{"id":442520,"date":"2026-03-26T17:49:22","date_gmt":"2026-03-26T09:49:22","guid":{"rendered":"https:\/\/idc.net\/help\/?p=442520"},"modified":"2026-03-11T17:51:55","modified_gmt":"2026-03-11T09:51:55","slug":"%e6%9c%8d%e5%8a%a1%e5%99%a8%e8%a2%ab-ddos-%e6%94%bb%e5%87%bb%e4%ba%86%e6%80%8e%e4%b9%88%e5%8a%9e%ef%bc%9f%e9%98%b2%e5%be%a1%e6%96%b9%e6%a1%88%e4%b8%8e%e7%b4%a7%e6%80%a5%e5%a4%84%e7%bd%ae%e6%ad%a5","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/442520\/","title":{"rendered":"\u670d\u52a1\u5668\u88ab DDoS \u653b\u51fb\u4e86\u600e\u4e48\u529e\uff1f\u9632\u5fa1\u65b9\u6848\u4e0e\u7d27\u6025\u5904\u7f6e\u6b65\u9aa4\u8be6\u89e3"},"content":{"rendered":"<div class=\"article-summary\"><strong>\u6458\u8981\uff1a<\/strong>\u670d\u52a1\u5668\u7a81\u7136\u8bbf\u95ee\u4e2d\u65ad\u3001\u5e26\u5bbd\u8dd1\u6ee1\u3001CPU \u98d9\u5347\u2014\u2014\u8fd9\u53ef\u80fd\u662f\u906d\u5230\u4e86 DDoS \u653b\u51fb\u3002\u672c\u6587\u4ece\u300c\u5224\u65ad\u662f\u5426\u771f\u7684\u88ab\u653b\u51fb\u300d\u5f00\u59cb\uff0c\u7ed9\u51fa\u5b8c\u6574\u7684\u7d27\u6025\u5904\u7f6e 5 \u6b65\u6d41\u7a0b\uff0c\u518d\u6df1\u5165\u8bb2\u89e3 Cloudflare\u3001\u9ed1\u6d1e\u8def\u7531\u3001\u6d41\u91cf\u6e05\u6d17\u7b49\u4e3b\u6d41\u9632\u5fa1\u65b9\u6848\u7684\u539f\u7406\u4e0e\u9009\u578b\uff0c\u5e2e\u4f60\u5728\u6700\u77ed\u65f6\u95f4\u5185\u6062\u590d\u670d\u52a1\u5e76\u5efa\u7acb\u957f\u6548\u9632\u62a4\u4f53\u7cfb\u3002<\/div>\n<ul>\n<li><a href=\"#whatisddos\">\u4e00\u3001\u4ec0\u4e48\u662f DDoS \u653b\u51fb\uff1f\u5e38\u89c1\u7c7b\u578b\u901f\u89c8<\/a><\/li>\n<li><a href=\"#diagnose\">\u4e8c\u3001\u5982\u4f55\u5224\u65ad\u662f\u5426\u771f\u7684\u906d\u53d7\u4e86 DDoS\uff1f<\/a><\/li>\n<li><a href=\"#emergency\">\u4e09\u3001\u7d27\u6025\u5904\u7f6e 5 \u6b65\u6d41\u7a0b\uff08\u6b63\u5728\u88ab\u653b\u51fb\u65f6\u770b\u8fd9\u91cc\uff09<\/a><\/li>\n<li><a href=\"#defense\">\u56db\u3001\u4e3b\u6d41\u9632\u5fa1\u65b9\u6848\u5bf9\u6bd4\u4e0e\u9009\u578b<\/a><\/li>\n<li><a href=\"#cloudflare\">\u4e94\u3001Cloudflare \u514d\u8d39\u9632\u62a4\u914d\u7f6e\u5168\u6d41\u7a0b<\/a><\/li>\n<li><a href=\"#nginx\">\u516d\u3001Nginx \u5c42\u9762\u7684 CC \u653b\u51fb\u9632\u62a4\u914d\u7f6e<\/a><\/li>\n<li><a href=\"#prevent\">\u4e03\u3001\u4e8b\u524d\u9884\u9632\uff1a\u964d\u4f4e\u88ab\u653b\u51fb\u5f71\u54cd\u7684 7 \u4e2a\u63aa\u65bd<\/a><\/li>\n<li><a href=\"#faq\">\u516b\u3001\u5e38\u89c1\u95ee\u9898\u89e3\u7b54\uff08FAQ\uff09<\/a><\/li>\n<\/ul>\n<hr \/>\n<h2 id=\"whatisddos\">\u4e00\u3001\u4ec0\u4e48\u662f DDoS \u653b\u51fb\uff1f\u5e38\u89c1\u7c7b\u578b\u901f\u89c8<\/h2>\n<p>DDoS\uff08\u5206\u5e03\u5f0f\u62d2\u7edd\u670d\u52a1\u653b\u51fb\uff09\u662f\u653b\u51fb\u8005\u63a7\u5236\u5927\u91cf\"\u8089\u9e21\"\uff08\u88ab\u5165\u4fb5\u7684\u8bbe\u5907\uff09\u540c\u65f6\u5411\u76ee\u6807\u670d\u52a1\u5668\u53d1\u9001\u6d77\u91cf\u8bf7\u6c42\uff0c\u8017\u5c3d\u670d\u52a1\u5668\u7684\u5e26\u5bbd\u3001CPU \u6216\u5185\u5b58\u8d44\u6e90\uff0c\u5bfc\u81f4\u6b63\u5e38\u7528\u6237\u65e0\u6cd5\u8bbf\u95ee\u3002<\/p>\n<table class=\"data-table\">\n<thead>\n<tr>\n<th>\u653b\u51fb\u7c7b\u578b<\/th>\n<th>\u653b\u51fb\u5c42<\/th>\n<th>\u539f\u7406<\/th>\n<th>\u5178\u578b\u75c7\u72b6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>UDP Flood<\/strong><\/td>\n<td>\u7f51\u7edc\u5c42\uff08L3\uff09<\/td>\n<td>\u6d77\u91cf UDP \u6570\u636e\u5305\u6253\u6ee1\u5e26\u5bbd<\/td>\n<td>\u5e26\u5bbd\u8dd1\u6ee1\uff0c\u670d\u52a1\u5668\u5b8c\u5168\u4e0d\u53ef\u8fbe<\/td>\n<\/tr>\n<tr>\n<td><strong>SYN Flood<\/strong><\/td>\n<td>\u4f20\u8f93\u5c42\uff08L4\uff09<\/td>\n<td>\u53d1\u9001\u5927\u91cf\u534a\u8fde\u63a5\u8bf7\u6c42\u8017\u5c3d\u8fde\u63a5\u8868<\/td>\n<td>\u65b0\u8fde\u63a5\u65e0\u6cd5\u5efa\u7acb\uff0c\u5df2\u6709\u8fde\u63a5\u6b63\u5e38<\/td>\n<\/tr>\n<tr>\n<td><strong>HTTP Flood\uff08CC \u653b\u51fb\uff09<\/strong><\/td>\n<td>\u5e94\u7528\u5c42\uff08L7\uff09<\/td>\n<td>\u6a21\u62df\u6b63\u5e38\u7528\u6237\u53d1\u9001\u6d77\u91cf HTTP \u8bf7\u6c42<\/td>\n<td>CPU \u98d9\u5347\uff0c\u9875\u9762\u54cd\u5e94\u6781\u6162\u6216 502<\/td>\n<\/tr>\n<tr>\n<td><strong>DNS \u653e\u5927\u653b\u51fb<\/strong><\/td>\n<td>\u7f51\u7edc\u5c42\uff08L3\uff09<\/td>\n<td>\u5229\u7528 DNS \u670d\u52a1\u5668\u653e\u5927\u6d41\u91cf<\/td>\n<td>\u5e26\u5bbd\u88ab\u5360\u6ee1\uff0c\u670d\u52a1\u4e0d\u53ef\u7528<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6162\u901f\u653b\u51fb\uff08Slowloris\uff09<\/strong><\/td>\n<td>\u5e94\u7528\u5c42\uff08L7\uff09<\/td>\n<td>\u4fdd\u6301\u5927\u91cf\u672a\u5b8c\u6210\u7684 HTTP \u8fde\u63a5<\/td>\n<td>\u8fde\u63a5\u6570\u8017\u5c3d\uff0c\u670d\u52a1\u5668\u65e0\u54cd\u5e94<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"tip-box blue\">\ud83d\udca1 <strong>\u4e2d\u5c0f\u578b\u7f51\u7ad9\u6700\u5e38\u89c1\u7684\u662f CC \u653b\u51fb\uff08HTTP Flood\uff09<\/strong>\uff0c\u653b\u51fb\u6210\u672c\u4f4e\uff0c\u96be\u4ee5\u548c\u6b63\u5e38\u6d41\u91cf\u533a\u5206\u3002\u672c\u6587\u91cd\u70b9\u8986\u76d6 CC \u653b\u51fb\u7684\u5e94\u5bf9\u65b9\u6848\u3002<\/div>\n<hr \/>\n<h2 id=\"diagnose\">\u4e8c\u3001\u5982\u4f55\u5224\u65ad\u662f\u5426\u771f\u7684\u906d\u53d7\u4e86 DDoS\uff1f<\/h2>\n<p>\u670d\u52a1\u5668\u53d8\u6162\u6216\u4e0d\u53ef\u8bbf\u95ee\u4e0d\u4e00\u5b9a\u662f DDoS\uff0c\u53ef\u80fd\u662f\u4ee3\u7801 bug\u3001\u6d41\u91cf\u9ad8\u5cf0\u6216\u786c\u4ef6\u6545\u969c\u3002\u5148\u6267\u884c\u4ee5\u4e0b\u8bca\u65ad\u547d\u4ee4\u786e\u8ba4\uff1a<\/p>\n<pre># 1. \u67e5\u770b\u5f53\u524d\u7f51\u7edc\u8fde\u63a5\u6570\uff08\u6b63\u5e38\u5e94\u5728\u51e0\u767e\u4ee5\u5185\uff09\r\nss -s\r\n\r\n# 2. \u67e5\u770b\u8fde\u63a5\u6570\u6700\u591a\u7684 IP\uff08\u524d 20\uff09\r\nnetstat -ntu | awk '{print $5}' | cut -d: -f1 \\\r\n  | sort | uniq -c | sort -rn | head -20\r\n\r\n# 3. \u67e5\u770b\u6bcf\u79d2\u65b0\u5efa\u8fde\u63a5\u6570\uff08\u6301\u7eed\u6267\u884c\u89c2\u5bdf\u8d8b\u52bf\uff09\r\nwatch -n 1 \"ss -s | grep estab\"\r\n\r\n# 4. \u67e5\u770b\u5e26\u5bbd\u5360\u7528\uff08\u9700\u5b89\u88c5 nload\uff09\r\napt install -y nload &amp;&amp; nload\r\n\r\n# 5. \u67e5\u770b Nginx \u8bbf\u95ee\u65e5\u5fd7\u4e2d\u8bf7\u6c42\u6700\u591a\u7684 IP\r\nawk '{print $1}' \/var\/log\/nginx\/access.log \\\r\n  | sort | uniq -c | sort -rn | head -20\r\n\r\n# 6. \u67e5\u770b\u6bcf\u79d2\u8bf7\u6c42\u6570\uff08\u6301\u7eed 10 \u79d2\uff09\r\nfor i in $(seq 1 10); do\r\n  echo \"$(date): $(grep \"$(date '+%d\/%b\/%Y:%H:%M:%S')\" \\\r\n  \/var\/log\/nginx\/access.log | wc -l) req\/s\"\r\n  sleep 1\r\ndone<\/pre>\n<table class=\"data-table\">\n<thead>\n<tr>\n<th>\u8bca\u65ad\u6307\u6807<\/th>\n<th>\u6b63\u5e38\u8303\u56f4<\/th>\n<th>\u5f02\u5e38\u4fe1\u53f7<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>TCP \u8fde\u63a5\u603b\u6570<\/td>\n<td>&lt; 1000<\/td>\n<td class=\"bad\">&gt; 5000\uff0c\u6301\u7eed\u589e\u957f<\/td>\n<\/tr>\n<tr>\n<td>\u5355\u4e2a IP \u8fde\u63a5\u6570<\/td>\n<td>&lt; 20<\/td>\n<td class=\"bad\">&gt; 100\uff0c\u6765\u81ea\u540c\u4e00 IP<\/td>\n<\/tr>\n<tr>\n<td>Nginx \u8bf7\u6c42\u6570\/\u79d2<\/td>\n<td>\u5e73\u65f6\u57fa\u51c6\u7684 2 \u500d\u4ee5\u5185<\/td>\n<td class=\"bad\">\u7a81\u7136\u589e\u957f 10 \u500d\u4ee5\u4e0a<\/td>\n<\/tr>\n<tr>\n<td>\u670d\u52a1\u5668\u5e26\u5bbd\u5360\u7528<\/td>\n<td>&lt; 70%<\/td>\n<td class=\"bad\">\u6301\u7eed 100%\uff0c\u4e14\u65e0\u6cd5\u8bbf\u95ee<\/td>\n<\/tr>\n<tr>\n<td>CPU \u5360\u7528<\/td>\n<td>&lt; 70%<\/td>\n<td class=\"bad\">\u6301\u7eed 100%\uff0c\u4e3b\u8981\u662f nginx\/ksoftirqd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"tip-box red\">\u26a0\ufe0f <strong>\u7279\u522b\u6ce8\u610f\uff1a<\/strong>\u5982\u679c\u5e26\u5bbd\u5df2\u88ab\u6253\u6ee1\uff08\u5982\u653b\u51fb\u6d41\u91cf\u8d85\u8fc7\u670d\u52a1\u5668\u5e26\u5bbd\u4e0a\u9650\uff09\uff0c\u670d\u52a1\u5668\u672c\u8eab\u53ef\u80fd\u5b8c\u5168\u4e0d\u53ef\u8fbe\uff0cSSH \u4e5f\u65e0\u6cd5\u8fde\u63a5\u3002\u6b64\u65f6\u9700\u8981\u901a\u8fc7\u4e91\u5e73\u53f0 VNC \u63a7\u5236\u53f0\u64cd\u4f5c\uff0c\u6216\u8054\u7cfb\u670d\u52a1\u5546\u542f\u52a8\u9ed1\u6d1e\u8def\u7531\u3002<\/div>\n<hr \/>\n<h2 id=\"emergency\">\u4e09\u3001\u7d27\u6025\u5904\u7f6e 5 \u6b65\u6d41\u7a0b\uff08\u6b63\u5728\u88ab\u653b\u51fb\u65f6\u770b\u8fd9\u91cc\uff09<\/h2>\n<div class=\"emergency-card\">\n<h3>\ud83d\udea8 \u7d27\u6025\u60c5\u51b5\u5904\u7f6e\u6d41\u7a0b<\/h3>\n<p>\u5982\u679c\u4f60\u7684\u670d\u52a1\u5668\u6b63\u5728\u906d\u53d7\u653b\u51fb\uff0c\u6309\u4ee5\u4e0b\u987a\u5e8f\u5feb\u901f\u64cd\u4f5c\uff1a<\/p>\n<\/div>\n<div class=\"step-card\">\n<h3><span class=\"step-num\">1<\/span> \u7acb\u5373\u542f\u7528 Cloudflare\u300c\u6211\u6b63\u5728\u53d7\u5230\u653b\u51fb\u300d\u6a21\u5f0f<\/h3>\n<p>\u5982\u679c\u57df\u540d\u5df2\u63a5\u5165 Cloudflare\uff0c\u8fd9\u662f\u6700\u5feb\u7684\u7f13\u89e3\u624b\u6bb5\uff0c30 \u79d2\u5185\u751f\u6548\uff1a<\/p>\n<ol>\n<li>\u767b\u5f55 Cloudflare \u63a7\u5236\u53f0 \u2192 \u9009\u62e9\u5bf9\u5e94\u57df\u540d<\/li>\n<li>\u70b9\u51fb\u5de6\u4fa7\u300c\u5b89\u5168\u6027\u300d\u2192\u300c\u8bbe\u7f6e\u300d<\/li>\n<li>\u5c06\u300c\u5b89\u5168\u7ea7\u522b\u300d\u5207\u6362\u4e3a <strong>\u300c\u6211\u6b63\u5728\u53d7\u5230\u653b\u51fb\uff01\u300d<\/strong><\/li>\n<li>\u6240\u6709\u8bbf\u95ee\u8005\u4f1a\u770b\u5230 5 \u79d2 JS \u9a8c\u8bc1\u9875\u9762\uff0c\u81ea\u52a8\u5316\u653b\u51fb\u811a\u672c\u65e0\u6cd5\u901a\u8fc7<\/li>\n<\/ol>\n<div class=\"tip-box green\">\u2705 \u6b64\u6a21\u5f0f\u4f1a\u8fc7\u6ee4\u6389\u7edd\u5927\u591a\u6570 CC \u653b\u51fb\uff0c\u5bf9\u771f\u5b9e\u7528\u6237\u5f71\u54cd\u8f83\u5c0f\uff08\u7b49\u5f85 5 \u79d2\uff09\u3002\u653b\u51fb\u505c\u6b62\u540e\u8bb0\u5f97\u6062\u590d\u4e3a\u300c\u9ad8\u300d\u6216\u300c\u4e2d\u300d\u5b89\u5168\u7ea7\u522b\u3002<\/div>\n<\/div>\n<div class=\"step-card\">\n<h3><span class=\"step-num\">2<\/span> \u7528 iptables \u4e34\u65f6\u5c01\u7981\u653b\u51fb IP \u6bb5<\/h3>\n<pre># \u5c01\u7981\u5355\u4e2a IP\r\niptables -I INPUT -s \u653b\u51fbIP -j DROP\r\n\r\n# \u5c01\u7981\u6574\u4e2a IP \u6bb5\uff08\u5982 1.2.3.0\/24\uff09\r\niptables -I INPUT -s 1.2.3.0\/24 -j DROP\r\n\r\n# \u6279\u91cf\u5c01\u7981\uff08\u4ece\u6587\u4ef6\u8bfb\u53d6 IP \u5217\u8868\uff09\r\nwhile read ip; do\r\n  iptables -I INPUT -s $ip -j DROP\r\ndone &lt; attack_ips.txt # \u67e5\u770b\u5f53\u524d\u5c01\u7981\u89c4\u5219 iptables -L INPUT -n --line-numbers | head -30 # \u4fdd\u5b58\u89c4\u5219\uff08\u91cd\u542f\u540e\u751f\u6548\uff09 iptables-save &gt; \/etc\/iptables\/rules.v4<\/pre>\n<\/div>\n<div class=\"step-card\">\n<h3><span class=\"step-num\">3<\/span> \u9650\u5236 Nginx \u8fde\u63a5\u6570\u548c\u8bf7\u6c42\u901f\u7387<\/h3>\n<pre>nano \/etc\/nginx\/nginx.conf<\/pre>\n<p>\u5728 <code>http<\/code> \u5757\u4e2d\u6dfb\u52a0\u9650\u901f\u914d\u7f6e\uff1a<\/p>\n<pre># \u5b9a\u4e49\u9650\u901f\u533a\u57df\uff08\u57fa\u4e8e\u5ba2\u6237\u7aef IP\uff09\r\nlimit_req_zone $binary_remote_addr zone=req_limit:10m rate=10r\/s;\r\nlimit_conn_zone $binary_remote_addr zone=conn_limit:10m;\r\n\r\nserver {\r\n    # \u6bcf\u4e2a IP \u6700\u591a 10 \u4e2a\u5e76\u53d1\u8fde\u63a5\r\n    limit_conn conn_limit 10;\r\n\r\n    # \u6bcf\u4e2a IP \u6bcf\u79d2\u6700\u591a 10 \u4e2a\u8bf7\u6c42\uff0c\u7a81\u53d1\u6700\u591a 20 \u4e2a\r\n    limit_req zone=req_limit burst=20 nodelay;\r\n\r\n    # \u8d85\u51fa\u9650\u5236\u8fd4\u56de 429\uff08\u8bf7\u6c42\u8fc7\u591a\uff09\r\n    limit_req_status 429;\r\n    limit_conn_status 429;\r\n}<\/pre>\n<pre>nginx -t &amp;&amp; systemctl reload nginx<\/pre>\n<\/div>\n<div class=\"step-card\">\n<h3><span class=\"step-num\">4<\/span> \u8054\u7cfb\u670d\u52a1\u5546\u542f\u52a8\u9ed1\u6d1e\u8def\u7531\uff08\u5e26\u5bbd\u5c42\u653b\u51fb\u65f6\uff09<\/h3>\n<p>\u5982\u679c\u653b\u51fb\u6d41\u91cf\u8d85\u8fc7\u670d\u52a1\u5668\u5e26\u5bbd\u4e0a\u9650\uff08\u5982\u670d\u52a1\u5668\u5e26\u5bbd 100Mbps \u4f46\u653b\u51fb\u6d41\u91cf\u8fbe\u5230 10Gbps\uff09\uff0c\u670d\u52a1\u5668\u672c\u8eab\u65e0\u80fd\u4e3a\u529b\uff0c\u9700\u8981\u670d\u52a1\u5546\u5728\u4e0a\u6e38\u7f51\u7edc\u5c42\u4ecb\u5165\u3002<\/p>\n<ul>\n<li><strong>\u9ed1\u6d1e\u8def\u7531\uff08Null Route\uff09\uff1a<\/strong>\u670d\u52a1\u5546\u5c06\u4f60\u7684 IP \u6d41\u91cf\u5168\u90e8\u4e22\u5f03\uff0c\u670d\u52a1\u5668\u5b8c\u5168\u4e0d\u53ef\u8bbf\u95ee\u4f46\u5e26\u5bbd\u4e0d\u518d\u88ab\u5360\u7528\u3002\u9002\u5408\u653b\u51fb\u6301\u7eed\u65f6\u95f4\u957f\u7684\u60c5\u51b5\u3002<\/li>\n<li><strong>IP \u5207\u6362\uff1a<\/strong>\u66f4\u6362\u670d\u52a1\u5668 IP\uff0c\u5c06\u57df\u540d\u6307\u5411\u65b0 IP\uff0c\u8ba9\u653b\u51fb\u6d41\u91cf\u6253\u5411\u5e9f\u5f03 IP\u3002\u9700\u8981\u57df\u540d TTL \u8f83\u4f4e\u624d\u80fd\u5feb\u901f\u751f\u6548\u3002<\/li>\n<li><strong>\u6d41\u91cf\u6e05\u6d17\uff1a<\/strong>\u670d\u52a1\u5546\u5c06\u6d41\u91cf\u5f15\u5bfc\u5230\u6e05\u6d17\u4e2d\u5fc3\uff0c\u8fc7\u6ee4\u6076\u610f\u6d41\u91cf\u540e\u518d\u8f6c\u53d1\u7ed9\u670d\u52a1\u5668\u3002\u90e8\u5206\u670d\u52a1\u5546\u63d0\u4f9b\u514d\u8d39\u57fa\u7840\u6e05\u6d17\u670d\u52a1\u3002<\/li>\n<\/ul>\n<div class=\"tip-box blue\">\ud83d\udca1 <strong>\u8054\u7cfb\u540e\u6d6a\u4e91\uff1a<\/strong>\u906d\u53d7\u5927\u6d41\u91cf\u653b\u51fb\u65f6\uff0c\u53ef\u901a\u8fc7 Telegram \u6216\u5de5\u5355\u8054\u7cfb\u540e\u6d6a\u4e91\u6280\u672f\u652f\u6301\uff0c\u534f\u52a9\u542f\u52a8\u6d41\u91cf\u6e05\u6d17\u6216\u66f4\u6362 IP\u3002<\/div>\n<\/div>\n<div class=\"step-card\">\n<h3><span class=\"step-num\">5<\/span> \u5207\u6362\u5230\u5907\u7528\u8282\u70b9\uff0c\u4fdd\u969c\u4e1a\u52a1\u8fde\u7eed\u6027<\/h3>\n<p>\u5982\u679c\u4e3b\u670d\u52a1\u5668\u5df2\u65e0\u6cd5\u6b63\u5e38\u670d\u52a1\uff0c\u7acb\u5373\u5c06\u57df\u540d\u89e3\u6790\u5207\u6362\u5230\u5907\u7528\u8282\u70b9\uff08\u5982 CDN \u7f13\u5b58\u9875\u9762\u6216\u5907\u7528\u670d\u52a1\u5668\uff09\uff1a<\/p>\n<pre># \u4e34\u65f6\u5c06\u57df\u540d\u89e3\u6790\u5230 Cloudflare \u7684\u4ee3\u7406 IP\r\n# \u5728 Cloudflare DNS \u63a7\u5236\u53f0\u5f00\u542f\u5c0f\u6a59\u4e91\uff08\u4ee3\u7406\u6a21\u5f0f\uff09\r\n# \u771f\u5b9e IP \u88ab\u9690\u85cf\uff0c\u653b\u51fb\u8005\u65e0\u6cd5\u76f4\u63a5\u653b\u51fb\u670d\u52a1\u5668\r\n\r\n# \u5c06 TTL \u8bbe\u7f6e\u4e3a\u6700\u4f4e\u503c\uff0860 \u79d2\uff09\u63d0\u5347\u5207\u6362\u901f\u5ea6\r\n# \u5728 Cloudflare \u6216 DNSPod \u63a7\u5236\u53f0\u4fee\u6539<\/pre>\n<\/div>\n<hr \/>\n<h2 id=\"defense\">\u56db\u3001\u4e3b\u6d41\u9632\u5fa1\u65b9\u6848\u5bf9\u6bd4\u4e0e\u9009\u578b<\/h2>\n<table class=\"data-table\">\n<thead>\n<tr>\n<th>\u9632\u5fa1\u65b9\u6848<\/th>\n<th>\u9632\u5fa1\u80fd\u529b<\/th>\n<th>\u4ef7\u683c<\/th>\n<th>\u9002\u7528\u573a\u666f<\/th>\n<th>\u63a8\u8350\u5ea6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Cloudflare \u514d\u8d39\u7248<\/strong><\/td>\n<td>CC\/L7 \u653b\u51fb\uff0c5Gbps \u4ee5\u5185 L3\/L4<\/td>\n<td class=\"win\">\u514d\u8d39<\/td>\n<td>\u4e2d\u5c0f\u7f51\u7ad9\u9996\u9009<\/td>\n<td class=\"win\">\u2b50\u2b50\u2b50\u2b50\u2b50<\/td>\n<\/tr>\n<tr>\n<td><strong>Cloudflare Pro<\/strong><\/td>\n<td>\u66f4\u5f3a\u7684 WAF \u89c4\u5219\uff0c\u9ad8\u7ea7 Bot \u9632\u62a4<\/td>\n<td class=\"warn\">$20\/\u6708<\/td>\n<td>\u6709\u4e00\u5b9a\u6d41\u91cf\u7684\u5546\u4e1a\u7ad9<\/td>\n<td class=\"win\">\u2b50\u2b50\u2b50\u2b50\u2b50<\/td>\n<\/tr>\n<tr>\n<td><strong>Nginx \u9650\u901f<\/strong><\/td>\n<td>CC \u653b\u51fb\uff08\u5e94\u7528\u5c42\uff09<\/td>\n<td class=\"win\">\u514d\u8d39<\/td>\n<td>\u914d\u5408 Cloudflare \u4f7f\u7528<\/td>\n<td class=\"win\">\u2b50\u2b50\u2b50\u2b50<\/td>\n<\/tr>\n<tr>\n<td><strong>Fail2Ban<\/strong><\/td>\n<td>\u626b\u63cf\u3001\u66b4\u529b\u7834\u89e3<\/td>\n<td class=\"win\">\u514d\u8d39<\/td>\n<td>SSH\/Web \u767b\u5f55\u9632\u62a4<\/td>\n<td class=\"win\">\u2b50\u2b50\u2b50\u2b50<\/td>\n<\/tr>\n<tr>\n<td><strong>\u9ad8\u9632 IP \/ \u6d41\u91cf\u6e05\u6d17<\/strong><\/td>\n<td>T \u7ea7\u5927\u6d41\u91cf\u653b\u51fb<\/td>\n<td class=\"bad\">\u6570\u767e\u81f3\u6570\u5343\u5143\/\u6708<\/td>\n<td>\u91d1\u878d\u3001\u6e38\u620f\u7b49\u9ad8\u4ef7\u503c\u76ee\u6807<\/td>\n<td class=\"warn\">\u2b50\u2b50\u2b50<\/td>\n<\/tr>\n<tr>\n<td><strong>\u9ed1\u6d1e\u8def\u7531<\/strong><\/td>\n<td>\u4efb\u4f55\u89c4\u6a21\uff08\u4f46\u670d\u52a1\u4e0d\u53ef\u7528\uff09<\/td>\n<td class=\"win\">\u514d\u8d39\uff08\u670d\u52a1\u5546\u63d0\u4f9b\uff09<\/td>\n<td>\u653b\u51fb\u8d85\u8fc7\u5e26\u5bbd\u4e0a\u9650\u7684\u7d27\u6025\u5904\u7f6e<\/td>\n<td class=\"warn\">\u2b50\u2b50\u2b50<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"tip-box green\">\u2705 <strong>\u63a8\u8350\u7ec4\u5408\uff1aCloudflare \u514d\u8d39\u7248 + Nginx \u9650\u901f + Fail2Ban<\/strong>\uff0c\u4e09\u5c42\u9632\u62a4\u53e0\u52a0\uff0c\u8986\u76d6 90% \u7684\u4e2d\u5c0f\u578b\u7f51\u7ad9\u653b\u51fb\u573a\u666f\uff0c\u6210\u672c\u4e3a\u96f6\u3002<\/div>\n<hr \/>\n<h2 id=\"cloudflare\">\u4e94\u3001Cloudflare \u514d\u8d39\u9632\u62a4\u914d\u7f6e\u5168\u6d41\u7a0b<\/h2>\n<div class=\"step-card\">\n<h3><span class=\"step-num\">1<\/span> \u5c06\u57df\u540d\u63a5\u5165 Cloudflare<\/h3>\n<ol>\n<li>\u6ce8\u518c Cloudflare \u8d26\u53f7\uff0c\u70b9\u51fb\u300c\u6dfb\u52a0\u7ad9\u70b9\u300d\u8f93\u5165\u4f60\u7684\u57df\u540d<\/li>\n<li>\u9009\u62e9\u514d\u8d39\u5957\u9910\uff0cCloudflare \u4f1a\u81ea\u52a8\u626b\u63cf\u73b0\u6709 DNS \u8bb0\u5f55<\/li>\n<li>\u786e\u8ba4 DNS \u8bb0\u5f55\u6b63\u786e\u540e\uff0c\u5c06\u57df\u540d\u7684 NS \u670d\u52a1\u5668\u6539\u4e3a Cloudflare \u63d0\u4f9b\u7684 NS \u5730\u5740\uff08\u5728\u57df\u540d\u6ce8\u518c\u5546\u5904\u4fee\u6539\uff09<\/li>\n<li>\u7b49\u5f85 NS \u751f\u6548\uff08\u901a\u5e38 5\u201330 \u5206\u949f\uff09\uff0cCloudflare \u63a7\u5236\u53f0\u663e\u793a\u300c\u6709\u6548\u300d\u5373\u6210\u529f<\/li>\n<\/ol>\n<\/div>\n<div class=\"step-card\">\n<h3><span class=\"step-num\">2<\/span> \u5173\u952e\u5b89\u5168\u914d\u7f6e<\/h3>\n<table class=\"data-table\">\n<thead>\n<tr>\n<th>\u914d\u7f6e\u9879<\/th>\n<th>\u4f4d\u7f6e<\/th>\n<th>\u63a8\u8350\u8bbe\u7f6e<\/th>\n<th>\u4f5c\u7528<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>SSL\/TLS \u6a21\u5f0f<\/td>\n<td>SSL\/TLS \u2192 \u6982\u8ff0<\/td>\n<td class=\"win\">\u5b8c\u5168\uff08\u4e25\u683c\uff09<\/td>\n<td>\u5f3a\u5236 HTTPS\uff0c\u9632\u6b62\u4e2d\u95f4\u4eba\u653b\u51fb<\/td>\n<\/tr>\n<tr>\n<td>\u5b89\u5168\u7ea7\u522b<\/td>\n<td>\u5b89\u5168\u6027 \u2192 \u8bbe\u7f6e<\/td>\n<td class=\"win\">\u4e2d<\/td>\n<td>\u5e73\u8861\u5b89\u5168\u4e0e\u7528\u6237\u4f53\u9a8c<\/td>\n<\/tr>\n<tr>\n<td>Bot Fight Mode<\/td>\n<td>\u5b89\u5168\u6027 \u2192 \u673a\u5668\u4eba<\/td>\n<td class=\"win\">\u5f00\u542f<\/td>\n<td>\u81ea\u52a8\u62e6\u622a\u5df2\u77e5\u6076\u610f\u722c\u866b<\/td>\n<\/tr>\n<tr>\n<td>Browser Integrity Check<\/td>\n<td>\u5b89\u5168\u6027 \u2192 \u8bbe\u7f6e<\/td>\n<td class=\"win\">\u5f00\u542f<\/td>\n<td>\u9a8c\u8bc1\u8bbf\u95ee\u8005\u6709\u6b63\u5e38\u6d4f\u89c8\u5668<\/td>\n<\/tr>\n<tr>\n<td>Challenge Passage<\/td>\n<td>\u5b89\u5168\u6027 \u2192 \u8bbe\u7f6e<\/td>\n<td class=\"win\">30 \u5206\u949f<\/td>\n<td>\u901a\u8fc7\u9a8c\u8bc1\u540e\u514d\u6311\u6218\u65f6\u95f4<\/td>\n<\/tr>\n<tr>\n<td>Always Use HTTPS<\/td>\n<td>SSL\/TLS \u2192 \u8fb9\u7f18\u8bc1\u4e66<\/td>\n<td class=\"win\">\u5f00\u542f<\/td>\n<td>\u81ea\u52a8\u5c06 HTTP \u8df3\u8f6c HTTPS<\/td>\n<\/tr>\n<tr>\n<td>\u5c0f\u6a59\u4e91\uff08\u4ee3\u7406\uff09<\/td>\n<td>DNS \u2192 \u5404 A \u8bb0\u5f55<\/td>\n<td class=\"win\">\u5f00\u542f<\/td>\n<td>\u9690\u85cf\u771f\u5b9e IP\uff0c\u653b\u51fb\u8005\u65e0\u6cd5\u7ed5\u8fc7 CF<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"step-card\">\n<h3><span class=\"step-num\">3<\/span> \u521b\u5efa\u81ea\u5b9a\u4e49\u9632\u706b\u5899\u89c4\u5219\uff08\u514d\u8d39\u7248\u652f\u6301 5 \u6761\uff09<\/h3>\n<p>\u8fdb\u5165\u300c\u5b89\u5168\u6027\u300d\u2192\u300cWAF\u300d\u2192\u300c\u9632\u706b\u5899\u89c4\u5219\u300d\u2192\u300c\u521b\u5efa\u89c4\u5219\u300d\uff1a<\/p>\n<table class=\"data-table\">\n<thead>\n<tr>\n<th>\u89c4\u5219\u540d\u79f0<\/th>\n<th>\u5339\u914d\u6761\u4ef6<\/th>\n<th>\u52a8\u4f5c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5c01\u7981\u9ad8\u98ce\u9669\u56fd\u5bb6<\/td>\n<td>\u56fd\u5bb6\/\u5730\u533a \u4e0d\u5728 [CN, HK, TW, US, SG...]<\/td>\n<td class=\"warn\">\u8d28\u8be2\uff08JS \u9a8c\u8bc1\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u4fdd\u62a4 wp-login<\/td>\n<td>URI \u8def\u5f84 \u7b49\u4e8e \/wp-login.php \u4e14 \u4e0d\u662f\u5df2\u77e5\u673a\u5668\u4eba<\/td>\n<td class=\"warn\">\u8d28\u8be2<\/td>\n<\/tr>\n<tr>\n<td>\u5c01\u7981\u6076\u610f UA<\/td>\n<td>\u7528\u6237\u4ee3\u7406 \u5305\u542b [zgrab, masscan, sqlmap]<\/td>\n<td class=\"bad\">\u5c01\u9501<\/td>\n<\/tr>\n<tr>\n<td>\u653e\u884c\u5408\u6cd5\u722c\u866b<\/td>\n<td>\u5df2\u77e5\u673a\u5668\u4eba \u7b49\u4e8e true<\/td>\n<td class=\"win\">\u5141\u8bb8<\/td>\n<\/tr>\n<tr>\n<td>\u9650\u5236 API \u901f\u7387<\/td>\n<td>URI \u8def\u5f84 \u5f00\u5934\u4e3a \/api\/ \u4e14 \u901f\u7387\u8d85\u8fc7 100\/min<\/td>\n<td class=\"warn\">\u8d28\u8be2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<hr \/>\n<h2 id=\"nginx\">\u516d\u3001Nginx \u5c42\u9762\u7684 CC \u653b\u51fb\u9632\u62a4\u914d\u7f6e<\/h2>\n<p>\u5373\u4f7f\u6709 Cloudflare\uff0cNginx \u5c42\u9762\u7684\u9650\u901f\u4e5f\u662f\u5fc5\u8981\u7684\u7b2c\u4e8c\u9053\u9632\u7ebf\uff08\u9632\u6b62\u653b\u51fb\u8005\u627e\u5230\u771f\u5b9e IP \u7ed5\u8fc7 CF\uff09\uff1a<\/p>\n<pre>nano \/etc\/nginx\/nginx.conf<\/pre>\n<pre>http {\r\n    # \u2500\u2500 \u9650\u901f\u533a\u57df\u5b9a\u4e49 \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\r\n    # \u57fa\u4e8e\u771f\u5b9e IP\uff08\u9700\u914d\u5408 Cloudflare \u7684\u771f\u5b9e IP \u900f\u4f20\uff09\r\n    limit_req_zone  $binary_remote_addr zone=global:20m  rate=20r\/s;\r\n    limit_req_zone  $binary_remote_addr zone=login:10m   rate=1r\/s;\r\n    limit_conn_zone $binary_remote_addr zone=perip:10m;\r\n\r\n    # \u2500\u2500 \u8fde\u63a5\u8d85\u65f6\u4f18\u5316\uff08\u9632 Slowloris \u6162\u901f\u653b\u51fb\uff09\u2500\u2500\u2500\u2500\u2500\u2500\u2500\r\n    client_body_timeout   10s;\r\n    client_header_timeout 10s;\r\n    keepalive_timeout     30s;\r\n    send_timeout          10s;\r\n\r\n    server {\r\n        # \u6bcf IP \u6700\u591a 50 \u4e2a\u5e76\u53d1\u8fde\u63a5\r\n        limit_conn perip 50;\r\n\r\n        # \u5168\u5c40\u6bcf\u79d2 20 \u4e2a\u8bf7\u6c42\r\n        limit_req zone=global burst=50 nodelay;\r\n\r\n        # \u767b\u5f55\u9875\u9762\u4e25\u683c\u9650\u901f\uff08\u6bcf\u79d2 1 \u6b21\uff09\r\n        location ~ ^\/(wp-login|login|signin|admin) {\r\n            limit_req zone=login burst=5 nodelay;\r\n            limit_req_status 429;\r\n        }\r\n\r\n        # \u914d\u5408 Cloudflare \u83b7\u53d6\u771f\u5b9e\u5ba2\u6237\u7aef IP\r\n        set_real_ip_from 103.21.244.0\/22;\r\n        set_real_ip_from 103.22.200.0\/22;\r\n        set_real_ip_from 103.31.4.0\/22;\r\n        set_real_ip_from 104.16.0.0\/13;\r\n        set_real_ip_from 104.24.0.0\/14;\r\n        set_real_ip_from 108.162.192.0\/18;\r\n        set_real_ip_from 131.0.72.0\/22;\r\n        set_real_ip_from 141.101.64.0\/18;\r\n        set_real_ip_from 162.158.0.0\/15;\r\n        set_real_ip_from 172.64.0.0\/13;\r\n        set_real_ip_from 173.245.48.0\/20;\r\n        set_real_ip_from 188.114.96.0\/20;\r\n        set_real_ip_from 190.93.240.0\/20;\r\n        set_real_ip_from 197.234.240.0\/22;\r\n        set_real_ip_from 198.41.128.0\/17;\r\n        real_ip_header CF-Connecting-IP;\r\n    }\r\n}\r\n<\/pre>\n<pre>nginx -t &amp;&amp; systemctl reload nginx<\/pre>\n<hr \/>\n<h2 id=\"prevent\">\u4e03\u3001\u4e8b\u524d\u9884\u9632\uff1a\u964d\u4f4e\u88ab\u653b\u51fb\u5f71\u54cd\u7684 7 \u4e2a\u63aa\u65bd<\/h2>\n<table class=\"data-table\">\n<thead>\n<tr>\n<th>#<\/th>\n<th>\u63aa\u65bd<\/th>\n<th>\u4f5c\u7528<\/th>\n<th>\u96be\u5ea6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>\u57df\u540d\u63a5\u5165 Cloudflare \u5e76\u5f00\u542f\u4ee3\u7406\uff08\u9690\u85cf\u771f\u5b9e IP\uff09<\/td>\n<td class=\"win\">\u653b\u51fb\u8005\u65e0\u6cd5\u627e\u5230\u670d\u52a1\u5668\u771f\u5b9e IP<\/td>\n<td>\u4f4e<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>\u914d\u7f6e Nginx \u9650\u901f\uff08limit_req \/ limit_conn\uff09<\/td>\n<td class=\"win\">\u9650\u5236\u5355 IP \u8bf7\u6c42\u9891\u7387\uff0c\u524a\u5f31 CC \u653b\u51fb<\/td>\n<td>\u4f4e<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>\u5b89\u88c5 Fail2Ban \u9632\u62a4 SSH \u548c Web \u767b\u5f55<\/td>\n<td class=\"win\">\u81ea\u52a8\u5c01\u7981\u66b4\u529b\u7834\u89e3 IP<\/td>\n<td>\u4f4e<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>\u5f00\u542f\u9875\u9762\u9759\u6001\u7f13\u5b58\uff08WordPress + Redis\/WP Rocket\uff09<\/td>\n<td class=\"win\">\u51cf\u5c11\u52a8\u6001\u8bf7\u6c42\uff0c\u670d\u52a1\u5668\u6297\u538b\u80fd\u529b\u5927\u5e45\u63d0\u5347<\/td>\n<td>\u4e2d<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>\u8bbe\u7f6e\u670d\u52a1\u5668\u5185\u5b58\/CPU \u8fc7\u8f7d\u544a\u8b66<\/td>\n<td class=\"win\">\u653b\u51fb\u521d\u671f\u7b2c\u4e00\u65f6\u95f4\u611f\u77e5<\/td>\n<td>\u4e2d<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>\u5b9a\u671f\u5907\u4efd\u6570\u636e\uff08\u672c\u5730 + \u5f02\u5730\uff09<\/td>\n<td class=\"win\">\u5373\u4f7f\u670d\u52a1\u5668\u88ab\u6253\u57ae\uff0c\u6570\u636e\u4e0d\u4f1a\u4e22\u5931<\/td>\n<td>\u4f4e<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>\u51c6\u5907\u5907\u7528 IP \u548c\u5feb\u901f\u5207\u6362\u9884\u6848<\/td>\n<td class=\"win\">\u653b\u51fb\u53d1\u751f\u65f6\u5feb\u901f\u6062\u590d\u4e1a\u52a1<\/td>\n<td>\u4e2d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2 id=\"faq\">\u516b\u3001\u5e38\u89c1\u95ee\u9898\u89e3\u7b54\uff08FAQ\uff09<\/h2>\n<h3>Q1\uff1a\u5c0f\u7f51\u7ad9\u4e5f\u4f1a\u88ab DDoS \u653b\u51fb\u5417\uff1f\u653b\u51fb\u8005\u4e3a\u4ec0\u4e48\u8981\u653b\u51fb\u6211\uff1f<\/h3>\n<p>\u4f1a\u3002\u5f88\u591a DDoS \u653b\u51fb\u5e76\u975e\u9488\u5bf9\u7279\u5b9a\u76ee\u6807\uff0c\u800c\u662f\u81ea\u52a8\u5316\u811a\u672c\u7684\u968f\u673a\u626b\u63cf\u548c\u653b\u51fb\uff0c\u5c0f\u7f51\u7ad9\u540c\u6837\u4f1a\u4e2d\u62db\u3002\u6b64\u5916\uff0c\u7ade\u4e89\u5bf9\u624b\u6076\u610f\u653b\u51fb\u3001\u52d2\u7d22\uff08\u652f\u4ed8\u6bd4\u7279\u5e01\u624d\u505c\u6b62\u653b\u51fb\uff09\u3001\u9ed1\u5ba2\u7ec3\u624b\u7b49\u4e5f\u662f\u5e38\u89c1\u52a8\u673a\u3002\u4efb\u4f55\u6709\u516c\u7f51 IP \u7684\u670d\u52a1\u5668\u90fd\u9762\u4e34\u88ab\u653b\u51fb\u7684\u98ce\u9669\u3002<\/p>\n<h3>Q2\uff1aCloudflare \u514d\u8d39\u7248\u80fd\u9632\u591a\u5927\u89c4\u6a21\u7684 DDoS \u653b\u51fb\uff1f<\/h3>\n<p>Cloudflare \u514d\u8d39\u7248\u5bf9 CC \u653b\u51fb\uff08HTTP Flood\uff09\u9632\u62a4\u80fd\u529b\u975e\u5e38\u5f3a\uff0c\u7406\u8bba\u4e0a\u6ca1\u6709\u4e0a\u9650\uff0c\u56e0\u4e3a\u653b\u51fb\u6d41\u91cf\u7531 Cloudflare \u7684\u5168\u7403\u7f51\u7edc\u627f\u62c5\u800c\u975e\u4f60\u7684\u670d\u52a1\u5668\u3002\u5bf9\u4e8e\u7f51\u7edc\u5c42\u653b\u51fb\uff08UDP\/SYN Flood\uff09\uff0c\u514d\u8d39\u7248\u53ef\u62b5\u5fa1\u7ea6 5Gbps \u4ee5\u5185\u7684\u6d41\u91cf\u3002\u8d85\u8fc7\u6b64\u89c4\u6a21\u9700\u8981 Cloudflare Enterprise \u6216\u4e13\u4e1a\u9ad8\u9632\u670d\u52a1\u3002<\/p>\n<h3>Q3\uff1a\u5982\u4f55\u9632\u6b62\u653b\u51fb\u8005\u7ed5\u8fc7 Cloudflare \u76f4\u63a5\u653b\u51fb\u670d\u52a1\u5668 IP\uff1f<\/h3>\n<p>\u6838\u5fc3\u539f\u5219\u662f\u4e0d\u6cc4\u9732\u771f\u5b9e IP\u3002\u5177\u4f53\u63aa\u65bd\uff1a\u6240\u6709 DNS \u8bb0\u5f55\u5f00\u542f Cloudflare \u4ee3\u7406\uff08\u5c0f\u6a59\u4e91\uff09\uff1b\u66f4\u6362\u8fc7\u4e00\u6b21 IP \u7684\u5386\u53f2\u8bb0\u5f55\u4f1a\u5728\u5404\u79cd\u6570\u636e\u5e93\u4e2d\u7559\u5b58\uff0c\u66f4\u6362 IP \u540e\u68c0\u67e5\u662f\u5426\u8fd8\u6709\u8001 IP \u7684 DNS \u8bb0\u5f55\uff1bNginx \u65e5\u5fd7\u3001SSL \u8bc1\u4e66\u5386\u53f2\u3001\u90ae\u4ef6\u5934\u7b49\u90fd\u53ef\u80fd\u66b4\u9732\u771f\u5b9e IP\uff0c\u9700\u9010\u4e00\u6392\u67e5\uff1b\u540c\u65f6\u5728\u670d\u52a1\u5668\u9632\u706b\u5899\u53ea\u653e\u884c\u6765\u81ea Cloudflare IP \u6bb5\u7684\u6d41\u91cf\u3002<\/p>\n<h3>Q4\uff1a\u88ab DDoS \u653b\u51fb\u671f\u95f4\uff0c\u5982\u4f55\u901a\u8fc7 VNC \u63a7\u5236\u53f0\u64cd\u4f5c\u670d\u52a1\u5668\uff1f<\/h3>\n<p>\u5373\u4f7f\u670d\u52a1\u5668\u56e0\u653b\u51fb\u5bfc\u81f4 SSH \u65e0\u6cd5\u8fde\u63a5\uff0c\u4e91\u5e73\u53f0\u7684 VNC \u63a7\u5236\u53f0\u8d70\u7684\u662f\u72ec\u7acb\u7684\u7ba1\u7406\u7f51\u7edc\uff0c\u4e0d\u53d7 DDoS \u5f71\u54cd\uff0c\u901a\u5e38\u4ecd\u53ef\u6b63\u5e38\u4f7f\u7528\u3002\u540e\u6d6a\u4e91\u7528\u6237\u767b\u5f55 <a title=\"\u540e\u6d6a\u4e91\u63a7\u5236\u9762\u677f\" href=\"https:\/\/my.idc.net\/\">my.idc.net<\/a>\uff0c\u5728\u670d\u52a1\u5668\u7ba1\u7406\u9875\u9762\u627e\u5230\u300cVNC \u63a7\u5236\u53f0\u300d\u5373\u53ef\u8bbf\u95ee\u3002<\/p>\n<h3>Q5\uff1a\u540e\u6d6a\u4e91\u9999\u6e2f\u670d\u52a1\u5668\u6709 DDoS \u9632\u62a4\u80fd\u529b\u5417\uff1f<\/h3>\n<p>\u540e\u6d6a\u4e91\u9999\u6e2f\u670d\u52a1\u5668\u673a\u623f\u5177\u5907\u57fa\u7840 DDoS \u6d41\u91cf\u6e05\u6d17\u80fd\u529b\uff0c\u53ef\u62b5\u5fa1\u5e38\u89c4\u89c4\u6a21\u7684\u653b\u51fb\u3002\u5bf9\u4e8e\u9700\u8981\u66f4\u9ad8\u9632\u62a4\u7ea7\u522b\u7684\u4e1a\u52a1\uff08\u5982\u6e38\u620f\u3001\u91d1\u878d\uff09\uff0c\u5efa\u8bae\u5728\u670d\u52a1\u5668\u524d\u7aef\u63a5\u5165 Cloudflare\uff0c\u5e76\u8054\u7cfb\u540e\u6d6a\u4e91\u6280\u672f\u652f\u6301\u54a8\u8be2\u5b9a\u5236\u9ad8\u9632\u65b9\u6848\u3002\u906d\u53d7\u653b\u51fb\u65f6\u53ef\u901a\u8fc7 Telegram \u6216\u5de5\u5355 7\u00d724 \u5c0f\u65f6\u8054\u7cfb\u6280\u672f\u652f\u6301\u5904\u7f6e\u3002<\/p>\n<div class=\"article-footer\">\u672c\u6587\u9632\u5fa1\u65b9\u6848\u9002\u7528\u4e8e\u4e2d\u5c0f\u578b\u7f51\u7ad9\uff0c\u5927\u89c4\u6a21 T \u7ea7 DDoS \u653b\u51fb\u9700\u8981\u4e13\u4e1a\u9ad8\u9632\u670d\u52a1\u5546\u4ecb\u5165\u3002Cloudflare IP \u6bb5\u5982\u6709\u66f4\u65b0\u8bf7\u4ee5\u5b98\u65b9\u6587\u6863\u4e3a\u51c6\uff1acloudflare.com\/ips\u3002<br \/>\n\u672c\u6587\u7531 <a title=\"\u540e\u6d6a\u4e91\u5b98\u65b9\u535a\u5ba2\" href=\"https:\/\/idc.net\/help\/\">\u540e\u6d6a\u4e91\u6280\u672f\u56e2\u961f<\/a> \u64b0\u5199\uff0c\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u51fa\u5904\u3002<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u6458\u8981\uff1a\u670d\u52a1\u5668\u7a81\u7136\u8bbf\u95ee\u4e2d\u65ad\u3001\u5e26\u5bbd\u8dd1\u6ee1\u3001CPU \u98d9\u5347\u2014\u2014\u8fd9\u53ef\u80fd\u662f\u906d\u5230\u4e86 DDoS \u653b\u51fb\u3002\u672c\u6587\u4ece\u300c\u5224\u65ad\u662f\u5426\u771f\u7684\u88ab\u653b\u51fb [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[202646],"tags":[],"class_list":["post-442520","post","type-post","status-publish","format-standard","hentry","category-hkserver"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/442520","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=442520"}],"version-history":[{"count":1,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/442520\/revisions"}],"predecessor-version":[{"id":442521,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/442520\/revisions\/442521"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=442520"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=442520"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=442520"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}