{"id":462,"date":"2021-01-20T11:06:40","date_gmt":"2021-01-20T03:06:40","guid":{"rendered":"http:\/\/blog.yzmedu.com\/?p=462"},"modified":"2021-01-20T11:06:40","modified_gmt":"2021-01-20T03:06:40","slug":"%e5%90%8c%e4%b8%80ip%e6%89%8b%e6%9c%ba%e8%ae%bf%e9%97%aeweb%e7%bd%91%e7%ab%99%e5%90%8epc%e5%87%ba%e7%8e%b0%e7%9f%ad%e6%9a%82%e6%97%a0%e6%b3%95%e6%ad%a3%e5%b8%b8%e8%ae%bf%e9%97%ae%e7%9a%84%e6%83%85","status":"publish","type":"post","link":"http:\/\/blog.yzmedu.com\/?p=462","title":{"rendered":"\u540c\u4e00IP\u624b\u673a\u8bbf\u95eeWEB\u7f51\u7ad9\u540ePC\u51fa\u73b0\u77ed\u6682\u65e0\u6cd5\u6b63\u5e38\u8bbf\u95ee\u7684\u60c5\u51b5\uff1f"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"345\" src=\"http:\/\/blog.yzmedu.com\/wp-content\/uploads\/2021\/01\/image-69-1024x345.png\" alt=\"\" class=\"wp-image-466\" srcset=\"http:\/\/blog.yzmedu.com\/wp-content\/uploads\/2021\/01\/image-69-1024x345.png 1024w, http:\/\/blog.yzmedu.com\/wp-content\/uploads\/2021\/01\/image-69-300x101.png 300w, http:\/\/blog.yzmedu.com\/wp-content\/uploads\/2021\/01\/image-69-768x259.png 768w, http:\/\/blog.yzmedu.com\/wp-content\/uploads\/2021\/01\/image-69.png 1346w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>\u8fd0\u7ef4\u65e5\u8bb0\u6392\u67e5\u548c\u8bb0\u5f55\u65f6\u95f4\u662f: 2021.1.20 \u51cc\u66683\u70b9.<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>\u524d\u63d0\u73af\u5883\uff1a<\/p><p>1.\u670d\u52a1\u5668\u4e3a\u963f\u91cc\u4e91Linux CentOS8\u7cfb\u7edf<\/p><p>2.WEB\u670d\u52a1\u5668\u4e3aNginx\u670d\u52a1\u5668<\/p><p>3.\u9632\u706b\u5899\u4e3aIptables\uff0cselinux\u548cfirewalld\u5df2\u5173\u95ed<\/p><p>4.\u6709Fail2ban\u548cDdos\u73af\u5883<\/p><\/blockquote>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>\u4e00.\u7b2c\u4e00\u9636\u6bb5\u6392\u67e5<\/strong><\/p>\n\n\n\n<p>\u8fd9\u4e2a\u95ee\u9898\u5c5e\u4e8e\u8fd0\u7ef4\u95ee\u9898\uff0c\u6392\u67e5\u8d77\u6765\u786e\u5b9e\u4e0d\u597d\u6392\u67e5\uff0c\u521a\u5f00\u59cb\u4ee5\u4e3a\u662f\u5ba2\u6237\u7aef\u5185\u90e8\u5c40\u57df\u7f51\u73af\u5883\u6216\u5ba2\u6237\u7aef\u5c40\u57df\u7f51\u8def\u7531\u5668\u8bbe\u7f6e\u7684\u6709\u95ee\u9898\u5bfc\u81f4\u7684\uff0c\u7ecf\u8fc7\u5728centos8\u4e0b\u901a\u8fc7\u65e5\u5fd7\u8ddf\u8e2a\u548ctcpdump\u8be6\u7ec6\u89c2\u5bdftcp\u901a\u8baf\u6570\u636e\u548c\u4e09\u6b21\u63e1\u624b\u72b6\u6001\uff0c\u5e76\u6ca1\u6709\u53d1\u73b0\u4efb\u4f55\u5f02\u5e38.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>tcpdump -i eth0 host 118.5.7.80 -nn #\u6293\u53d6tcp\u4e09\u6b21\u63e1\u624b\u4fe1\u606f<\/code><\/pre>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>\u4e8c.\u7b2c\u4e8c\u9636\u6bb5\u6392\u67e5<\/strong><\/p>\n\n\n\n<p>\u6211\u5728\u60f3\u6709\u6ca1\u6709\u53ef\u80fd\u662f\u5b89\u5168\u8bbe\u8ba1\u8fc7\u4e8e\u4e25\u683c\u4e86\uff0c\u6240\u4ee5\u5c31\u5f00\u59cb\u68c0\u67e5Fail2ban\u57fa\u4e8e\u65e5\u5fd7\u7684\u9ad8\u7ea7\u9632\u706b\u5899\uff0c\u53d1\u73b0\u5173\u95ed\u540e\u5ba2\u6237\u7aef\u95ee\u9898\u7167\u65e7.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>systemctl stop fail2ban.service #\u5173\u95edfail2ban\u670d\u52a1\npstree |grep fail2ban #\u5df2\u5173\u95ed<\/code><\/pre>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>\u4e09.\u7b2c\u4e09\u9636\u6bb5\u6392\u67e5<\/strong><\/p>\n\n\n\n<p> \u6709\u53ef\u80fd\u662fddos-deflate\u5b89\u5168\u8bbe\u8ba1\u8fc7\u4e8e\u4e25\u683c\u4e86\uff0c\u5173\u95ed\u540e\u5ba2\u6237\u7aef\u95ee\u9898\u7167\u65e7.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>systemctl stop ddos.service #\u5173\u95edddos\u670d\u52a1\npstree |grep ddos #\u8fdb\u7a0b\u5df2\u5173\u95ed<\/code><\/pre>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>\u56db.\u7b2c\u56db\u9636\u6bb5\u6392\u67e5<\/strong><\/p>\n\n\n\n<p>\u6709\u53ef\u80fd\u662fiptables\u9632\u706b\u5899\u67d0\u4e9b\u57fa\u4e8e\u72b6\u6001\u7684\u9632\u706b\u5899\u7b56\u7565\u6709\u95ee\u9898\uff0c\u6e05\u9664INPUT\u94fe\uff0c\u5e76\u628aINPUT\u94fe\u7684\u9ed8\u8ba4\u7b56\u7565\u8bbe\u7f6e\u4e3aACCEPT\uff0c\u4f46\u95ee\u9898\u7167\u65e7.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>iptables -P INPUT ACCEPT\niptables -F INPUT<\/code><\/pre>\n\n\n\n<p>\u6700\u540e\u53d1\u73b0\u8fd8\u662f\u4e0d\u884c\uff0c\u4f46\u901a\u8fc7tcpdump\u6765\u63a8\u6d4b\u6709\u53ef\u80fdcentos\u670d\u52a1\u5668\u5efa\u7acb\u8d77\u6765\u7684\u901a\u8baf\u6ca1\u6709\u95ee\u9898\uff0c\u8bf4\u660etcp\u6570\u636e\u5df2\u7ecf\u8fdb\u5165\u670d\u52a1\u5668\uff0c\u90a3\u5c31\u6709\u53ef\u80fd\u662fweb\u670d\u52a1\u5668nginx\u914d\u7f6e\u6709\u95ee\u9898\u4e86\u6216\u8005nginx\u8c03\u7528\u7684php-fpm\u53cd\u5e94\u6709\u95ee\u9898.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>\u4e94.\u7b2c\u4e94\u9636\u6bb5\u5f00\u59cb\u6392\u67e5nginx\u914d\u7f6e\u7ecf\u8fc7\u5927\u91cf\u6d4b\u8bd5\u53d1\u73b0\u95ee\u9898<\/strong><\/p>\n\n\n\n<p>cat \/usr\/local\/nginx\/conf\/nginx.conf<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>client_header_buffer_size 4k;\r\nopen_file_cache max=102400 inactive=20s;\r\nopen_file_cache_valid 30s;\r\nopen_file_cache_min_uses 1;\r\nclient_header_timeout 15;\r\nclient_body_timeout 15;\r\nreset_timedout_connection on;\r\nsend_timeout 15;\r\nserver_tokens off;\r<\/code><\/pre>\n\n\n\n<p>\u53d1\u73b0\u628a\u8fd9\u4e00\u5757\u7684\u65e7\u4f18\u5316\u8bbe\u7f6e\u5220\u9664\u6389\u5ba2\u6237\u7aef\u60c5\u51b5\u6d88\u5931\uff0c\u8fd9\u5757\u4ee3\u7801\u4e4b\u524d\u662f\u975e\u5e38\u6709\u7528\u7684\u9488\u5bf9\u6709\u7528\u6237\u5728\u624b\u673a\u548cPC\u4e0a\u540c\u65f6\u5237WEB\uff0c\u4f46\u73b0\u5728\u5374\u5f71\u54cd\u4e00\u4e2aIP\u7684\u591aPC\u548c\u624b\u673a\u7528\u6237\u540c\u65f6\u5728\u4e91\u77e5\u68a6\u5e73\u53f0\u4e0a\u8fdb\u884c\u8bfe\u7a0b\u5b66\u4e60\uff0c\u6240\u4ee5\u6709\u4e9b\u6027\u80fd\u8c03\u4f18\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u548c\u9636\u6bb5\u800c\u5b9a\uff0c\u5230\u8fd9\u513f\u95ee\u9898\u89e3\u51b3.\u968f\u540e\u628a\u4e0a\u9762\u7684\u5173\u95ed\u7684\u670d\u52a1\u6216\u9632\u706b\u5899\u5168\u90e8\u6b63\u5e38\u5f00\u542f.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>\u516d.\u5927\u5bb6\u60f3\u5b66\u4e60\u66f4\u8be6\u7ec6\u7684Nginx\u6280\u672f\u548c\u4f18\u5316\u914d\u7f6e\u53ef\u53c2\u8003\u6211\u4eb2\u81ea\u5f55\u5236\u7684LNMP\u9ad8\u6027\u80fd\u5546\u7528\u67b6\u6784\u8bfe\u7a0b\uff1a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.yzmedu.com\/course\/390\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" width=\"1024\" height=\"295\" src=\"http:\/\/blog.yzmedu.com\/wp-content\/uploads\/2021\/01\/image-67-1024x295.png\" alt=\"\" class=\"wp-image-464\" srcset=\"http:\/\/blog.yzmedu.com\/wp-content\/uploads\/2021\/01\/image-67-1024x295.png 1024w, http:\/\/blog.yzmedu.com\/wp-content\/uploads\/2021\/01\/image-67-300x86.png 300w, http:\/\/blog.yzmedu.com\/wp-content\/uploads\/2021\/01\/image-67-768x221.png 768w, http:\/\/blog.yzmedu.com\/wp-content\/uploads\/2021\/01\/image-67.png 1265w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p><a rel=\"noreferrer noopener\" href=\"http:\/\/www.yzmedu.com\/course\/390\" target=\"_blank\">http:\/\/www.yzmedu.com\/course\/390<\/a>\uff0c\u52a0\u6cb9\uff01\uff01\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd0\u7ef4\u65e5\u8bb0\u6392\u67e5\u548c\u8bb0\u5f55\u65f6\u95f4\u662f: 2021.1.20 \u51cc\u66683\u70b9. \u524d\u63d0\u73af\u5883\uff1a 1.\u670d\u52a1\u5668\u4e3a\u963f\u91cc\u4e91Linux Cent [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[11,76,75,45,54,74],"_links":{"self":[{"href":"http:\/\/blog.yzmedu.com\/index.php?rest_route=\/wp\/v2\/posts\/462"}],"collection":[{"href":"http:\/\/blog.yzmedu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.yzmedu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.yzmedu.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.yzmedu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=462"}],"version-history":[{"count":1,"href":"http:\/\/blog.yzmedu.com\/index.php?rest_route=\/wp\/v2\/posts\/462\/revisions"}],"predecessor-version":[{"id":467,"href":"http:\/\/blog.yzmedu.com\/index.php?rest_route=\/wp\/v2\/posts\/462\/revisions\/467"}],"wp:attachment":[{"href":"http:\/\/blog.yzmedu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=462"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.yzmedu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=462"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.yzmedu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=462"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}