7528<code>systemctl restart sshd<\/code>\u91cd\u542fsshd\u670d\u52a1\u5373\u53ef\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux\u5173\u95edUseDNS\u6765\u89e3\u51b3SSH\u5ba2\u6237\u7aef\u767b\u5f55\u6162\u7684\u95ee\u9898 \u6bcf\u6b21\u767b\u5f55SSH\u65f6\u603b\u662f\u8981\u505c\u987f\u7b49\u5f85\u4e00\u4f1a\u513f\u624d\u80fd\u8fde\u63a5\u4e0a\uff0c\u8fd9\u662f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[70],"class_list":["post-2490","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-linux"],"_links":{"self":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts\/2490","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/comments?post=2490"}],"version-history":[{"count":1,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts\/2490\/revisions"}],"predecessor-version":[{"id":2491,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts\/2490\/revisions\/2491"}],"wp:attachment":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/media?parent=2490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/categories?post=2490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/tags?post=2490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}