{"id":1709,"date":"2026-01-14T19:53:27","date_gmt":"2026-01-14T11:53:27","guid":{"rendered":"https:\/\/notes.coremix.net\/?p=1709"},"modified":"2026-01-15T18:46:32","modified_gmt":"2026-01-15T10:46:32","slug":"%e8%ae%b0%e4%b8%80%e6%ac%a1%e7%bd%91%e7%ab%99%e8%a2%ab%e7%88%ac%ef%bc%88ddos%ef%bc%89","status":"publish","type":"post","link":"https:\/\/notes.coremix.net\/?p=1709","title":{"rendered":"\u8bb0\u4e00\u6b21\u7f51\u7ad9\u88ab\u722c\uff08DDOS\uff09"},"content":{"rendered":"\n<p>\u7279\u5f81\uff1a\u786c\u76d8\u8bfb\u53d6\u7206\u6ee1\u3001CPU\u7206\u6ee1\u3001\u7f51\u7ad9\u65e0\u6cd5\u6253\u5f00\u3001SSH\u65e0\u6cd5\u767b\u5f55\u3001\u6700\u540e\u53ea\u80fd\u901a\u8fc7\u91cd\u542f\u670d\u52a1\u5668\u89e3\u51b3\u3002<\/p>\n\n\n<pre class=\"brush: bash; title: ; notranslate\" title=\"\"> \n\u67e5\u770bnginx\u6570\u91cf\uff1a\nwc -l \/var\/log\/nginx\/access.log\nsleep 60\nwc -l \/var\/log\/nginx\/access.log\n\u8bbf\u95eeIP\u662f\u5426\u96c6\u4e2d\uff1a\n&lt;p&gt;\u8bbf\u95eeIP\u662f\u5426\u96c6\u4e2d\uff1a&lt;\/p&gt;\nawk &#039;{print $1}&#039; \/var\/log\/nginx\/access.log | sort | uniq -c | sort -nr | head\n\u8bbf\u95ee\u8def\u5f84\u662f\u5426\u5f02\u5e38\uff1a\nawk &#039;{print $7}&#039; \/var\/log\/nginx\/access.log | sort | uniq -c | sort -nr | head\nerro.log\u662f\u5426\u6709\u8d44\u6e90\u5f02\u5e38\uff1a\ngrep -i -E &quot;timeout|upstream|connect|resource|worker&quot; \/var\/log\/nginx\/error.log\n\u5b9e\u65f6IO\uff1a\niostat -x 1\n\u6700\u8fd11\u5c0f\u65f6IP\uff1a\nawk &#039;$4 ~ \/14\\\/Jan\\\/2026:1&#x5B;89]\/ {print $1}&#039; \/var\/log\/nginx\/access.log \\\n| sort | uniq -c | sort -nr | head\n\u6700\u8fd11\u5c0f\u65f6\u7684\u8def\u5f84\uff1a\nawk &#039;$4 ~ \/14\\\/Jan\\\/2026:1&#x5B;89]\/ {print $7}&#039; \/var\/log\/nginx\/access.log \\\n| sort | uniq -c | sort -nr | head\n<\/pre>\n\n\n<p>\u6700\u540e\u5b9a\u4f4d\u5230\u539f\u56e0\u786e\u5b9e\u662f\u88ab\u6253\u4e86\u5f31\u6587\u4ef6xmlrpc.php\u7b49\u8fd8\u6709\u4e00\u4e9b\u767b\u5f55\u63a5\u53e3\uff0c\u7136\u540e\u6253\u5f00CF\u8fd8\u662f\u663e\u793aCF\u7684\u9519\u8bef\u9875\u9762\uff08\u53ef\u80fd\u6709\u7f13\u5b58\uff0c\u91cd\u542f\u540e\u597d\u4e86\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7279\u5f81\uff1a\u786c\u76d8\u8bfb\u53d6\u7206\u6ee1\u3001CPU\u7206\u6ee1\u3001\u7f51\u7ad9\u65e0\u6cd5\u6253\u5f00\u3001SSH\u65e0\u6cd5\u767b\u5f55\u3001\u6700\u540e\u53ea\u80fd\u901a\u8fc7\u91cd\u542f\u670d\u52a1\u5668\u89e3\u51b3\u3002 \u67e5\u770bnginx\u6570\u91cf [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29,27],"tags":[],"class_list":["post-1709","post","type-post","status-publish","format-standard","hentry","category-29","category-27"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/posts\/1709","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1709"}],"version-history":[{"count":5,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/posts\/1709\/revisions"}],"predecessor-version":[{"id":1733,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/posts\/1709\/revisions\/1733"}],"wp:attachment":[{"href":"https:\/\/notes.coremix.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}