{"id":19749,"date":"2024-11-12T09:14:44","date_gmt":"2024-11-12T01:14:44","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-cn\/traditional-firewall-vs-anti-ddos-firewall-key-differences\/"},"modified":"2025-04-11T09:18:15","modified_gmt":"2025-04-11T01:18:15","slug":"traditional-firewall-vs-anti-ddos-firewall-key-differences","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/blog\/traditional-firewall-vs-anti-ddos-firewall-key-differences\/","title":{"rendered":"\u4f20\u7edf\u9632\u706b\u5899\u4e0e\u53cdDDoS\u9632\u706b\u5899\uff1a\u4e3b\u8981\u533a\u522b"},"content":{"rendered":"

\u5728\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528<\/a>\u57fa\u7840\u8bbe\u65bd\u5feb\u901f\u53d1\u5c55\u7684\u73af\u5883\u4e2d\uff0c\u7406\u89e3\u4f20\u7edf\u9632\u706b\u5899\u548c\u53cdDDoS<\/a>\u9632\u706b\u5899\u4e4b\u95f4\u7684\u533a\u522b\u5bf9\u7ef4\u62a4\u5f3a\u5927\u7684\u7f51\u7edc\u5b89\u5168\u53d8\u5f97\u81f3\u5173\u91cd\u8981\u3002\u968f\u7740\u7f51\u7edc\u5a01\u80c1\u5728\u4e9a\u592a\u5730\u533a\u53d8\u5f97\u65e5\u76ca\u590d\u6742\uff0c\u7ec4\u7ec7\u673a\u6784\u5fc5\u987b\u8c03\u6574\u5176\u9632\u5fa1\u673a\u5236\uff0c\u4ee5\u9632\u62a4\u4f20\u7edf\u653b\u51fb\u548c\u5927\u89c4\u6a21DDoS\u653b\u51fb\u3002<\/p>\n

\u7406\u89e3\u4f20\u7edf\u9632\u706b\u5899\u67b6\u6784<\/strong><\/h2>\n

\u4f20\u7edf\u9632\u706b\u5899\u57fa\u4e8e\u6570\u636e\u5305\u8fc7\u6ee4\u8303\u5f0f\u8fd0\u4f5c\uff0c\u5728\u4e0d\u540c\u7684OSI\u5c42\u68c0\u67e5\u7f51\u7edc\u6d41\u91cf\u3002\u8fd9\u4e9b\u7cfb\u7edf\u901a\u5e38\u901a\u8fc7\u4e00\u7cfb\u5217\u9884\u5b9a\u4e49\u7684\u89c4\u5219\u548c\u7b56\u7565\u5904\u7406\u6d41\u91cf\uff0c\u4f5c\u4e3a\u9632\u6b62\u672a\u6388\u6743\u8bbf\u95ee\u5c1d\u8bd5\u7684\u7b2c\u4e00\u9053\u9632\u7ebf\u3002<\/p>\n

\u4f20\u7edf\u9632\u706b\u5899\u7684\u5173\u952e\u7ec4\u4ef6\u5305\u62ec\uff1a<\/p>\n

– \u72b6\u6001\u5305\u68c0\u6d4b\uff08SPI\uff09<\/p>\n

– \u7f51\u7edc\u5730\u5740\u8f6c\u6362\uff08NAT\uff09<\/p>\n

– \u5e94\u7528\u5c42\u7f51\u5173<\/p>\n

– \u865a\u62df\u4e13\u7528\u7f51\u7edc\uff08VPN\uff09\u652f\u6301<\/p>\n

\r\n# \u57fa\u672cIptables\u89c4\u5219\u7ed3\u6784\u793a\u4f8b\r\n# \u5141\u8bb8HTTP\u548cHTTPS\u6d41\u91cf\r\niptables -A INPUT -p tcp --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT\r\niptables -A INPUT -p tcp --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT\r\n\r\n# \u5c4f\u853d\u7279\u5b9aIP\u8303\u56f4\r\niptables -A INPUT -s 192.xxx.x.0\/24 -j DROP\r\niptables -A INPUT -s 10.x.x.0\/8 -j DROP\r\n\r\n# SSH\u8fde\u63a5\u901f\u7387\u9650\u5236\r\niptables -A INPUT -p tcp --dport 22 -m state --state NEW -m recent --set\r\niptables -A INPUT -p tcp --dport 22 -m state --state NEW -m recent --update --seconds 60 --hitcount 4 -j DROP\r\n<\/code><\/pre>\n
\u53cdDDoS\u9632\u706b\u5899\u6838\u5fc3\u7ec4\u4ef6<\/strong><\/h2>\n
\u53cdDDoS\u9632\u706b\u5899\u4ee3\u8868\u4e86\u7f51\u7edc\u5b89\u5168\u7684\u91cd\u8981\u6f14\u8fdb\uff0c\u6574\u5408\u4e86\u5148\u8fdb\u7684\u6d41\u91cf\u5206\u6790\u7b97\u6cd5\u548c\u4e13\u7528\u786c\u4ef6\u6765\u7f13\u89e3\u5927\u89c4\u6a21\u653b\u51fb\u3002\u8fd9\u4e9b\u7cfb\u7edf\u5229\u7528\u884c\u4e3a\u5206\u6790\u3001\u673a\u5668\u5b66\u4e60\u548c\u5b9e\u65f6\u6d41\u91cf\u6a21\u5f0f\u8bc6\u522b\u6765\u8bc6\u522b\u548c\u6d88\u9664\u5a01\u80c1\u3002<\/p>\n
\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n
1. \u6d41\u91cf\u5f02\u5e38\u68c0\u6d4b<\/p>\n
2. \u534f\u8bae\u5206\u6790<\/p>\n
3. \u884c\u4e3a\u5b66\u4e60<\/p>\n
4. \u5b9e\u65f6\u7279\u5f81\u751f\u6210<\/p>\n
5. \u81ea\u52a8\u7f13\u89e3\u54cd\u5e94<\/p>\n
\r\n# DDoS\u7f13\u89e3\u914d\u7f6e\u793a\u4f8b\r\n# nginx\u901f\u7387\u9650\u5236\u914d\u7f6e\r\nlimit_req_zone $binary_remote_addr zone=one:10m rate=1r\/s;\r\nlimit_conn_zone $binary_remote_addr zone=addr:10m;\r\n\r\nlocation \/ {\r\n    limit_req zone=one burst=5 nodelay;\r\n    limit_conn addr 10;\r\n    \r\n    # \u9ad8\u7ea7\u4fdd\u62a4\r\n    client_body_timeout 10s;\r\n    client_header_timeout 10s;\r\n    \r\n    # \u81ea\u5b9a\u4e49\u9519\u8bef\u5904\u7406\r\n    error_page 503 \/custom_error_page.html;\r\n    \r\n    proxy_pass http:\/\/backend;\r\n    proxy_set_header X-Real-IP $remote_addr;\r\n}\r\n\r\n# TCP\/UDP\u6d2a\u6c34\u9632\u62a4\r\nstream {\r\n    limit_conn_zone $binary_remote_addr zone=stream_conn:10m;\r\n    \r\n    server {\r\n        listen 12345;\r\n        limit_conn stream_conn 5;\r\n        proxy_pass backend_server;\r\n    }\r\n}\r\n<\/code><\/pre>\n
\u6280\u672f\u5b9e\u73b0\u5dee\u5f02<\/strong><\/h2>\n
\u4f20\u7edf\u9632\u706b\u5899\u548c\u53cdDDoS\u9632\u706b\u5899\u7684\u67b6\u6784\u5dee\u5f02\u8d85\u51fa\u4e86\u57fa\u672c\u529f\u80fd\uff1a<\/p>\n
\u4f20\u7edf\u9632\u706b\u5899\uff1a<\/p>\n
– \u7ebf\u6027\u6570\u636e\u5305\u5904\u7406<\/p>\n
– \u9759\u6001\u89c4\u5219\u8fc7\u6ee4<\/p>\n
– \u6709\u9650\u7684\u8fde\u63a5\u8ddf\u8e2a<\/p>\n
– \u57fa\u672c\u534f\u8bae\u9a8c\u8bc1<\/p>\n
– \u6807\u51c6\u786c\u4ef6\u67b6\u6784<\/p>\n
\u53cdDDoS\u9632\u706b\u5899\uff1a<\/p>\n
– \u4f7f\u7528\u4e13\u7528ASIC\u7684\u5e76\u884c\u5904\u7406<\/p>\n
– \u52a8\u6001\u89c4\u5219\u751f\u6210<\/p>\n
– \u9ad8\u7ea7\u8fde\u63a5\u8ddf\u8e2a<\/p>\n
– \u6df1\u5ea6\u534f\u8bae\u5206\u6790<\/p>\n
– \u4e13\u7528\u786c\u4ef6\u4f18\u5316<\/p>\n
– \u673a\u5668\u5b66\u4e60\u80fd\u529b<\/p>\n
\u6027\u80fd\u6307\u6807\u5bf9\u6bd4<\/strong><\/h2>\n
\u6700\u8fd1\u7684\u57fa\u51c6\u6d4b\u8bd5\u663e\u793a\u4e24\u79cd\u65b9\u6cd5\u4e4b\u95f4\u5b58\u5728\u663e\u8457\u7684\u6027\u80fd\u5dee\u5f02\uff1a<\/p>\n
\u4f20\u7edf\u9632\u706b\u5899\uff1a<\/p>\n
– \u541e\u5410\u91cf\uff1a1-10 Gbps<\/p>\n
– \u5e76\u53d1\u8fde\u63a5\uff1a10\u4e07-100\u4e07<\/p>\n
– \u5ef6\u8fdf\uff1a1-5\u6beb\u79d2<\/p>\n
– \u8fde\u63a5\u5efa\u7acb\u7387\uff1a5\u4e07\/\u79d2<\/p>\n
– \u89c4\u5219\u5904\u7406\uff1a\u987a\u5e8f\u5904\u7406<\/p>\n
\u53cdDDoS\u9632\u706b\u5899\uff1a<\/p>\n
– \u541e\u5410\u91cf\uff1a100+ Gbps<\/p>\n
– \u5e76\u53d1\u8fde\u63a5\uff1a1000\u4e07+<\/p>\n
– \u5ef6\u8fdf\uff1a0.5-2\u6beb\u79d2<\/p>\n
– \u8fde\u63a5\u5efa\u7acb\u7387\uff1a100\u4e07+\/\u79d2<\/p>\n
– \u89c4\u5219\u5904\u7406\uff1a\u786c\u4ef6\u52a0\u901f\u5e76\u884c\u5904\u7406<\/p>\n
\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u8003\u8651\u56e0\u7d20<\/strong><\/h2>\n
\u4f5c\u4e3a\u4e3b\u8981\u4e92\u8054\u7f51\u67a2\u7ebd\uff0c\u9999\u6e2f\u5728\u9632\u706b\u5899\u90e8\u7f72\u65b9\u9762\u9700\u8981\u7279\u6b8a\u8003\u8651\uff1a<\/p>\n
\u5730\u7406\u56e0\u7d20\uff1a<\/p>\n
– \u9760\u8fd1\u4e3b\u8981\u653b\u51fb\u6e90<\/p>\n
– \u9ad8\u5bc6\u5ea6\u7f51\u7edc\u57fa\u7840\u8bbe\u65bd<\/p>\n
– \u56fd\u9645\u6d41\u91cf\u6a21\u5f0f<\/p>\n
– \u8de8\u5883\u6570\u636e\u6cd5\u89c4<\/p>\n
\u6280\u672f\u8981\u6c42\uff1a<\/p>\n
– \u9ad8\u5e26\u5bbd\u5bb9\u91cf<\/p>\n
– \u4f4e\u5ef6\u8fdf\u5904\u7406<\/p>\n
– \u591a\u4e0a\u6e38\u4f9b\u5e94\u5546<\/p>\n
– \u533a\u57df\u5408\u89c4\u6807\u51c6<\/p>\n
\u5b9e\u65bd\u6848\u4f8b\u7814\u7a76<\/strong><\/h2>\n
\u6df7\u5408\u4fdd\u62a4\u5b9e\u65bd\u7684\u5b9e\u9645\u793a\u4f8b\uff1a<\/p>\n
\r\n# \u6df7\u5408\u4fdd\u62a4\u914d\u7f6e\r\nupstream backend_servers {\r\n    server backend1.example.com:80;\r\n    server backend2.example.com:80 backup;\r\n    keepalive 32;\r\n}\r\n\r\nserver {\r\n    listen 80;\r\n    server_name example.com;\r\n    \r\n    # DDoS\u4fdd\u62a4\u5c42\r\n    limit_conn_zone $binary_remote_addr zone=addr:10m;\r\n    limit_conn addr 10;\r\n    \r\n    # \u5b89\u5168\u5934\u90e8\r\n    add_header X-Frame-Options \"SAMEORIGIN\";\r\n    add_header X-XSS-Protection \"1; mode=block\";\r\n    add_header X-Content-Type-Options \"nosniff\";\r\n    \r\n    # \u4f20\u7edf\u5b89\u5168\u5c42\r\n    location \/ {\r\n        allow 192.168.1.0\/24;\r\n        deny all;\r\n        \r\n        proxy_pass http:\/\/backend_servers;\r\n        proxy_http_version 1.1;\r\n        proxy_set_header Connection \"\";\r\n        \r\n        # \u9ad8\u7ea7\u65e5\u5fd7\r\n        access_log \/var\/log\/nginx\/access.log combined buffer=32k flush=5s;\r\n    }\r\n    \r\n    # API\u901f\u7387\u9650\u5236\r\n    location \/api\/ {\r\n        limit_req zone=api burst=20 nodelay;\r\n        proxy_pass http:\/\/api_backend;\r\n    }\r\n}\r\n<\/code><\/pre>\n
\u6210\u672c\u6548\u76ca\u5206\u6790<\/strong><\/h2>\n
\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u7684\u6295\u8d44\u8003\u8651\u5fc5\u987b\u8003\u8651\u4ee5\u4e0b\u51e0\u4e2a\u56e0\u7d20\uff1a<\/p>\n
\u521d\u59cb\u6210\u672c\uff1a<\/p>\n
– \u786c\u4ef6\u91c7\u8d2d<\/p>\n
– \u8f6f\u4ef6\u8bb8\u53ef<\/p>\n
– \u5b9e\u65bd\u670d\u52a1<\/p>\n
– \u4eba\u5458\u57f9\u8bad<\/p>\n
\u8fd0\u8425\u652f\u51fa\uff1a<\/p>\n
– \u7ef4\u62a4\u5408\u540c<\/p>\n
– \u66f4\u65b0\u8ba2\u9605<\/p>\n
– \u80fd\u6e90\u6d88\u8017<\/p>\n
– \u6563\u70ed\u8981\u6c42<\/p>\n
– \u6280\u672f\u652f\u6301<\/p>\n
\u7ba1\u7406\u5f00\u9500\uff1a<\/p>\n
– \u914d\u7f6e\u7ba1\u7406<\/p>\n
– \u89c4\u5219\u66f4\u65b0<\/p>\n
– \u6027\u80fd\u76d1\u63a7<\/p>\n
– \u4e8b\u4ef6\u54cd\u5e94<\/p>\n
– \u5408\u89c4\u62a5\u544a<\/p>\n
\u672a\u6765\u53d1\u5c55\u5efa\u8bae<\/strong><\/h2>\n
\u4e3a\u786e\u4fdd\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u7684\u6700\u4f73\u4fdd\u62a4\uff0c\u7ec4\u7ec7\u5e94\u5b9e\u65bd\uff1a<\/p>\n
1. \u6df7\u5408\u4fdd\u62a4\u7b56\u7565\uff1a<\/p>\n
– \u7b2c3\/4\u5c42DDoS\u7f13\u89e3<\/p>\n
– \u5e94\u7528\u5c42\u4fdd\u62a4<\/p>\n
– \u6d41\u91cf\u6e05\u6d17\u670d\u52a1<\/p>\n
– CDN\u96c6\u6210<\/p>\n
2. \u5b9a\u671f\u5b89\u5168\u5ba1\u8ba1\uff1a<\/p>\n
– \u6f0f\u6d1e\u8bc4\u4f30<\/p>\n
– \u6e17\u900f\u6d4b\u8bd5<\/p>\n
– \u914d\u7f6e\u5ba1\u67e5<\/p>\n
– \u6027\u80fd\u57fa\u51c6\u6d4b\u8bd5<\/p>\n
3. \u81ea\u52a8\u54cd\u5e94\u7cfb\u7edf\uff1a<\/p>\n
– \u5b9e\u65f6\u5a01\u80c1\u68c0\u6d4b<\/p>\n
– \u81ea\u52a8\u7f13\u89e3<\/p>\n
– \u52a8\u6001\u89c4\u5219\u66f4\u65b0<\/p>\n
– \u4e8b\u4ef6\u62a5\u544a<\/p>\n
\u7ed3\u8bba<\/strong><\/h2>\n
\u5728\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u9009\u62e9\u4f20\u7edf\u9632\u706b\u5899\u8fd8\u662f\u53cdDDoS\u9632\u706b\u5899\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u5b89\u5168\u8981\u6c42\u3001\u9884\u7b97\u9650\u5236\u548c\u8fd0\u8425\u9700\u6c42\u3002\u968f\u7740\u7f51\u7edc\u5a01\u80c1\u7684\u4e0d\u65ad\u6f14\u53d8\uff0c\u7ec4\u7ec7\u5fc5\u987b\u4ed4\u7ec6\u8bc4\u4f30\u5176\u4fdd\u62a4\u7b56\u7565\uff0c\u5e76\u5b9e\u65bd\u80fd\u591f\u63d0\u4f9b\u5168\u9762\u5b89\u5168\u4fdd\u62a4\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u540c\u65f6\u4e3a\u5176\u670d\u52a1\u5668\u79df\u7528\u57fa\u7840\u8bbe\u65bd\u7ef4\u6301\u6700\u4f73\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u57fa\u7840\u8bbe\u65bd\u5feb\u901f\u53d1\u5c55\u7684\u73af\u5883\u4e2d\uff0c\u7406\u89e3\u4f20\u7edf\u9632\u706b\u5899\u548c\u53cdDDoS\u9632\u706b\u5899\u4e4b\u95f4\u7684\u533a\u522b\u5bf9\u7ef4\u62a4\u5f3a\u5927\u7684\u7f51\u7edc\u5b89\u5168\u53d8\u5f97\u81f3\u5173\u91cd\u8981\u3002\u968f\u7740\u7f51\u7edc\u5a01\u80c1\u5728\u4e9a\u592a\u5730\u533a\u53d8\u5f97\u65e5\u76ca\u590d\u6742\uff0c\u7ec4\u7ec7\u673a\u6784\u5fc5\u987b\u8c03\u6574\u5176\u9632\u5fa1\u673a\u5236\uff0c\u4ee5\u9632\u62a4\u4f20\u7edf\u653b\u51fb\u548c\u5927\u89c4\u6a21DDoS\u653b\u51fb\u3002 \u7406\u89e3\u4f20\u7edf\u9632\u706b\u5899\u67b6\u6784 \u4f20\u7edf\u9632\u706b\u5899\u57fa\u4e8e\u6570\u636e\u5305\u8fc7\u6ee4\u8303\u5f0f\u8fd0\u4f5c\uff0c\u5728\u4e0d\u540c\u7684OSI\u5c42\u68c0\u67e5\u7f51\u7edc\u6d41\u91cf\u3002\u8fd9\u4e9b\u7cfb\u7edf\u901a\u5e38\u901a\u8fc7\u4e00\u7cfb\u5217\u9884\u5b9a\u4e49\u7684\u89c4\u5219\u548c\u7b56\u7565\u5904\u7406\u6d41\u91cf\uff0c\u4f5c\u4e3a\u9632\u6b62\u672a\u6388\u6743\u8bbf\u95ee\u5c1d\u8bd5\u7684\u7b2c\u4e00\u9053\u9632\u7ebf\u3002 \u4f20\u7edf\u9632\u706b\u5899\u7684\u5173\u952e\u7ec4\u4ef6\u5305\u62ec\uff1a – \u72b6\u6001\u5305\u68c0\u6d4b\uff08SPI\uff09 – \u7f51\u7edc\u5730\u5740\u8f6c\u6362\uff08NAT\uff09 – \u5e94\u7528\u5c42\u7f51\u5173 – \u865a\u62df\u4e13\u7528\u7f51\u7edc\uff08VPN\uff09\u652f\u6301 # \u57fa\u672cIptables\u89c4\u5219\u7ed3\u6784\u793a\u4f8b # \u5141\u8bb8HTTP\u548cHTTPS\u6d41\u91cf iptables -A INPUT -p tcp –dport 80 -m state –state NEW,ESTABLISHED -j ACCEPT iptables -A INPUT -p tcp –dport 443 -m state –state NEW,ESTABLISHED -j ACCEPT # \u5c4f\u853d\u7279\u5b9aIP\u8303\u56f4 iptables -A INPUT -s 192.xxx.x.0\/24 -j DROP iptables -A INPUT -s […]<\/p>\n
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