\u4f7f\u7528MySQL\uff0cMySQL\u6570\u636e\u5e93\u5b89\u5168\u95ee\u9898\u4e0d\u80fd\u4e0d\u6ce8\u610f\u3002\u4ee5\u4e0b\u662fMySQL\u63d0\u793a\u768423\u4e2a\u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n
1.\u5982\u679c\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef\u7684\u8fde\u63a5\u9700\u8981\u8de8\u8d8a\u5e76\u901a\u8fc7\u4e0d\u53ef\u4fe1\u4efb\u7684\u7f51\u7edc\uff0c\u90a3\u4e48\u5c31\u9700\u8981\u4f7f\u7528SSH\u96a7\u9053\u6765\u52a0\u5bc6\u8be5\u8fde\u63a5\u7684\u901a\u4fe1\u3002<\/p>\n
2.\u7528set password\u8bed\u53e5\u6765\u4fee\u6539\u7528\u6237\u7684\u5bc6\u7801\uff0c\u4e09\u4e2a\u6b65\u9aa4\uff0c\u5148\u201cMySQL -u root\u201d\u767b\u9646\u6570\u636e\u5e93\u7cfb\u7edf\uff0c\u7136\u540e\u201cMySQL> update MySQL.user set password=password(‘newpwd’)\u201d\uff0c\u6700\u540e\u6267\u884c\u201cflush privileges\u201d\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n
3.\u9700\u8981\u63d0\u9632\u7684\u653b\u51fb\u6709\uff0c\u9632\u5077\u542c\u3001\u7be1\u6539\u3001\u56de\u653e\u3001\u62d2\u7edd\u670d\u52a1\u7b49\uff0c\u4e0d\u6d89\u53ca\u53ef\u7528\u6027\u548c\u5bb9\u9519\u65b9\u9762\u3002\u5bf9\u6240\u6709\u7684\u8fde\u63a5\u3001\u67e5\u8be2\u3001\u5176\u4ed6\u64cd\u4f5c\u4f7f\u7528\u57fa\u4e8eACL\u5373\u8bbf\u95ee\u63a7\u5236\u5217\u8868\u7684MySQL\u6570\u636e\u5e93\u5b89\u5168\u63aa\u65bd\u6765\u5b8c\u6210\u3002\u4e5f\u6709\u4e00\u4e9b\u5bf9SSL\u8fde\u63a5\u7684\u652f\u6301\u3002<\/p>\n
4.\u9664\u4e86root\u7528\u6237\u5916\u7684\u5176\u4ed6\u4efb\u4f55\u7528\u6237\u4e0d\u5141\u8bb8\u8bbf\u95eeMySQL\u4e3b\u6570\u636e\u5e93\u4e2d\u7684user\u8868\uff1b<\/p>\n
\u52a0\u5bc6\u540e\u5b58\u653e\u5728user\u8868\u4e2d\u7684\u52a0\u5bc6\u540e\u7684\u7528\u6237\u5bc6\u7801\u4e00\u65e6\u6cc4\u9732\uff0c\u5176\u4ed6\u4eba\u53ef\u4ee5\u968f\u610f\u7528\u8be5\u7528\u6237\u540d\/\u5bc6\u7801\u76f8\u5e94\u7684\u6570\u636e\u5e93\uff1b<\/p>\n
5.\u7528grant\u548crevoke\u8bed\u53e5\u6765\u8fdb\u884c\u7528\u6237\u8bbf\u95ee\u63a7\u5236\u7684\u5de5\u4f5c\uff1b<\/p>\n
6.\u4e0d\u4f7f\u7528\u660e\u6587\u5bc6\u7801\uff0c\u800c\u662f\u4f7f\u7528md5()\u548csha1()\u7b49\u5355\u5411\u7684\u54c8\u7cfb\u51fd\u6570\u6765\u8bbe\u7f6e\u5bc6\u7801\uff1b<\/p>\n
7.\u4e0d\u9009\u7528\u5b57\u5178\u4e2d\u7684\u5b57\u6765\u505a\u5bc6\u7801\uff1b<\/p>\n
8.\u91c7\u7528\u9632\u706b\u5899\u6765\u53bb\u638950%\u7684\u5916\u90e8\u5371\u9669\uff0c\u8ba9\u6570\u636e\u5e93\u7cfb\u7edf\u8eb2\u5728\u9632\u706b\u5899\u540e\u9762\u5de5\u4f5c\uff0c\u6216\u653e\u7f6e\u5728DMZ\u533a\u57df\u4e2d\uff1b<\/p>\n
9.\u4ece\u56e0\u7279\u7f51\u4e0a\u7528nmap\u6765\u626b\u63cf3306\u7aef\u53e3\uff0c\u4e5f\u53ef\u7528telnet server_host 3306\u7684\u65b9\u6cd5\u6d4b\u8bd5\uff0c\u4e0d\u80fd\u5141\u8bb8\u4ece\u975e\u4fe1\u4efb\u7f51\u7edc\u4e2d\u8bbf\u95ee\u6570\u636e\u5e93\u670d\u52a1\u5668\u76843306\u53f7TCP\u7aef\u53e3\uff0c\u56e0\u6b64\u9700\u8981\u5728\u9632\u706b\u5899\u6216\u8def\u7531\u5668\u4e0a\u505a\u8bbe\u5b9a\uff1b<\/p>\n
10.\u4e3a\u4e86\u9632\u6b62\u88ab\u6076\u610f\u4f20\u5165\u975e\u6cd5\u53c2\u6570\uff0c\u4f8b\u5982where ID=234\uff0c\u522b\u4eba\u5374\u8f93\u5165where ID=234 or 1=1\u5bfc\u81f4\u5168\u90e8\u663e\u793a\uff0c\u6240\u4ee5\u5728web\u7684\u8868\u5355\u4e2d\u4f7f\u7528”\u6216””\u6765\u7528\u5b57\u7b26\u4e32\uff0c\u5728\u52a8\u6001URL\u4e2d\u52a0\u5165%22\u4ee3\u8868\u53cc\u5f15\u53f7\u3001%23\u4ee3\u8868\u4e95\u53f7\u3001%27\u4ee3\u8868\u5355\u5f15\u53f7\uff1b\u4f20\u9012\u672a\u68c0\u67e5\u8fc7\u7684\u503c\u7ed9MySQL\u6570\u636e\u5e93\u662f\u975e\u5e38\u5371\u9669\u7684\uff1b<\/p>\n
11.\u5728\u4f20\u9012\u6570\u636e\u7ed9MySQL\u65f6\u68c0\u67e5\u4e00\u4e0b\u5927\u5c0f\uff1b<\/p>\n
12.\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u8fde\u63a5\u5230\u6570\u636e\u5e93\u5e94\u8be5\u4f7f\u7528\u4e00\u822c\u7684\u7528\u6237\u5e10\u53f7\uff0c\u53ea\u5f00\u653e\u5c11\u6570\u5fc5\u8981\u7684\u6743\u9650\u7ed9\u8be5\u7528\u6237\uff1b<\/p>\n
13.\u5728\u5404\u7f16\u7a0b\u63a5\u53e3(C C++ PHP Perl Java JDBC\u7b49)\u4e2d\u4f7f\u7528\u7279\u5b9a\u2018\u9003\u8131\u5b57\u7b26\u2019\u51fd\u6570\uff1b<\/p>\n
\u5728\u56e0\u7279\u7f51\u4e0a\u4f7f\u7528MySQL\u6570\u636e\u5e93\u65f6\u4e00\u5b9a\u5c11\u7528\u4f20\u8f93\u660e\u6587\u7684\u6570\u636e\uff0c\u800c\u7528SSL\u548cSSH\u7684\u52a0\u5bc6\u65b9\u5f0f\u6570\u636e\u6765\u4f20\u8f93\uff1b<\/p>\n
14.\u5b66\u4f1a\u4f7f\u7528tcpdump\u548cstrings\u5de5\u5177\u6765\u67e5\u770b\u4f20\u8f93\u6570\u636e\u7684MySQL\u6570\u636e\u5e93\u5b89\u5168\u6027\uff0c\u4f8b\u5982tcpdump -l -i eth0 -w -src or dst port 3306 | strings\u3002\u4ee5\u666e\u901a\u7528\u6237\u6765\u542f\u52a8MySQL\u6570\u636e\u5e93\u670d\u52a1\uff1b<\/p>\n
15.\u4e0d\u4f7f\u7528\u5230\u8868\u7684\u8054\u7ed3\u7b26\u53f7\uff0c\u9009\u7528\u7684\u53c2\u6570 –skip-symbolic-links\uff1b<\/p>\n
16.\u786e\u4fe1\u5728MySQL\u76ee\u5f55\u4e2d\u53ea\u6709\u542f\u52a8\u6570\u636e\u5e93\u670d\u52a1\u7684\u7528\u6237\u624d\u53ef\u4ee5\u5bf9\u6587\u4ef6\u6709\u8bfb\u548c\u5199\u7684\u6743\u9650\uff1b<\/p>\n
17.\u4e0d\u8bb8\u5c06process\u6216super\u6743\u9650\u4ed8\u7ed9\u975e\u7ba1\u7406\u7528\u6237\uff0c\u8be5MySQLadmin processlist\u53ef\u4ee5\u5217\u4e3e\u51fa\u5f53\u524d\u6267\u884c\u7684\u67e5\u8be2\u6587\u672c\uff1bsuper\u6743\u9650\u53ef\u7528\u4e8e\u5207\u65ad\u5ba2\u6237\u7aef\u8fde\u63a5\u3001\u6539\u53d8\u670d\u52a1\u5668\u8fd0\u884c\u53c2\u6570\u72b6\u6001\u3001\u63a7\u5236\u62f7\u8d1d\u590d\u5236\u6570\u636e\u5e93\u7684\u670d\u52a1\u5668\uff1b<\/p>\n
18.file\u6743\u9650\u4e0d\u4ed8\u7ed9\u7ba1\u7406\u5458\u4ee5\u5916\u7684\u7528\u6237\uff0c\u9632\u6b62\u51fa\u73b0load data ‘\/etc\/passwd’\u5230\u8868\u4e2d\u518d\u7528select \u663e\u793a\u51fa\u6765\u7684\u95ee\u9898\uff1b<\/p>\n
19.\u5982\u679c\u4e0d\u76f8\u4fe1DNS\u670d\u52a1\u516c\u53f8\u7684\u670d\u52a1\uff0c\u53ef\u4ee5\u5728\u4e3b\u673a\u540d\u79f0\u5141\u8bb8\u8868\u4e2d\u53ea\u8bbe\u7f6eIP\u6570\u5b57\u5730\u5740\uff1b<\/p>\n
20.\u4f7f\u7528max_user_connections\u53d8\u91cf\u6765\u4f7fMySQLd\u670d\u52a1\u8fdb\u7a0b\uff0c\u5bf9\u4e00\u4e2a\u6307\u5b9a\u5e10\u6237\u9650\u5b9a\u8fde\u63a5\u6570\uff1b<\/p>\n
21.grant\u8bed\u53e5\u4e5f\u652f\u6301\u8d44\u6e90\u63a7\u5236\u9009\u9879\uff1b<\/p>\n
22.\u542f\u52a8MySQLd\u670d\u52a1\u8fdb\u7a0b\u7684MySQL\u6570\u636e\u5e93\u5b89\u5168\u9009\u9879\u5f00\u5173\uff0c–local-infile=0\u62161 \u82e5\u662f0\u5219\u5ba2\u6237\u7aef\u7a0b\u5e8f\u5c31\u65e0\u6cd5\u4f7f\u7528local load data\u4e86<\/p>\n
\u8d4b\u6743\u7684\u4e00\u4e2a\u4f8b\u5b50 23.\u78b0\u5230Error 1045(28000) Access Denied for user ‘root’@’localhost’ (Using password:NO)\u9519\u8bef\u65f6\uff0c\u4f60\u9700\u8981\u91cd\u65b0\u8bbe\u7f6e\u5bc6\u7801\uff0c\u5177\u4f53\u65b9\u6cd5\u662f\uff1a<\/p>\n \u5148\u7528–skip-grant-tables\u53c2\u6570\u542f\u52a8MySQLd\uff0c\u7136\u540e\u6267\u884c \u4f7f\u7528MySQL\uff0cMySQL\u6570\u636e\u5e93\u5b89\u5168\u95ee\u9898\u4e0d\u80fd\u4e0d\u6ce8\u610f\u3002\u4ee5\u4e0b\u662fMySQL...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-451","post","type-post","status-publish","format-standard","hentry","category-DB"],"_links":{"self":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/posts\/451","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=451"}],"version-history":[{"count":0,"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/posts\/451\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=451"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=451"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=451"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
grant insert(user) on MySQL.user to 'user_name'@'host_name';
<\/code>
\u82e5\u4f7f\u7528–skip-grant-tables\u7cfb\u7edf\u5c06\u5bf9\u4efb\u4f55\u7528\u6237\u7684\u8bbf\u95ee\u4e0d\u505a\u4efb\u4f55\u8bbf\u95ee\u63a7\u5236\uff0c\u4f46\u53ef\u4ee5\u7528MySQLadmin flush-privileges\u6216MySQLadmin reload\u6765\u5f00\u542f\u8bbf\u95ee\u63a7\u5236\uff1b\u9ed8\u8ba4\u60c5\u51b5\u662fshow databases\u8bed\u53e5\u5bf9\u6240\u6709\u7528\u6237\u5f00\u653e\uff0c\u53ef\u4ee5\u7528–skip-show-databases\u6765\u5173\u95ed\u6389\u3002<\/p>\n
MySQL -u root MySQL,MySQL>update user set passwordpassword=password('newpassword')
where user='root';MySQL>Flush privileges;
<\/code>
\u6700\u540e\u91cd\u65b0\u542f\u52a8MySQL\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"