{"id":17853,"date":"2025-02-18T14:32:22","date_gmt":"2025-02-18T06:32:22","guid":{"rendered":"https:\/\/blog.ywdevops.cn\/?p=17853"},"modified":"2025-02-18T16:14:46","modified_gmt":"2025-02-18T08:14:46","slug":"17853","status":"publish","type":"post","link":"https:\/\/blog.ywdevops.cn\/index.php\/2025\/02\/18\/17853\/","title":{"rendered":"mysql\u5b89\u5168"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u672c\u4f8b\u5b50\u4e2d\u4ee5mysql5.7.44\u4e3a\u4f8b\u5b50\u8fdb\u884c\u6f14\u793a<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">Connection-Control Plugins<\/mark><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MySQL \u7684 <code>Connection-Control Plugins<\/code> \u662f\u4e00\u7ec4\u7528\u4e8e\u589e\u5f3a\u6570\u636e\u5e93\u5b89\u5168\u6027\u7684\u63d2\u4ef6\uff0c\u4e3b\u8981\u901a\u8fc7\u63a7\u5236\u5ba2\u6237\u7aef\u8fde\u63a5\u884c\u4e3a\u6765\u9632\u6b62\u6076\u610f\u8bbf\u95ee\u6216\u51cf\u8f7b\u6f5c\u5728\u7684 DDoS \u653b\u51fb\u3002\u4ee5\u4e0b\u662f\u5173\u4e8e\u5982\u4f55\u914d\u7f6e <code>connection-control<\/code> \u63d2\u4ef6\u53ca\u5176\u76f8\u5173\u53c2\u6570\u7684\u8be6\u7ec6\u8bf4\u660e<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Connection-Control Plugins<\/code> \u5305\u62ec\u4ee5\u4e0b\u4e24\u4e2a\u63d2\u4ef6\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><code>connection_control<\/code><\/strong>\uff1a\u8d1f\u8d23\u7ba1\u7406\u5ba2\u6237\u7aef\u8fde\u63a5\u7684\u9650\u5236\u529f\u80fd<\/li>\n\n\n\n<li><strong><code>connection_control_failed_login_attempts<\/code><\/strong>\uff1a\u8ddf\u8e2a\u5ba2\u6237\u7aef\u7684\u5931\u8d25\u767b\u5f55\u5c1d\u8bd5<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3001\u5b89\u88c5\u63d2\u4ef6<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 MySQL 5.7 \u53ca\u66f4\u9ad8\u7248\u672c\u4e2d\uff0c<code>connection_control.so<\/code> \u63d2\u4ef6\u6587\u4ef6\u9ed8\u8ba4\u5b58\u5728\u4e8e MySQL \u7684\u63d2\u4ef6\u76ee\u5f55\u4e2d\uff0c\u4f46\u662f\u4f7f\u7528\u4e4b\u524d\u9700\u8981\u5b89\u88c5\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u52a8\u6001\u5b89\u88c5\u63d2\u4ef6\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>INSTALL PLUGIN CONNECTION_CONTROL SONAME 'connection_control.so';\nINSTALL PLUGIN CONNECTION_CONTROL_FAILED_LOGIN_ATTEMPTS SONAME 'connection_control.so';<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u9a8c\u8bc1\u63d2\u4ef6\u72b6\u6001\uff0c\u5b89\u88c5\u6210\u529f\u5c31\u662fACTIVE\u72b6\u6001\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SELECT PLUGIN_NAME, PLUGIN_STATUS FROM INFORMATION_SCHEMA.PLUGINS WHERE PLUGIN_NAME LIKE 'connection%';\n\u6216\u8005show plugins;\u4e5f\u53ef\u4ee5\u67e5\u770b\u5230<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"658\" height=\"151\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-18_142919_526.png\" alt=\"\" class=\"wp-image-17854\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-18_142919_526.png 658w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-18_142919_526-300x69.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-18_142919_526-600x138.png 600w\" sizes=\"auto, (max-width: 658px) 100vw, 658px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">2\u3001\u5e38\u7528\u53c2\u6570\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><code>connection_control_failed_connections_threshold<\/code><\/strong>\uff1a\u5b9a\u4e49\u5141\u8bb8\u7684\u6700\u5927\u8fde\u7eed\u767b\u5f55\u5931\u8d25\u6b21\u6570\u3002\u9ed8\u8ba4\u503c\u4e3a 3\uff0c\u8868\u793a\u5f53\u8fde\u7eed\u5931\u8d25 3 \u6b21\u540e\u542f\u7528\u8fde\u63a5\u63a7\u5236\u3002\u8bbe\u7f6e\u4e3a 0 \u65f6\u7981\u7528\u8be5\u529f\u80fd<\/li>\n\n\n\n<li><strong><code>connection_control_min_connection_delay<\/code><\/strong>\uff1a\u5b9a\u4e49\u5ba2\u6237\u7aef\u8fde\u63a5\u7684\u6700\u5c0f\u5ef6\u8fdf\u65f6\u95f4\uff08\u5355\u4f4d\uff1a\u6beb\u79d2\uff09\u3002\u9ed8\u8ba4\u503c\u4e3a 1000 \u6beb\u79d2\uff081 \u79d2\uff09\uff0c\u53d6\u503c\u8303\u56f4\u4e3a 1000\u20132147483647<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">3\u3001\u52a8\u6001\u4fee\u6539\u914d\u7f6e(\u91cd\u542f\u540e\u5c06\u5931\u6548)\uff0c\u5728mysql\u547d\u4ee4\u884c\u6267\u884c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SET GLOBAL connection_control_failed_connections_threshold = 5;\nSET GLOBAL connection_control_min_connection_delay = 600000;  -- 600 \u79d2<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">4\u3001\u6c38\u4e45\u4fee\u6539\u914d\u7f6e\uff0c\u5728\u914d\u7f6e\u6587\u4ef6my.cnf\u4e2d\u6dfb\u52a0\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;mysqld]\nplugin-load-add = connection_control.so\nconnection_control_failed_connections_threshold = 5\nconnection_control_min_connection_delay = 600000<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">5\u3001\u67e5\u8be2\u5931\u8d25\u767b\u9646\u8bb0\u5f55\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u63d2\u4ef6\u4f1a\u5c06\u5931\u8d25\u7684\u767b\u5f55\u5c1d\u8bd5\u8bb0\u5f55\u5230<code>information_schema.connection_control_failed_login_attempts<\/code> \u8868\u4e2d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u4f8b\u5b50\u4e2d\u4ee5mysql5.7.44\u4e3a\u4f8b\u5b50\u8fdb\u884c\u6f14\u793a Connection-Control Plugins MySQ [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":17855,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35,25],"tags":[],"class_list":["post-17853","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mysql","category-database"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"_links":{"self":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/17853","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/comments?post=17853"}],"version-history":[{"count":8,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/17853\/revisions"}],"predecessor-version":[{"id":17864,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/17853\/revisions\/17864"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/media\/17855"}],"wp:attachment":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/media?parent=17853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/categories?post=17853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/tags?post=17853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}