\n| L5<\/td>\n | \u5bb9\u5668<\/td>\n | SQL\u6ce8\u5165\u3001XSS\u3001CVE\u6f0f\u6d1e<\/td>\n | \u9ad8<\/td>\n | ModSecurity + CRS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u8d8a\u9760\u524d\u62e6\u622a，\u6027\u80fd\u6d88\u8017\u8d8a\u4f4e\u3002 \u8fd9\u5c31\u662f\u7eb5\u6df1\u9632\u5fa1\u7684\u7cbe\u9ad3\u3002<\/p>\n
\n\u4e8c\u3001L1 \u5185\u6838\u5c42：\u7b2c\u4e00\u9053\u9632\u7ebf<\/h3>\nSYN Flood \u662f\u6700\u5e38\u89c1\u7684 DDoS \u653b\u51fb\u65b9\u5f0f\u3002\u653b\u51fb\u8005\u53d1\u9001\u5927\u91cf\u534a\u8fde\u63a5\u8bf7\u6c42，\u8017\u5c3d\u670d\u52a1\u5668\u8d44\u6e90\u3002<\/p>\n \u89e3\u51b3\u65b9\u6848：sysctl \u5185\u6838\u53c2\u6570\u8c03\u4f18 + firewalld \u9650\u901f<\/p>\n 2.1 sysctl \u914d\u7f6e<\/h4>\n# \u521b\u5efa\u914d\u7f6e\u6587\u4ef6
\nsudo bash -c 'cat > \/etc\/sysctl.d\/99-anti-ddos.conf << EOF
\n# ========================================
\n# SYN Flood \u9632\u62a4\u914d\u7f6e
\n# \u4f5c\u8005: wwj
\n# ========================================
\n\u200b
\n# \u3010\u5fc5\u987b\u3011\u542f\u7528 SYN Cookie
\n# \u539f\u7406: \u4e0d\u4fdd\u5b58\u534a\u8fde\u63a5\u72b6\u6001，\u7528\u52a0\u5bc6cookie\u9a8c\u8bc1
\nnet.ipv4.tcp_syncookies = 1
\n\u200b
\n# \u3010\u4f18\u5316\u3011\u51cf\u5c11 SYN \u91cd\u8bd5\u6b21\u6570 (\u9ed8\u8ba46)
\n# \u6548\u679c: \u66f4\u5feb\u91ca\u653e\u65e0\u6548\u8fde\u63a5
\nnet.ipv4.tcp_syn_retries = 2
\nnet.ipv4.tcp_synack_retries = 2
\n\u200b
\n# \u3010\u4f18\u5316\u3011\u589e\u52a0 SYN \u961f\u5217\u957f\u5ea6 (\u9ed8\u8ba4128)
\n# \u6548\u679c: \u5bb9\u7eb3\u66f4\u591a\u6b63\u5e38\u8fde\u63a5
\nnet.ipv4.tcp_max_syn_backlog = 4096
\n\u200b
\n# \u3010\u4f18\u5316\u3011TIME_WAIT \u590d\u7528
\n# \u6548\u679c: \u51cf\u5c11\u7aef\u53e3\u8017\u5c3d\u98ce\u9669
\nnet.ipv4.tcp_tw_reuse = 1
\nnet.ipv4.tcp_fin_timeout = 30
\n\u200b
\n# \u3010Docker\u5fc5\u987b\u3011\u589e\u5927\u8fde\u63a5\u8ddf\u8e2a\u8868
\n# \u9ed8\u8ba465535，\u9ad8\u5e76\u53d1\u573a\u666f\u5bb9\u6613\u6ee1
\nnet.netfilter.nf_conntrack_max = 1048576
\nEOF'
\n\u200b
\n# \u7acb\u5373\u751f\u6548
\nsudo sysctl -p \/etc\/sysctl.d\/99-anti-ddos.conf
\n\u200b
\n# \u9a8c\u8bc1\u914d\u7f6e
\nsysctl net.ipv4.tcp_syncookies
\n# \u8f93\u51fa\u5e94\u8be5\u662f: net.ipv4.tcp_syncookies = 1
\n2.2 firewalld SYN \u9650\u901f
\n\u76f8\u6bd4 iptables，firewalld \u7684\u7ba1\u7406\u66f4\u52a0\u73b0\u4ee3\u5316\u3002\u6211\u4eec\u5728\u9632\u706b\u5899\u5c42\u76f4\u63a5\u4e22\u5f03\u8fc7\u5feb\u7684\u8fde\u63a5\u3002<\/p>\n # \u9650\u5236\u6bcf\u79d2\u6700\u591a25\u4e2a\u65b0\u8fde\u63a5 (\u7a81\u53d150\u4e2a)
\nsudo firewall-cmd –permanent –direct –add-rule ipv4 filter INPUT 0 \\\\
\n \u00a0 \u00a0-p tcp –syn -m limit –limit 25\/s –limit-burst 50 -j ACCEPT
\n\u200b
\nsudo firewall-cmd –permanent –direct –add-rule ipv4 filter INPUT 1 \\\\
\n \u00a0 \u00a0-p tcp –syn -j DROP
\n\u200b
\n# \u9650\u5236 ICMP (\u9632 Ping Flood)
\nsudo firewall-cmd –permanent –direct –add-rule ipv4 filter INPUT 0 \\\\
\n \u00a0 \u00a0-p icmp -m limit –limit 10\/s –limit-burst 20 -j ACCEPT
\n\u200b
\nsudo firewall-cmd –permanent –direct –add-rule ipv4 filter INPUT 1 \\\\
\n \u00a0 \u00a0-p icmp -j DROP
\n\u200b
\n# \u91cd\u8f7d\u89c4\u5219
\nsudo firewall-cmd –reload
\n\u200b
\n# \u9a8c\u8bc1
\nsudo firewall-cmd –direct –get-all-rules<\/p>\n \u6548\u679c： 99% \u7684 SYN Flood \u653b\u51fb\u5728\u5185\u6838\u5c42\u5c31\u88ab\u4e22\u5f03，\u6839\u672c\u4e0d\u4f1a\u5230\u8fbe\u4f60\u7684 Nginx\u3002<\/p>\n
\n\u4e09\u3001L2 \u5bbf\u4e3b\u673a\u5c42：Fail2Ban + IPSet \u9ad8\u6027\u80fd\u5c01\u7981<\/h3>\n\u666e\u901a\u73a9\u5bb6\u7528 Fail2Ban \u4fee\u6539 iptables \u89c4\u5219，\u6bcf\u5c01\u4e00\u4e2a IP \u52a0\u4e00\u6761\u89c4\u5219，\u5c01\u51e0\u5343\u4e2a IP \u540e\u7cfb\u7edf\u5c31\u6162\u5982\u8717\u725b\u3002 \u9ad8\u7aef\u73a9\u5bb6\u4f7f\u7528 IPSet\u3002 \u65e0\u8bba\u5c01\u7981 1 \u4e2a\u8fd8\u662f 10 \u4e07\u4e2a IP，\u5339\u914d\u8017\u65f6\u90fd\u662f O(1)（\u6052\u5b9a\u65f6\u95f4），\u5bf9 CPU \u51e0\u4e4e\u96f6\u8d1f\u62c5\u3002<\/p>\n \u6b64\u5916，\u4e3a\u4e86\u5b8c\u7f8e\u914d\u5408 Docker，\u6211\u4eec\u4f7f\u7528 journald \u4f5c\u4e3a\u65e5\u5fd7\u9a71\u52a8，\u5f7b\u5e95\u89e3\u51b3\u5bb9\u5668\u65e5\u5fd7\u8f6e\u8f6c\u96be\u9898\u3002<\/p>\n 3.1 \u51c6\u5907\u5de5\u4f5c：\u914d\u7f6e Docker \u65e5\u5fd7\u9a71\u52a8<\/h4>\n\u4fee\u6539 docker-compose.yml，\u8ba9 OpenResty \u4f7f\u7528 journald \u5199\u65e5\u5fd7：<\/p>\n services:
\n op:
\n image: sprinng\/openresty:1.27.1.2-ms-small-alpine3.23.0
\n container_name: op
\n logging:
\n driver: journald # \u5173\u952e: \u4f7f\u7528\u7cfb\u7edf\u65e5\u5fd7\u9a71\u52a8
\n options:
\n tag: "{{.Name}}"<\/p>\n \u4fee\u6539\u540e\u8bb0\u5f97\u91cd\u5efa\u5bb9\u5668：docker-compose up -d –force-recreate<\/p>\n 3.2 \u5b89\u88c5 Fail2Ban \u548c IPSet<\/h4>\n# CentOS\/AlmaLinux
\nsudo dnf install -y epel-release
\nsudo dnf install -y fail2ban ipset
\n\u200b
\n# \u542f\u52a8\u670d\u52a1
\nsudo systemctl enable –now fail2ban<\/p>\n 3.3 \u914d\u7f6e 4 \u4e2a\u91d1\u724c\u76d1\u72f1<\/h4>\n\u9488\u5bf9\u4e0d\u540c\u7c7b\u578b\u7684\u653b\u51fb，\u6211\u4eec\u8bbe\u8ba1\u4e86 4 \u4e2a\u4e13\u7528\u7684\u201c\u76d1\u72f1\u201d：<\/p>\n \nnginx-bad-request: \u4e13\u6293\u534f\u8bae\u63a2\u6d4b（400\u9519\u8bef）<\/p>\n<\/li>\n \nnginx-path-scan: \u4e13\u6293\u76ee\u5f55\u626b\u63cf（404\u9519\u8bef）<\/p>\n<\/li>\n \nnginx-path-scan-crawler: \u722c\u866b\u4e13\u7528\u901a\u9053（\u5bb9\u5fcd\u5ea6\u66f4\u9ad8）<\/p>\n<\/li>\n \nnginx-auth-bruteforce: \u4e13\u6293\u66b4\u529b\u7834\u89e3（401\/403\u9519\u8bef）<\/p>\n<\/li>\n \u4e00\u952e\u521b\u5efa\u914d\u7f6e：<\/p>\n sudo bash -c 'cat > \/etc\/fail2ban\/jail.d\/docker-nginx.local << EOF
\n[DEFAULT]
\n# \u767d\u540d\u5355 (Cloudflare IP + \u672c\u5730IP)
\nignoreip = 127.0.0.1\/8 ::1 172.18.0.0\/16 192.168.0.0\/16 10.0.0.0\/8 173.245.48.0\/20 103.21.244.0\/22 103.22.200.0\/22 103.31.4.0\/22 141.101.64.0\/18 108.162.192.0\/18 190.93.240.0\/20 188.114.96.0\/20 197.234.240.0\/22 198.41.128.0\/17 162.158.0.0\/15 104.16.0.0\/13 104.24.0.0\/14 172.64.0.0\/13 131.0.72.0\/22
\n\u200b
\n# \u6838\u5fc3: \u4f7f\u7528 ipset \u9ad8\u6027\u80fd\u5c01\u7981
\nbanaction = iptables-ipset-proto6
\n\u200b
\n# \u76d1\u72f11: \u534f\u8bae\u63a2\u6d4b (1\u6b21400\u5373\u5c01)
\n[nginx-bad-request]
\nenabled = true
\nbackend = systemd
\njournalmatch = CONTAINER_NAME=op
\nfilter = nginx-bad-request
\nmaxretry = 1
\nfindtime = 60
\nbantime = 604800 # \u5c017\u5929
\n\u200b
\n# \u76d1\u72f12: \u8def\u5f84\u626b\u63cf (60\u79d220\u6b21404)
\n[nginx-path-scan]
\nenabled = true
\nbackend = systemd
\njournalmatch = CONTAINER_NAME=op
\nfilter = nginx-path-scan
\nmaxretry = 20
\nfindtime = 60
\nbantime = 3600
\n\u200b
\n# \u76d1\u72f13: \u722c\u866b\u5bb9\u9519\u901a\u9053
\n[nginx-path-scan-crawler]
\nenabled = true
\nbackend = systemd
\njournalmatch = CONTAINER_NAME=op
\nfilter = nginx-path-scan-crawler
\nmaxretry = 200
\nfindtime = 60
\nbantime = 3600
\n\u200b
\n# \u76d1\u72f14: \u66b4\u529b\u7834\u89e3 (10\u6b21401\/403)
\n[nginx-auth-bruteforce]
\nenabled = true
\nbackend = systemd
\njournalmatch = CONTAINER_NAME=op
\nfilter = nginx-auth-bruteforce
\nmaxretry = 10
\nfindtime = 60
\nbantime = 21600
\nEOF'<\/p>\n \u6ce8：\u5bf9\u5e94\u7684 filter \u914d\u7f6e\u6587\u4ef6\u8f83\u957f，\u56e0\u7bc7\u5e45\u9650\u5236\u672a\u5b8c\u5168\u5217\u51fa，\u6587\u672b\u90e8\u7f72\u5305\u4e2d\u5305\u542b\u5b8c\u6574\u914d\u7f6e\u3002<\/p>\n
\n\u56db\u3001L3 \u5bb9\u5668 Lua \u5c42：\u9ad8\u6027\u80fd UA \u62e6\u622a<\/h3>\n\u4e3a\u4ec0\u4e48\u7528 Lua \u800c\u4e0d\u662f nginx if？ \u56e0\u4e3a Lua \u7075\u6d3b\u3001\u6027\u80fd\u9ad8，\u4e14\u53ef\u4ee5\u6253\u5370\u8be6\u7ec6\u65e5\u5fd7，\u65b9\u4fbf\u6392\u67e5\u662f\u8c01\u5728\u653b\u51fb\u4f60\u3002<\/p>\n — block_rules.lua \u7247\u6bb5
\n— \u89c4\u5219: \u62e6\u622a\u5e38\u89c1\u9ed1\u5ba2\u5de5\u5177\u548c\u811a\u672c<\/p>\n local ua_blacklist = {
\n {"^curl\/", "curl"},
\n {"^Wget\/", "wget"},
\n {"^python%-requests", "python-requests"},
\n {"^Go%-http%-client", "go-http-client"},
\n {"^Scrapy", "scrapy"},
\n — … \u66f4\u591a\u89c4\u5219
\n}<\/p>\n local ua = ngx.var.http_user_agent or ""
\nfor _, rule in ipairs(ua_blacklist) do
\n if string.match(string.lower(ua), rule[1]) then
\n ngx.log(ngx.WARN, "[BLOCK] reason=ua_blacklist, tool=", rule[2], ", ip=", ngx.var.remote_addr)
\n return ngx.exit(444) — 444 \u76f4\u63a5\u65ad\u5f00\u8fde\u63a5，\u4e0d\u7ed9\u4efb\u4f55\u56de\u663e
\n end
\nend<\/p>\n \u6548\u679c： \u7edd\u5927\u591a\u6570\u811a\u672c\u5c0f\u5b50（Script Kiddies）\u5728\u8fd9\u4e00\u5c42\u5c31\u4f1a\u88ab\u65e0\u60c5\u65ad\u5f00，\u8fde HTTP \u5934\u90fd\u62ff\u4e0d\u5230\u3002<\/p>\n
\n\u4e94\u3001L4 \u5bb9\u5668\u9650\u6d41\u5c42：nginx limit_req<\/h3>\nCC \u653b\u51fb\u7684\u7279\u70b9\u662f：\u9ad8\u9891\u8bf7\u6c42，\u6d88\u8017\u670d\u52a1\u5668\u8d44\u6e90\u3002<\/p>\n nginx \u7684 limit_req \u662f\u6700\u9ad8\u6548\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n 5.1 \u6838\u5fc3\u914d\u7f6e<\/h4>\n# http \u5757\u4e2d\u5b9a\u4e49 zone
\n# \u5173\u952e: \u4f7f\u7528 $binary_remote_addr$host \u4f5c\u4e3a key
\n# \u00a0 \u00a0 \u00a0 \u540c\u4e00 IP \u8bbf\u95ee\u4e0d\u540c\u57df\u540d，\u72ec\u7acb\u8ba1\u6570
\nlimit_req_zone $binary_remote_addr$host zone=domain_req_limit:10m rate=60r\/s;
\n\u200b
\n# server \u5757\u4e2d\u4f7f\u7528
\nlimit_req zone=domain_req_limit burst=100 nodelay;
\nlimit_req_status 429;<\/p>\n \u53c2\u6570\u8be6\u89e3：<\/p>\n \n\u53c2\u6570\u542b\u4e49<\/tr>\n \n\n| $binary_remote_addr$host<\/td>\n | \u6309 IP+\u57df\u540d \u72ec\u7acb\u8ba1\u6570<\/td>\n<\/tr>\n | \n| 10m<\/td>\n | 10MB \u5185\u5b58，\u7ea6\u5b58\u50a8 16 \u4e07\u4e2a key<\/td>\n<\/tr>\n | \n| rate=60r\/s<\/td>\n | \u6bcf\u79d2\u6700\u591a 60 \u4e2a\u8bf7\u6c42<\/td>\n<\/tr>\n | \n| burst=100<\/td>\n | \u5141\u8bb8\u7a81\u53d1 100 \u4e2a\u8bf7\u6c42<\/td>\n<\/tr>\n | \n| nodelay<\/td>\n | \u7a81\u53d1\u8bf7\u6c42\u4e0d\u6392\u961f，\u76f4\u63a5\u5904\u7406\u6216\u62d2\u7edd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u4e3a\u4e86\u66f4\u5f62\u8c61\u5730\u7406\u89e3，\u6211\u4eec\u53ef\u4ee5\u628a\u5b83\u770b\u4f5c\u4e00\u4e2a\u201c\u6f0f\u6876\u201d，\u5982\u4e0b\u56fe\u6240\u793a：![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260127232526-697949668eb04.webp\") <\/p>\n 5.2 \u4e3a\u4ec0\u4e48\u7528 IP+\u57df\u540d \u4f5c\u4e3a key？<\/h4>\n\u5047\u8bbe\u4f60\u6709\u591a\u4e2a\u57df\u540d：a.com\u3001b.com\u3001c.com<\/p>\n \u5982\u679c\u53ea\u7528 IP \u4f5c\u4e3a key：<\/p>\n \n- \n
\u7528\u6237\u8bbf\u95ee a.com 30\u6b21 + b.com 30\u6b21 + c.com 30\u6b21<\/p>\n<\/li>\n - \n
\u603b\u8ba1 90 \u6b21，\u89e6\u53d1\u9650\u6d41，\u7528\u6237\u4f53\u9a8c\u5dee<\/p>\n<\/li>\n<\/ul>\n \u4f7f\u7528 IP+\u57df\u540d \u4f5c\u4e3a key：<\/p>\n \n- \n
\u6bcf\u4e2a\u57df\u540d\u72ec\u7acb\u8ba1\u6570<\/p>\n<\/li>\n - \n
\u7528\u6237\u6bcf\u4e2a\u57df\u540d\u90fd\u53ef\u4ee5\u8bbf\u95ee 60 \u6b21<\/p>\n<\/li>\n - \n
\u4e0d\u4f1a\u8bef\u4f24\u6b63\u5e38\u7528\u6237<\/p>\n<\/li>\n<\/ul>\n
\n\u516d\u3001L5 \u5bb9\u5668 WAF \u5c42：ModSecurity + OWASP CRS<\/h3>\n\u8fd9\u662f\u6700\u540e\u4e00\u9053\u9632\u7ebf，\u4e5f\u662f\u6700\u667a\u80fd\u7684\u9632\u7ebf\u3002\u5b83\u80fd\u8bc6\u522b SQL \u6ce8\u5165\u3001XSS\u3001WebShell \u4e0a\u4f20\u7b49\u590d\u6742\u653b\u51fb\u3002<\/p>\n 6.1 \u6838\u5fc3\u914d\u7f6e\u907f\u5751<\/h4>\n\u65b0\u624b\u6700\u5bb9\u6613\u8e29\u7684\u5751： Fail2Ban \u542f\u52a8\u5931\u8d25\u3002 \u539f\u56e0\u5f80\u5f80\u662f ModSecurity \u7684\u5ba1\u8ba1\u65e5\u5fd7\u6587\u4ef6\u4e0d\u5b58\u5728\u3002Fail2Ban \u542f\u52a8\u65f6\u5fc5\u987b\u68c0\u6d4b\u5230\u65e5\u5fd7\u6587\u4ef6，\u5426\u5219\u4f1a\u62a5\u9519\u9000\u51fa\u3002<\/p>\n \u89e3\u51b3\u65b9\u6848（Pro Tip）： \u5728\u90e8\u7f72\u524d，\u52a1\u5fc5\u624b\u52a8\u521b\u5efa\u65e5\u5fd7\u6587\u4ef6：<\/p>\n # \u786e\u4fdd\u76ee\u5f55\u548c\u6587\u4ef6\u5b58\u5728
\nsudo mkdir -p \/data\/op\/modsecurity\/logs\/modsecurity\/
\nsudo touch \/data\/op\/modsecurity\/logs\/modsecurity\/audit.log
\n\u200b
\n# \u7136\u540e\u518d\u542f\u52a8\u5bb9\u5668\u548c Fail2Ban<\/p>\n 6.2 \u542f\u7528 OWASP CRS<\/h4>\n\u6211\u4eec\u4f7f\u7528 OWASP Core Rule Set (CRS) v4，\u8fd9\u662f\u76ee\u524d\u4e16\u754c\u4e0a\u6700\u4f18\u79c0\u7684\u5f00\u6e90 WAF \u89c4\u5219\u96c6\u3002<\/p>\n # modsecurity.conf
\nSecRuleEngine On \u00a0# \u5f00\u542f\u62e6\u622a\u6a21\u5f0f
\nInclude \/etc\/modsecurity\/coreruleset\/crs-setup.conf
\nInclude \/etc\/modsecurity\/coreruleset\/rules\/*.conf<\/p>\n
\n\u4e03\u3001\u5feb\u901f\u9a8c\u8bc1：\u4f60\u7684\u76fe\u724c\u575a\u56fa\u5417？<\/h3>\n\u90e8\u7f72\u5b8c\u6210\u540e，\u522b\u5fd8\u4e86\u6d4b\u8bd5\u4e00\u4e0b：<\/p>\n # 1. \u6d4b\u8bd5 Lua \u62e6\u622a (\u6a21\u62df Curl)
\ncurl http:\/\/your-domain.com\/
\n# \u9884\u671f: \u8fde\u63a5\u88ab\u7acb\u5373\u5173\u95ed (Empty reply from server)
\n\u200b
\n# 2. \u6d4b\u8bd5 WAF \u62e6\u622a (\u6a21\u62df SQL \u6ce8\u5165)
\ncurl "http:\/\/your-domain.com\/?id=1' OR '1'='1"
\n# \u9884\u671f: 403 Forbidden
\n\u200b
\n# 3. \u6d4b\u8bd5 Fail2Ban (\u6a21\u62df\u626b\u63cf)
\n# \u5728\u53e6\u4e00\u53f0\u673a\u5668\u8fde\u7eed\u8bf7\u6c42\u4e0d\u5b58\u5728\u7684\u9875\u9762
\nfor i in {1..30}; do curl http:\/\/your-domain.com\/scan_$i; done
\n# \u9884\u671f: IP \u88ab\u5c01\u7981，\u8fde\u63a5\u8d85\u65f6<\/p>\n
\n\u516b\u3001\u4e3a\u4ec0\u4e48\u4f60\u9700\u8981\u201c\u751f\u4ea7\u7ea7\u5b89\u5168\u90e8\u7f72\u5305\u201d？<\/h3>\n\u4e0a\u9762\u5c55\u793a\u7684\u662f\u6838\u5fc3\u914d\u7f6e，\u8db3\u4ee5\u5e94\u5bf9 90% \u7684\u666e\u901a\u653b\u51fb\u3002\u4f46\u4ece\u201c\u80fd\u7528\u201d\u5230\u201c\u751f\u4ea7\u7ea7\u597d\u7528\u201d，\u8fd8\u6709\u5f88\u957f\u7684\u8def\u8981\u8d70：<\/p>\n - \n
Fail2Ban \u7684 filter \u6b63\u5219\u5f88\u96be\u5199：\u5199\u9519\u4e00\u4e2a\u5b57\u7b26，Fail2Ban \u5c31\u65e0\u6cd5\u8bc6\u522b\u65e5\u5fd7，\u9632\u62a4\u5931\u6548\u3002<\/p>\n<\/li>\n - \n
ModSecurity \u8bef\u62a5\u591a：WordPress \u540e\u53f0\u65e0\u6cd5\u4fdd\u5b58？\u5bcc\u6587\u672c\u7f16\u8f91\u5668\u65e0\u6cd5\u63d0\u4ea4？\u4e0d\u5904\u7406\u8bef\u62a5，\u7f51\u7ad9\u6839\u672c\u6ca1\u6cd5\u7528\u3002<\/p>\n<\/li>\n - \n
\u89c4\u5219\u5e93\u66f4\u65b0\u9ebb\u70e6：\u653b\u51fb\u624b\u6bb5\u65e5\u65b0\u6708\u5f02，\u4f60\u7684\u89c4\u5219\u5e93\u8fd8\u5728\u7528\u53bb\u5e74\u7684\u5417？<\/p>\n<\/li>\n - \n
IPSet \u914d\u7f6e\u590d\u6742：\u9700\u8981\u7cbe\u786e\u7684 ipset \u547d\u4ee4\u914d\u5408 iptables \u624d\u80fd\u751f\u6548，\u9519\u4e00\u6b65\u5c31\u662f\u5168\u7f51\u65ad\u8fde\u3002<\/p>\n<\/li>\n \u5982\u6709\u9700\u6c42,\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7 [\u6280\u672f\u4fee\u7f57] ,\u83b7\u53d6<\/p>\n ![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260127232526-6979496699b1e.png\") <\/p><\/p>\n","protected":false},"excerpt":{"rendered":"
\u524d\u8a00：\u4e00\u4e2a\u8ba9\u6211\u591c\u4e0d\u80fd\u5bd0\u7684\u95ee\u9898\u4e0a\u5468\u4e94\u51cc\u66683\u70b9，\u6211\u88ab\u77ed\u4fe1\u60ca\u9192\u2014\u2014\u670d\u52a1\u5668CPU\u98d9\u5230100%，\u7f51\u7ad9\u5168\u6302\u3002\u67e5\u65e5\u5fd7，\u89e6\u76ee\u60ca\u5fc3：# 1\u5c0f\u65f6\u5185\u7684\u6076\u610f\u8bf7\u6c42
\ngrep \\”nikto\\\\|sqlmap\\\\|nmap\\” access.log | wc -l
\n# \u7ed3\u679c：238472\u4e07\u591a\u6b21\u653b\u51fb\u626b\u63cf，\u6765\u81ea\u5168\u7403\u5404\u5730\u7684IP，\u75af\u72c2\u63a2\u6d4b\u6211\u7684\u6f0f\u6d1e\u3002\u8fd9\u4e0d\u662f\u4e2a\u4f8b\u3002\u6839\u636e Cloudflare 2025\u5e74\u62a5\u544a<\/p>\n","protected":false},"author":2,"featured_media":67069,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[43,44],"topic":[],"class_list":["post-67073","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-43","tag-44"],"yoast_head":"\n \u51cc\u66683\u70b9\u670d\u52a1\u5668\u88abCPU\u6253\u7206\uff01\u4ece\u88f8\u5954\u5230\u94dc\u5899\u94c1\u58c1\uff0c\u8fd9\u5957\u7eb5\u6df1\u9632\u5fa1\u65b9\u6848\u6551\u4e86\u6211\u7684\u547d - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/67073.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u51cc\u66683\u70b9\u670d\u52a1\u5668\u88abCPU\u6253\u7206\uff01\u4ece\u88f8\u5954\u5230\u94dc\u5899\u94c1\u58c1\uff0c\u8fd9\u5957\u7eb5\u6df1\u9632\u5fa1\u65b9\u6848\u6551\u4e86\u6211\u7684\u547d - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u524d\u8a00：\u4e00\u4e2a\u8ba9\u6211\u591c\u4e0d\u80fd\u5bd0\u7684\u95ee\u9898\u4e0a\u5468\u4e94\u51cc\u66683\u70b9，\u6211\u88ab\u77ed\u4fe1\u60ca\u9192\u2014\u2014\u670d\u52a1\u5668CPU\u98d9\u5230100%，\u7f51\u7ad9\u5168\u6302\u3002\u67e5\u65e5\u5fd7，\u89e6\u76ee\u60ca\u5fc3：# 1\u5c0f\u65f6\u5185\u7684\u6076\u610f\u8bf7\u6c42 grep "nikto\\|sqlmap\\|nmap" access.log | wc -l # \u7ed3\u679c：238472\u4e07\u591a\u6b21\u653b\u51fb\u626b\u63cf，\u6765\u81ea\u5168\u7403\u5404\u5730\u7684IP，\u75af\u72c2\u63a2\u6d4b\u6211\u7684\u6f0f\u6d1e\u3002\u8fd9\u4e0d\u662f\u4e2a\u4f8b\u3002\u6839\u636e Cloudflare 2025\u5e74\u62a5\u544a\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/67073.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-27T23:25:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260127232524-69794964b2472.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/67073.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/67073.html\",\"name\":\"\u51cc\u66683\u70b9\u670d\u52a1\u5668\u88abCPU\u6253\u7206\uff01\u4ece\u88f8\u5954\u5230\u94dc\u5899\u94c1\u58c1\uff0c\u8fd9\u5957\u7eb5\u6df1\u9632\u5fa1\u65b9\u6848\u6551\u4e86\u6211\u7684\u547d - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-01-27T23:25:28+00:00\",\"dateModified\":\"2026-01-27T23:25:28+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/67073.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/67073.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/67073.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u51cc\u66683\u70b9\u670d\u52a1\u5668\u88abCPU\u6253\u7206\uff01\u4ece\u88f8\u5954\u5230\u94dc\u5899\u94c1\u58c1\uff0c\u8fd9\u5957\u7eb5\u6df1\u9632\u5fa1\u65b9\u6848\u6551\u4e86\u6211\u7684\u547d\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u51cc\u66683\u70b9\u670d\u52a1\u5668\u88abCPU\u6253\u7206\uff01\u4ece\u88f8\u5954\u5230\u94dc\u5899\u94c1\u58c1\uff0c\u8fd9\u5957\u7eb5\u6df1\u9632\u5fa1\u65b9\u6848\u6551\u4e86\u6211\u7684\u547d - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/67073.html","og_locale":"zh_CN","og_type":"article","og_title":"\u51cc\u66683\u70b9\u670d\u52a1\u5668\u88abCPU\u6253\u7206\uff01\u4ece\u88f8\u5954\u5230\u94dc\u5899\u94c1\u58c1\uff0c\u8fd9\u5957\u7eb5\u6df1\u9632\u5fa1\u65b9\u6848\u6551\u4e86\u6211\u7684\u547d - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u524d\u8a00：\u4e00\u4e2a\u8ba9\u6211\u591c\u4e0d\u80fd\u5bd0\u7684\u95ee\u9898\u4e0a\u5468\u4e94\u51cc\u66683\u70b9，\u6211\u88ab\u77ed\u4fe1\u60ca\u9192\u2014\u2014\u670d\u52a1\u5668CPU\u98d9\u5230100%，\u7f51\u7ad9\u5168\u6302\u3002\u67e5\u65e5\u5fd7，\u89e6\u76ee\u60ca\u5fc3：# 1\u5c0f\u65f6\u5185\u7684\u6076\u610f\u8bf7\u6c42 grep \"nikto\\|sqlmap\\|nmap\" access.log | wc -l # \u7ed3\u679c：238472\u4e07\u591a\u6b21\u653b\u51fb\u626b\u63cf，\u6765\u81ea\u5168\u7403\u5404\u5730\u7684IP，\u75af\u72c2\u63a2\u6d4b\u6211\u7684\u6f0f\u6d1e\u3002\u8fd9\u4e0d\u662f\u4e2a\u4f8b\u3002\u6839\u636e Cloudflare 2025\u5e74\u62a5\u544a","og_url":"https:\/\/www.wsisp.com\/helps\/67073.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-01-27T23:25:28+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260127232524-69794964b2472.png"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"4 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/67073.html","url":"https:\/\/www.wsisp.com\/helps\/67073.html","name":"\u51cc\u66683\u70b9\u670d\u52a1\u5668\u88abCPU\u6253\u7206\uff01\u4ece\u88f8\u5954\u5230\u94dc\u5899\u94c1\u58c1\uff0c\u8fd9\u5957\u7eb5\u6df1\u9632\u5fa1\u65b9\u6848\u6551\u4e86\u6211\u7684\u547d - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-01-27T23:25:28+00:00","dateModified":"2026-01-27T23:25:28+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/67073.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/67073.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/67073.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"\u51cc\u66683\u70b9\u670d\u52a1\u5668\u88abCPU\u6253\u7206\uff01\u4ece\u88f8\u5954\u5230\u94dc\u5899\u94c1\u58c1\uff0c\u8fd9\u5957\u7eb5\u6df1\u9632\u5fa1\u65b9\u6848\u6551\u4e86\u6211\u7684\u547d"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/67073","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=67073"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/67073\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/67069"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=67073"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=67073"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=67073"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=67073"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}} | |
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260127232524-69794964b2472.png\")
\u524d\u8a00：\u4e00\u4e2a\u8ba9\u6211\u591c\u4e0d\u80fd\u5bd0\u7684\u95ee\u9898<\/h3>\n![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260127232525-69794965553ae.png\")
<\/p>\n