{"id":18523,"date":"2025-04-19T00:57:10","date_gmt":"2025-04-18T16:57:10","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/18523.html"},"modified":"2025-04-19T00:57:10","modified_gmt":"2025-04-18T16:57:10","slug":"centos%e7%b1%bb%e5%9e%8b%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%ad%89%e4%bf%9d%e6%b5%8b%e8%af%84%e6%95%b4-etc-pam-d-system-auth","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/18523.html","title":{"rendered":"Centos\u7c7b\u578b\u670d\u52a1\u5668\u7b49\u4fdd\u6d4b\u8bc4\u6574\/etc\/pam.d\/system-auth"},"content":{"rendered":"<\/p>\n<p>\u4fee\u6539\u670d\u52a1\u5668\u914d\u7f6e\u6587\u4ef6\/etc\/pam.d\/system-auth&#xff0c;\u4f46\u662f&#xff0c;\u628a\u4e00\u4e0b\u914d\u7f6e\u653e\u5728password\u7684\u914d\u7f6e\u7b2c\u4e00\u884c\u624d\u4f1a\u751f\u6548<\/p>\n<li>\n<p>\u6267\u884c\u547d\u4ee4&#xff1a;\u914d\u7f6e\u53e3\u4ee4\u8981\u6c42&#xff1a;\u5927\u5c0f\u5199\u5b57\u6bcd\u3001\u6570\u5b57\u3001\u7279\u6b8a\u5b57\u7b26\u7ec4\u5408\u3001\u81f3\u5c118\u4f4d&#xff0c;\u5305\u62ec\u5f3a\u5236\u8bbe\u7f6eroot\u53e3\u4ee4&#xff01;<\/p>\n<\/li>\n<p>sed -i &#039;14a  password    requisite     pam_pwquality.so try_first_pass local_users_only retry&#061;3 authtok_type&#061; minlen&#061;8 lcredit&#061;-1 ucredit&#061;-1 dcredit&#061;-1 ocredit&#061;-1 difok&#061;5 enforce_for_root&#039; \/etc\/pam.d\/system-auth <\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418165706-68028462ef590.png\" \/><\/p>\n<li>\n<p>\u4fee\u6539\u914d\u7f6e\/etc\/login.defs\u6587\u4ef6&#xff08;\u6ce8&#xff1a;\u8fd9\u91cc\u6587\u4ef6\u914d\u7f6e\u672a\u80fd\u8fdb\u884c\u5f3a\u5236\u8981\u6c42&#xff0c;\u53ea\u80fd\u505a\u5f62\u5f0f\u4f7f\u7528&#xff09;<\/p>\n<\/li>\n<p>\u547d\u4ee4&#xff1a;<\/p>\n<p>sed -i &#039;s\/PASS_MIN_LEN.*$\/PASS_MIN_LEN    8\/g&#039; \/etc\/login.defs <\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418165707-680284635aead.png\" \/><\/p>\n<h3>\u914d\u7f6e\u53e3\u4ee4\u8fc7\u671f\u7b56\u7565<\/h3>\n<li>\n<p>\u4fee\u6539\u914d\u7f6e\/etc\/login.defs\u6587\u4ef6&#xff08;\u6ce8&#xff1a;\u8fd9\u91cc\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\u4ec5\u5bf9\u540e\u671f\u65b0\u5efa\u5f97\u8d26\u6237\u6709\u6548&#xff0c;root\u8d26\u6237\u65e0\u6548&#xff09;<\/p>\n<\/li>\n<p>sed -i &#039;s\/PASS_MAX_DAYS.*$\/PASS_MAX_DAYS   90\/g&#039; \/etc\/login.defs <\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418165707-680284637ee6f.png\" \/><\/p>\n<li>\n<p>root\u8d26\u6237\u53e3\u4ee4\u8fc7\u671f\u65b9\u6cd5&#xff0c;\u53ef\u53c2\u7167&#xff1a;<\/p>\n<\/li>\n<p>Linux \u6b63\u786e\u4fee\u6539\u8d26\u6237\u7684\u8fc7\u671f\u65f6\u95f4_pass_max_days 90-CSDN\u535a\u5ba2<\/p>\n<p>\u4f7f\u7528\u7684\u547d\u4ee4&#xff1a;<\/p>\n<p>chage -M 90 root <\/p>\n<h3>\u914d\u7f6e\u767b\u5f55\u5931\u8d25\u5904\u7406\u7b56\u7565<\/h3>\n<li>\n<p>\u4fee\u6539\u914d\u7f6e\u6587\u4ef6&#xff1a;\/etc\/pam.d\/sshd&#xff0c;\u8be5\u914d\u7f6e\u4ec5\u5bf9\u91c7\u7528SSH\u534f\u8bae\u767b\u5f55\u7684\u65b9\u5f0f\u6709\u6548<\/p>\n<\/li>\n<p>\u8868\u793a&#xff1a;\u767b\u5f55\u5931\u8d255\u6b21\u9501\u5b9a\u8d26\u623730\u5206\u949f&#xff01;<\/p>\n<p>sed -i &#039;1a auth       required     pam_tally2.so deny&#061;5 unlock_time&#061;1800 even_deny_root root_unlock_time&#061;1800&#039; \/etc\/pam.d\/sshd  <\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418165707-68028463d9a0e.png\" \/><\/p>\n<\/p>\n<li>\n<p>\u4fee\u6539\u914d\u7f6e\u6587\u4ef6&#xff1a;\/etc\/pam.d\/system-auth&#xff0c;\u8be5\u914d\u7f6e\u662f\u5bf9sudo [\u8d26\u6237]\u767b\u5f55\u65b9\u5f0f\u6709\u6548&#xff0c;<\/p>\n<\/li>\n<p>\u8868\u793a&#xff1a;\u767b\u5f55\u5931\u8d255\u6b21\u9501\u5b9a\u8d26\u623730\u5206\u949f&#xff01;<\/p>\n<p>sed -i &#039;3a auth        required      pam_tally2.so deny&#061;5 unlock_time&#061;1800 even_deny_root root_unlock_time&#061;1800&#039; \/etc\/pam.d\/system-auth <\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418165708-680284645eb0a.png\" \/><\/p>\n<li>\n<p>\u5176\u5b9e\u767b\u5f55\u5931\u8d25\u8fd8\u9700\u8981\u66f4\u6539\u4e00\u4e2a\u6587\u4ef6&#xff0c;\u4f46\u4e0d\u5efa\u8bae&#xff0c;\u8be5\u6587\u4ef6\u4e3a\u9650\u5236\u7ec8\u7aef\u754c\u9762\u7684\u64cd\u4f5c\u767b\u5f55\u5931\u8d25\u5904\u7406\u7b56\u7565&#xff01;\u5b9e\u9645\u8fd0\u7ef4\u4e2d&#xff0c;\u5747\u662f\u91c7\u7528SSH\u534f\u8bae\u3001sudo\u65b9\u5f0f\u8fdb\u884c\u767b\u5f55\u670d\u52a1\u5668&#xff0c;\u5982\u4fee\u6539\u8be5\u914d\u7f6e&#xff0c;\u51fa\u73b0\u95ee\u9898&#xff0c;\u65e0\u6cd5\u4f7f\u7528\u64cd\u4f5c\u754c\u9762\u767b\u5f55\u670d\u52a1\u5668&#xff01;<\/p>\n<\/li>\n<p>\u4fee\u6539\u914d\u7f6e\u6587\u4ef6&#xff1a;\/etc\/pam.d\/login<\/p>\n<p>sed -i &#039;2a auth       required pam_tally2.so deny&#061;5 unlock_time&#061;1800 even_deny_root root_unlock_time&#061;1800&#039; \/etc\/pam.d\/login <\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418165708-68028464c12de.png\" \/><\/p>\n<h3>\u4fee\u6539\u65e5\u5fd7\u914d\u7f6e&#xff0c;\u4fdd\u8bc1\u81f3\u5c11\u516d\u4e2a\u6708\u5b58\u50a8\u65f6\u95f4<\/h3>\n<p>\u547d\u4ee4&#xff0c;\u4f46\u8fd9\u79cd\u914d\u7f6e\u4e0d\u5408\u7406&#xff0c;\u5c3d\u91cf\u5b9a\u671f\u5907\u4efd&#xff0c;\u6216\u8005\u642d\u5efa\u65e5\u5fd7\u670d\u52a1\u5668\u5b9e\u65f6\u6536\u96c6\u65e5\u5fd7&#xff01;&#xff08;\u6ce8&#xff1a;\u5907\u4efd\u811a\u672c\u8bf7\u53c2\u8003&#xff1a;\u7b49\u4fdd2.0\u4e4bLinux\u7cfb\u7edf\u65e5\u5fd7\u5907\u4efd_linux\u5ba1\u8ba1\u8bb0\u5f55\u4fdd\u5b58180\u5929-CSDN\u535a\u5ba2&#xff09;<\/p>\n<p>sed -i &#039;s\/rotate.*$\/rotate 30\/g&#039; \/etc\/logrotate.conf <\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418165709-6802846507eaa.png\" \/><\/p>\n<h3>\u4fee\u6539\u654f\u611f\u4fe1\u606f\u6cc4\u9732\u4e0e\u767b\u5f55\u8d85\u65f6\u81ea\u52a8\u9000\u51fa\u7b56\u7565<\/h3>\n<li>\n<p>\u4fee\u6539\u654f\u611f\u4fe1\u606f\u6cc4\u9732<\/p>\n<\/li>\n<p>sed -i &#039;s\/HISTSIZE&#061;.*$\/HISTSIZE&#061;0\/g&#039; \/etc\/profile <\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418165709-680284656470d.png\" \/><\/p>\n<\/p>\n<li>\n<p>\u767b\u5f55\u8d85\u65f610\u5206\u949f\u65e0\u64cd\u4f5c\u81ea\u52a8\u9000\u51fa<\/p>\n<\/li>\n<p>echo &#034;export TMOUT&#061;600&#034; &gt;&gt; \/etc\/profile <\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418165709-680284659e2ae.png\" \/><\/p>\n<li>\n<p>\u66f4\u65b0\/etc\/profile\u6587\u4ef6&#xff0c;\u624d\u4f1a\u751f\u6548<\/p>\n<\/li>\n<p>source \/etc\/profile <\/p>\n<h3>\u6743\u9650\u5206\u914d&#xff1a;\u53ef\u4ee5\u65b0\u5efa\u4e24\u4e2a\u8d26\u6237&#xff0c;\u65e0\u5f3a\u5236\u56fa\u5b9a\u6743\u9650\u8bf4\u6cd5<\/h3>\n<p>  echo &#034;Aa1&#064;#3456789qazwsx&#034;|passwd &#8211;stdin audit<br \/>\n  echo &#034;Aa1&#064;#78903456qazwsx&#034;|passwd &#8211;stdin operater <\/p>\n<h3><\/h3>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1k\u6b21\uff0c\u70b9\u8d5e16\u6b21\uff0c\u6536\u85cf13\u6b21\u3002\u4fee\u6539\u670d\u52a1\u5668\/etc\/pam.d\/system-auth\uff0c\u4f46\u662f\uff0c\u628a\u4e00\u4e0b\u914d\u7f6e\u653e\u5728\u7684\u914d\u7f6e\u624d\u4f1a\u751f\u6548\u6267\u884c\u547d\u4ee4\uff1a\u914d\u7f6e\u53e3\u4ee4\u8981\u6c42\uff1a\u5927\u5c0f\u5199\u5b57\u6bcd\u3001\u6570\u5b57\u3001\u7279\u6b8a\u5b57\u7b26\u7ec4\u5408\u3001\u81f3\u5c118\u4f4d\uff0c\u5305\u62ec\u5f3a\u5236\u8bbe\u7f6eroot\u53e3\u4ee4\uff01\u4fee\u6539\u914d\u7f6e\/etc\/login.defs\u6587\u4ef6\uff08\u6ce8\uff1a\u8fd9\u91cc\u6587\u4ef6\u914d\u7f6e\u672a\u80fd\u8fdb\u884c\u5f3a\u5236\u8981\u6c42\uff0c\u53ea\u80fd\u505a\u5f62\u5f0f\u4f7f\u7528\uff09_centos\u670d\u52a1\u5668\u7b49\u4fdd\u6d4b\u8bc4<\/p>\n","protected":false},"author":2,"featured_media":18514,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[92,99,58,87],"topic":[],"class_list":["post-18523","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-github","tag-java","tag-linux","tag-87"],"yoast_head":"<!-- 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