{"id":26,"date":"2023-06-05T13:00:26","date_gmt":"2023-06-05T05:00:26","guid":{"rendered":"http:\/\/pro369.com\/php\/?p=26"},"modified":"2019-07-08T12:12:00","modified_gmt":"2019-07-08T12:12:00","slug":"mysql%e8%b3%87%e6%96%99%e5%ba%ab%e7%9a%84%e5%ae%89%e5%85%a8%e9%98%b2%e8%ad%b7%ef%bc%88%e8%b3%87%e6%96%99%e5%ba%ab%e5%ae%89%e5%85%a8%e6%8a%80%e8%a1%93%ef%bc%89","status":"publish","type":"post","link":"https:\/\/por.tw\/php\/mysql%e8%b3%87%e6%96%99%e5%ba%ab%e7%9a%84%e5%ae%89%e5%85%a8%e9%98%b2%e8%ad%b7%ef%bc%88%e8%b3%87%e6%96%99%e5%ba%ab%e5%ae%89%e5%85%a8%e6%8a%80%e8%a1%93%ef%bc%89\/","title":{"rendered":"MySQL\u8cc7\u6599\u5eab\u7684\u5b89\u5168\u9632\u8b77\uff08\u8cc7\u6599\u5eab\u5b89\u5168\u6280\u8853\uff09"},"content":{"rendered":"

MySQL\u8cc7\u6599\u5eab\u7684\u5b89\u5168\u9632\u8b77\uff08\u8cc7\u6599\u5eab\u5b89\u5168\u6280\u8853\uff09<\/strong><\/font><\/p>\n

\u8cc7\u6599\u5eab\u662f\u7db2\u7ad9\u6240\u6709\u8cc7\u6599\u5beb\u5165\u7684\u5b58\u653e\u4e4b\u8655<\/font>
\u842c\u4e00\u8cc7\u6599\u5eab\u88ab\u99ed\u5ba2\u653b\u64ca\u6216\u76dc\u53d6\u8cc7\u6599\uff0c\u90a3\u5f8c\u679c\u6703\u975e\u5e38\u56b4\u91cd\uff01<\/font>
\u6240\u4ee5\u4f7f\u7528\u8cc7\u6599\u5eab\uff0c\u5b89\u5168\u554f\u984c\u4e0d\u80fd\u4e0d\u6ce8\u610f\u3002<\/font>\uff08\u4e0d\u6b62MySQL\u8cc7\u6599\u5eab\uff0c\u5176\u4ed6\u8cc7\u6599\u5eab\u4e5f\u4e00\u6a23\u66f4\u8a72\u6ce8\u610f\uff09<\/font><\/p>\n

\u4ee5\u4e0b\u662fmysql\u61c9\u8a72\u6ce8\u610f\u7684\u5b89\u5168\u9632\u8b77\u4e8b\u9805\uff1a<\/font><\/strong><\/p>\n

1.\u5982\u679c\u7528\u6236\u7aef\u548c\u4f3a\u670d\u5668\u7aef\u7684\u9023\u7dda\u9700\u8981\u8de8\u8d8a\u4e26\u901a\u904e\u4e0d\u53ef\u4fe1\u4efb\u7684\u7db2\u8def\uff0c\u90a3\u9ebc\u5c31\u9700\u8981\u4f7f\u7528ssh\u96a7\u9053\u4f86\u52a0\u5bc6\u8a72\u9023\u7dda\u7684\u901a\u4fe1\u3002<\/p>\n

2.\u7528set password\u8a9e\u53e5\u4f86\u4fee\u6539\u4f7f\u7528\u8005\u7684\u5bc6\u78bc\uff0c\u4e09\u500b\u6b65\u9a5f\uff0c\u5148\u300cmysql -u root\u300d\u767b\u9678\u8cc7\u6599\u5eab\u7cfb\u7d71\uff0c\u7136\u5f8c\u300cmysql> update mysql.user set password=password('newpwd')\u300d\uff0c\u6700\u5f8c\u57f7\u884c\u300cflush privileges\u300d\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n

3.\u9700\u8981\u63d0\u9632\u7684\u653b\u64ca\u6709\uff0c\u9632\u5077\u807d\u3001\u7be1\u6539\u3001\u91cd\u64ad\u3001\u62d2\u7d55\u670d\u52d9\u7b49\uff0c\u4e0d\u6d89\u53ca\u53ef\u7528\u6027\u548c\u5bb9\u932f\u65b9\u9762\u3002\u5c0d\u6240\u6709\u7684\u9023\u7dda\u3001\u67e5\u8a62\u3001\u5176\u4ed6\u64cd\u4f5c\u4f7f\u7528\u57fa\u65bcacl\u5373\u8a2a\u554f\u63a7\u5236\u6e05\u55ae\u7684\u5b89\u5168\u63aa\u65bd\u4f86\u5b8c\u6210\u3002\u4e5f\u6709\u4e00\u4e9b\u5c0dssl\u9023\u7dda\u7684\u652f\u63f4\u3002<\/p>\n

4.\u9664\u4e86root\u4f7f\u7528\u8005\u5916\u7684\u5176\u4ed6\u4efb\u4f55\u4f7f\u7528\u8005\u4e0d\u5bb9\u8a31\u8a2a\u554fmysql\u4e3b\u8cc7\u6599\u5eab\u4e2d\u7684user\u8868;<\/p>\n

\u52a0\u5bc6\u5f8c\u5b58\u653e\u5728user\u8868\u4e2d\u7684\u52a0\u5bc6\u5f8c\u7684\u4f7f\u7528\u8005\u5bc6\u78bc\u4e00\u65e6\u6d29\u9732\uff0c\u5176\u4ed6\u4eba\u53ef\u4ee5\u96a8\u610f\u7528\u8a72\u4f7f\u7528\u8005\u540d\/\u5bc6\u78bc\u76f8\u61c9\u7684\u8cc7\u6599\u5eab;<\/p>\n

5.\u7528grant\u548crevoke\u8a9e\u53e5\u4f86\u9032\u884c\u4f7f\u7528\u8005\u8a2a\u554f\u63a7\u5236\u7684\u5de5\u4f5c;<\/p>\n

6.\u4e0d\u4f7f\u7528\u660e\u6587\u5bc6\u78bc\uff0c\u800c\u662f\u4f7f\u7528md5()\u548csha1()\u7b49\u55ae\u5411\u7684\u54c8\u7cfb\u51fd\u6578\u4f86\u8a2d\u5b9a\u5bc6\u78bc;<\/p>\n

7.\u4e0d\u9078\u7528\u5b57\u5178\u4e2d\u7684\u5b57\u4f86\u505a\u5bc6\u78bc;<\/p>\n

8.\u63a1\u7528\u9632\u706b\u7246\u4f86\u53bb\u638950%\u7684\u5916\u90e8\u5371\u96aa\uff0c\u8b93\u8cc7\u6599\u5eab\u7cfb\u7d71\u8eb2\u5728\u9632\u706b\u7246\u5f8c\u9762\u5de5\u4f5c\uff0c\u6216\u653e\u7f6e\u5728dmz\u5340\u529f\u80fd\u8b8a\u6578\u4e2d;<\/p>\n

9.\u5f9e\u7db2\u969b\u7db2\u8def\u4e0a\u7528nmap\u4f86\u6383\u77843306\u9023\u63a5\u57e0\uff0c\u4e5f\u53ef\u7528telnet server_host 3306\u7684\u65b9\u6cd5\u6e2c\u8a66\uff0c\u4e0d\u80fd\u5bb9\u8a31\u5f9e\u975e\u4fe1\u4efb\u7db2\u8def\u4e2d\u8a2a\u554f\u8cc7\u6599\u5eab\u4f3a\u670d\u5668\u76843306\u865ftcp\u9023\u63a5\u57e0\uff0c\u56e0\u6b64\u9700\u8981\u5728\u9632\u706b\u7246\u6216\u8def\u7531\u5668\u4e0a\u505a\u8a2d\u5b9a;<\/p>\n

10.\u70ba\u4e86\u9632\u6b62\u88ab\u60e1\u610f\u50b3\u5165\u975e\u6cd5\u53c3\u6578\uff0c\u4f8b\u5982where id=234\uff0c\u5225\u4eba\u537b\u8f38\u5165where id=234 or 1=1\u5c0e\u81f4\u5168\u90e8\u986f\u793a\uff0c\u6240\u4ee5\u5728web\u7684\u8868\u55ae\u4e2d\u4f7f\u7528''\u6216""\u4f86\u7528\u5b57\u4e32\uff0c\u5728\u52d5\u614burl\u4e2d\u52a0\u5165%22\u4ee3\u8868\u96d9\u5f15\u865f\u3001%23\u4ee3\u8868\u4e95\u865f\u3001%27\u4ee3\u8868\u55ae\u5f15\u865f;\u50b3\u905e\u672a\u6aa2\u67e5\u904e\u7684\u503c\u7d66mysql\u8cc7\u6599\u5eab\u662f\u975e\u5e38\u5371\u96aa\u7684;<\/p>\n

11.\u5728\u50b3\u905e\u8cc7\u6599\u7d66mysql\u6642\u6aa2\u67e5\u4e00\u4e0b\u5927\u5c0f;<\/p>\n

12.\u61c9\u7528\u7a0b\u5f0f\u9700\u8981\u9023\u7dda\u5230\u8cc7\u6599\u5eab\u61c9\u8a72\u4f7f\u7528\u4e00\u822c\u7684\u4f7f\u7528\u8005\u5e33\u865f\uff0c\u53ea\u958b\u653e\u5c11\u6578\u5fc5\u8981\u7684\u6b0a\u9650\u7d66\u8a72\u4f7f\u7528\u8005;<\/p>\n

13.\u5728\u5404\u5beb\u7a0b\u5f0f\u4ecb\u9762(c c++ php perl java jdbc\u7b49)\u4e2d\u4f7f\u7528\u7279\u5b9a\u300e\u9003\u812b\u5b57\u5143\u300f\u51fd\u6578;<\/p>\n

\u5728\u7db2\u969b\u7db2\u8def\u4e0a\u4f7f\u7528mysql\u8cc7\u6599\u5eab\u6642\u4e00\u5b9a\u5c11\u7528\u50b3\u8f38\u660e\u6587\u7684\u8cc7\u6599\uff0c\u800c\u7528ssl\u548cssh\u7684\u52a0\u5bc6\u6a21\u5f0f\u8cc7\u6599\u4f86\u50b3\u8f38;<\/p>\n

14.\u5b78\u6703\u4f7f\u7528tcpdump\u548cstrings\u5de5\u5177\u4f86\u6aa2\u8996\u50b3\u8f38\u8cc7\u6599\u7684\u5b89\u5168\u6027\uff0c\u4f8b\u5982tcpdump -l -i eth0 -w -src or dst port 3306 strings\u3002\u4ee5\u666e\u901a\u4f7f\u7528\u8005\u4f86\u555f\u52d5mysql\u8cc7\u6599\u5eab\u670d\u52d9;<\/p>\n

15.\u4e0d\u4f7f\u7528\u5230\u8868\u7684\u806f\u7d50\u7b26\u865f\uff0c\u9078\u7528\u7684\u53c3\u6578 –skip-symbolic-links;<\/p>\n

16.\u78ba\u4fe1\u5728mysql\u76ee\u9304\u4e2d\u53ea\u6709\u555f\u52d5\u8cc7\u6599\u5eab\u670d\u52d9\u7684\u4f7f\u7528\u8005\u624d\u53ef\u4ee5\u5c0d\u6a94\u6848\u6709\u8b80\u548c\u5beb\u7684\u6b0a\u9650;<\/p>\n

17.\u4e0d\u8a31\u5c07process\u6216super\u6b0a\u9650\u4ed8\u7d66\u975e\u7ba1\u7406\u4f7f\u7528\u8005\uff0c\u8a72mysqladmin processlist\u53ef\u4ee5\u5217\u8209\u51fa\u73fe\u7528\u7684\u57f7\u884c\u7684\u67e5\u8a62\u6587\u5b57;super\u6b0a\u9650\u53ef\u7528\u65bc\u5207\u65b7\u7528\u6236\u7aef\u9023\u7dda\u3001\u6539\u8b8a\u4f3a\u670d\u5668\u904b\u884c\u53c3\u6578\u72c0\u614b\u3001\u63a7\u5236\u8986\u5236\u8907\u88fd\u8cc7\u6599\u5eab\u7684\u4f3a\u670d\u5668;<\/p>\n

18.file\u6b0a\u9650\u4e0d\u4ed8\u7d66\u7ba1\u7406\u54e1\u4ee5\u5916\u7684\u4f7f\u7528\u8005\uff0c\u9632\u6b62\u51fa\u73feload data '\/etc\/passwd'\u5230\u8868\u4e2d\u518d\u7528select \u986f\u793a\u51fa\u4f86\u7684\u554f\u984c;<\/p>\n

19.\u5982\u679c\u4e0d\u76f8\u4fe1dns\u670d\u52d9\u516c\u53f8\u7684\u670d\u52d9\uff0c\u53ef\u4ee5\u5728\u4e3b\u96fb\u8166\u540d\u7a31\u5bb9\u8a31\u8868\u4e2d\u53ea\u8a2d\u5b9aip\u6578\u5b57\u4f4d\u5740;<\/p>\n

20.\u4f7f\u7528max_user_connections\u8b8a\u91cf\u4f86\u4f7fmysqld\u670d\u52d9\u7a0b\u5f0f\uff0c\u5c0d\u4e00\u500b\u6307\u5b9a\u5e33\u6236\u9650\u5b9a\u9023\u7dda\u6578;<\/p>\n

21.grant\u8a9e\u53e5\u4e5f\u652f\u63f4\u8cc7\u6e90\u63a7\u5236\u9078\u9805;<\/p>\n

22.\u555f\u52d5mysqld\u670d\u52d9\u7a0b\u5f0f\u7684\u5b89\u5168\u9078\u9805\u958b\u95dc\uff0c–local-infile=0\u62161 \u82e5\u662f0\u5247\u7528\u6236\u7aef\u7a0b\u5f0f\u5c31\u7121\u6cd5\u4f7f\u7528local load data\u4e86\uff0c\u8ce6\u6b0a\u7684\u4e00\u500b\u4f8b\u5b50grant insert(user) on mysql.user to 'user_name'@'host_name';\u82e5\u4f7f\u7528–skip-grant-tables\u7cfb\u7d71\u5c07\u5c0d\u4efb\u4f55\u4f7f\u7528\u8005\u7684\u8a2a\u554f\u4e0d\u505a\u4efb\u4f55\u8a2a\u554f\u63a7\u5236\uff0c\u4f46\u53ef\u4ee5\u7528 mysqladmin flush-privileges\u6216mysqladmin reload\u4f86\u958b\u555f\u8a2a\u554f\u63a7\u5236;\u9810\u8a2d\u60c5\u6cc1\u662fshow databases\u8a9e\u53e5\u5c0d\u6240\u6709\u4f7f\u7528\u8005\u958b\u653e\uff0c\u53ef\u4ee5\u7528–skip-show-databases\u4f86\u95dc\u9589\u6389\u3002<\/p>\n

23.\u78b0\u5230error 1045(28000) access denied for user 'root'@'localhost' (using password:no)\u932f\u8aa4\u6642\uff0c\u4f60\u9700\u8981\u91cd\u65b0\u8a2d\u5b9a\u5bc6\u78bc\uff0c\u5177\u9ad4\u65b9\u6cd5\u662f:\u5148\u7528–skip-grant-tables\u53c3\u6578\u555f\u52d5mysqld\uff0c\u7136\u5f8c\u57f7\u884c mysql -u root mysql,mysql>update user set password=password('newpassword') where user='root';mysql>flush privileges;\uff0c\u6700\u5f8c\u91cd\u65b0\u555f\u52d5mysql\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

MySQL\u8cc7\u6599\u5eab\u7684\u5b89\u5168\u9632\u8b77\uff08\u8cc7\u6599\u5eab\u5b89\u5168\u6280\u8853\uff09 \u8cc7\u6599\u5eab\u662f\u7db2\u7ad9\u6240\u6709\u8cc7\u6599\u5beb\u5165\u7684\u5b58\u653e\u4e4b\u8655 \u842c\u4e00\u8cc7\u6599\u5eab\u88ab\u99ed\u5ba2\u653b\u64ca\u6216\u76dc\u53d6\u8cc7 […]<\/p>\n","protected":false},"author":1,"featured_media":396,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[16],"class_list":["post-26","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php-mysql-","tag-mysql"],"_links":{"self":[{"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/posts\/26"}],"collection":[{"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/comments?post=26"}],"version-history":[{"count":0,"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/posts\/26\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/media\/396"}],"wp:attachment":[{"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/media?parent=26"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/categories?post=26"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/tags?post=26"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}