{"id":211645,"date":"2023-12-22T11:25:24","date_gmt":"2023-12-22T03:25:24","guid":{"rendered":"https:\/\/www.idc.net\/help\/211645\/"},"modified":"2023-12-22T11:25:24","modified_gmt":"2023-12-22T03:25:24","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%e7%a1%ae%e4%bf%9d%e6%89%80%e6%9c%89%e8%b4%a6%e6%88%b7%e9%83%bd%e6%9c%89%e5%af%86%e7%a0%81","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/211645\/","title":{"rendered":"Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u786e\u4fdd\u6240\u6709\u8d26\u6237\u90fd\u6709\u5bc6\u7801"},"content":{"rendered":"Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u786e\u4fdd\u6240\u6709\u8d26\u6237\u90fd\u6709\u5bc6\u7801<\/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%e7%a1%ae%e4%bf%9d%e6%89%80%e6%9c%89%e8%b4%a6%e6%88%b7%e9%83%bd%e6%9c%89%e5%af%86%e7%a0%81-wlGnPYgDUL\">Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u786e\u4fdd\u6240\u6709\u8d26\u6237\u90fd\u6709\u5bc6\u7801<\/h1>\n<p>\u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u786e\u4fdd\u6240\u6709\u8d26\u6237\u90fd\u6709\u5bc6\u7801\u662f\u4e00\u9879\u91cd\u8981\u7684\u5b89\u5168\u7b56\u7565\u3002\u5bc6\u7801\u662f\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u672a\u7ecf\u6388\u6743\u8bbf\u95ee\u7684\u7b2c\u4e00\u9053\u9632\u7ebf\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u6280\u5de7\u548c\u6700\u4f73\u5b9e\u8df5\uff0c\u4ee5\u786e\u4fdd\u6240\u6709\u8d26\u6237\u90fd\u6709\u5bc6\u7801\u3002<\/p>\n<h2 id=\"1-%e5%88%9b%e5%bb%ba%e5%bc%ba%e5%af%86%e7%a0%81%e7%ad%96%e7%95%a5-wlGnPYgDUL\">1. \u521b\u5efa\u5f3a\u5bc6\u7801\u7b56\u7565<\/h2>\n<p>\u521b\u5efa\u4e00\u4e2a\u5f3a\u5bc6\u7801\u7b56\u7565\u662f\u786e\u4fdd\u6240\u6709\u8d26\u6237\u90fd\u6709\u5b89\u5168\u5bc6\u7801\u7684\u7b2c\u4e00\u6b65\u3002\u5f3a\u5bc6\u7801\u5e94\u8be5\u5305\u542b\u81f3\u5c118\u4e2a\u5b57\u7b26\uff0c\u5305\u62ec\u5927\u5199\u5b57\u6bcd\u3001\u5c0f\u5199\u5b57\u6bcd\u3001\u6570\u5b57\u548c\u7279\u6b8a\u5b57\u7b26\u3002\u53ef\u4ee5\u4f7f\u7528\u5bc6\u7801\u751f\u6210\u5668\u6765\u751f\u6210\u968f\u673a\u4e14\u5b89\u5168\u7684\u5bc6\u7801\u3002<\/p>\n<p>\u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u5bc6\u7801\u7b56\u7565\u6587\u4ef6\u6765\u8bbe\u7f6e\u5f3a\u5bc6\u7801\u7b56\u7565\u3002\u6253\u5f00\/etc\/login.defs\u6587\u4ef6\uff0c\u5e76\u627e\u5230\u4ee5\u4e0b\u884c\uff1a<\/p>\n<p><code># Password aging controls:<\/code><br \/>\n<code>PASS_MAX_DAYS 99999<\/code><br \/>\n<code>PASS_MIN_DAYS 0<\/code><br \/>\n<code>PASS_WARN_AGE 7<\/code><\/p>\n<p>\u5c06PASS_MIN_DAYS\u7684\u503c\u8bbe\u7f6e\u4e3a1\uff0c\u8fd9\u6837\u7528\u6237\u5c06\u88ab\u8981\u6c42\u5728\u5bc6\u7801\u8fc7\u671f\u524d\u81f3\u5c11\u66f4\u6539\u4e00\u6b21\u5bc6\u7801\u3002\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8c03\u6574\u5176\u4ed6\u503c\u3002<\/p>\n<h2 id=\"2-%e7%a6%81%e7%94%a8%e7%a9%ba%e5%af%86%e7%a0%81-wlGnPYgDUL\">2. \u7981\u7528\u7a7a\u5bc6\u7801<\/h2>\n<p>\u7981\u7528\u7a7a\u5bc6\u7801\u662f\u786e\u4fdd\u6240\u6709\u8d26\u6237\u90fd\u6709\u5bc6\u7801\u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u6b65\u9aa4\u3002\u7a7a\u5bc6\u7801\u610f\u5473\u7740\u6ca1\u6709\u5bc6\u7801\uff0c\u8fd9\u4f7f\u5f97\u670d\u52a1\u5668\u5bb9\u6613\u53d7\u5230\u672a\u7ecf\u6388\u6743\u8bbf\u95ee\u7684\u653b\u51fb\u3002<\/p>\n<p>\u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u53ef\u4ee5\u901a\u8fc7\u7f16\u8f91\/etc\/ssh\/sshd_config\u6587\u4ef6\u6765\u7981\u7528\u7a7a\u5bc6\u7801\u767b\u5f55\u3002\u627e\u5230\u4ee5\u4e0b\u884c\uff1a<\/p>\n<p><code>#PermitEmptyPasswords no<\/code><\/p>\n<p>\u5c06\u6ce8\u91ca\u7b26\u53f7(#)\u5220\u9664\uff0c\u5e76\u5c06no\u6539\u4e3ayes\uff0c\u7136\u540e\u4fdd\u5b58\u6587\u4ef6\u3002\u91cd\u542fSSH\u670d\u52a1\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\u3002<\/p>\n<h2 id=\"3-%e5%ae%9a%e6%9c%9f%e6%9b%b4%e6%94%b9%e5%af%86%e7%a0%81-wlGnPYgDUL\">3. \u5b9a\u671f\u66f4\u6539\u5bc6\u7801<\/h2>\n<p>\u5b9a\u671f\u66f4\u6539\u5bc6\u7801\u662f\u786e\u4fdd\u6240\u6709\u8d26\u6237\u90fd\u6709\u5bc6\u7801\u7684\u5173\u952e\u63aa\u65bd\u4e4b\u4e00\u3002\u5b9a\u671f\u66f4\u6539\u5bc6\u7801\u53ef\u4ee5\u9632\u6b62\u5bc6\u7801\u88ab\u731c\u6d4b\u6216\u7834\u89e3\u3002<\/p>\n<p>\u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528passwd\u547d\u4ee4\u6765\u66f4\u6539\u7528\u6237\u5bc6\u7801\u3002\u4f8b\u5982\uff0c\u8981\u66f4\u6539\u7528\u6237\"username\"\u7684\u5bc6\u7801\uff0c\u53ef\u4ee5\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<p><code>passwd username<\/code><\/p>\n<p>\u7cfb\u7edf\u5c06\u63d0\u793a\u60a8\u8f93\u5165\u65b0\u5bc6\u7801\u5e76\u786e\u8ba4\u5bc6\u7801\u3002\u786e\u4fdd\u7528\u6237\u77e5\u9053\u4ed6\u4eec\u7684\u5bc6\u7801\u5df2\u66f4\u6539\uff0c\u5e76\u63d0\u9192\u4ed6\u4eec\u5b9a\u671f\u66f4\u6539\u5bc6\u7801\u3002<\/p>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8%e5%a4%9a%e5%9b%a0%e7%b4%a0%e8%ba%ab%e4%bb%bd%e9%aa%8c%e8%af%81-wlGnPYgDUL\">4. \u4f7f\u7528\u591a\u56e0\u7d20\u8eab\u4efd\u9a8c\u8bc1<\/h2>\n<p>\u4f7f\u7528\u591a\u56e0\u7d20\u8eab\u4efd\u9a8c\u8bc1\u662f\u786e\u4fdd\u6240\u6709\u8d26\u6237\u90fd\u6709\u5bc6\u7801\u7684\u9ad8\u7ea7\u5b89\u5168\u63aa\u65bd\u3002\u591a\u56e0\u7d20\u8eab\u4efd\u9a8c\u8bc1\u8981\u6c42\u7528\u6237\u63d0\u4f9b\u4e24\u4e2a\u6216\u591a\u4e2a\u4e0d\u540c\u7c7b\u578b\u7684\u8eab\u4efd\u9a8c\u8bc1\u56e0\u7d20\uff0c\u4f8b\u5982\u5bc6\u7801\u548c\u6307\u7eb9\u8bc6\u522b\u3002<\/p>\n<p>\u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528Google Authenticator\u7b49\u5de5\u5177\u6765\u5b9e\u73b0\u591a\u56e0\u7d20\u8eab\u4efd\u9a8c\u8bc1\u3002\u8fd9\u4e9b\u5de5\u5177\u751f\u6210\u4e00\u4e2a\u4e34\u65f6\u7684\u9a8c\u8bc1\u7801\uff0c\u7528\u6237\u9700\u8981\u5728\u767b\u5f55\u65f6\u63d0\u4f9b\u8be5\u9a8c\u8bc1\u7801\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-wlGnPYgDUL\">\u603b\u7ed3<\/h2>\n<p>\u901a\u8fc7\u521b\u5efa\u5f3a\u5bc6\u7801\u7b56\u7565\uff0c\u7981\u7528\u7a7a\u5bc6\u7801\uff0c\u5b9a\u671f\u66f4\u6539\u5bc6\u7801\u548c\u4f7f\u7528\u591a\u56e0\u7d20\u8eab\u4efd\u9a8c\u8bc1\uff0c\u53ef\u4ee5\u786e\u4fdd\u6240\u6709\u8d26\u6237\u90fd\u6709\u5bc6\u7801\uff0c\u5e76\u63d0\u9ad8Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n<p>\u540e\u6d6a\u4e91\u63d0\u4f9b\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u548c\u4e91\u670d\u52a1\u5668\u7b49\u4ea7\u54c1\uff0c\u662f\u60a8\u4fdd\u62a4\u670d\u52a1\u5668\u5b89\u5168\u7684\u9996\u9009\u3002\u60a8\u53ef\u4ee5\u5728<a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/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\u786e\u4fdd\u6240\u6709\u8d26\u6237\u90fd\u6709\u5bc6\u7801 Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u786e\u4fdd\u6240\u6709\u8d26\u6237\u90fd\u6709\u5bc6\u7801 \u5728 […]<\/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-211645","post","type-post","status-publish","format-standard","hentry","category-centos"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/211645","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=211645"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/211645\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=211645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=211645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=211645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}