[vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n
\u5728\u4e0d\u65ad\u6f14\u53d8\u7684\u7f51\u7edc\u5b89\u5168\u73af\u5883\u4e2d\uff0cDDoS\u653b\u51fb\u4ecd\u7136\u662f\u5bf9\u5728\u7ebf\u4f01\u4e1a\u7684\u6301\u7eed\u5a01\u80c1\u3002\u5bf9\u4e8e\u7ba1\u7406\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u670d\u52a1<\/a>\u7684\u6280\u672f\u7cbe\u901a\u7684\u4e13\u4e1a\u4eba\u58eb\u6765\u8bf4\uff0c\u7406\u89e3\u9ad8\u9632\u670d\u52a1\u5668<\/a>\u3001\u9ad8\u9632IP\u548c\u9ad8\u9632CDN<\/a>\u7684\u7ec6\u5fae\u5dee\u522b\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u6df1\u5165\u63a2\u8ba8DDoS\u7f13\u89e3<\/a>\u7684\u6280\u672f\u5c42\u9762\uff0c\u63a2\u7d22\u6280\u672f\u5dee\u5f02\u5e76\u63d0\u4f9b\u4ee3\u7801\u793a\u4f8b\u6765\u8bf4\u660e\u5173\u952e\u6982\u5ff5\u3002<\/p>\n [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n \u5728\u6df1\u5165\u6280\u672f\u7ec6\u8282\u4e4b\u524d\uff0c\u8ba9\u6211\u4eec\u5148\u5efa\u7acb\u4e00\u4e2a\u57fa\u7ebf\u3002DDoS\u9632\u62a4\u670d\u52a1\u65e8\u5728\u8fc7\u6ee4\u6076\u610f\u6d41\u91cf\uff0c\u540c\u65f6\u5141\u8bb8\u5408\u6cd5\u8bf7\u6c42\u901a\u8fc7\u3002\u6211\u4eec\u6b63\u5728\u7814\u7a76\u7684\u4e09\u79cd\u4e3b\u8981\u7c7b\u578b – \u9ad8\u9632\u670d\u52a1\u5668\u3001\u9ad8\u9632IP\u548c\u9ad8\u9632CDN – \u6bcf\u79cd\u90fd\u6709\u72ec\u7279\u7684\u5e94\u5bf9\u8fd9\u4e00\u6311\u6218\u7684\u65b9\u6cd5\u3002<\/p>\n [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n \u9ad8\u9632\u670d\u52a1\u5668\u662f\u4e13\u7528\u673a\u5668\uff0c\u914d\u5907\u589e\u5f3a\u7684\u786c\u4ef6\u548c\u4e13\u95e8\u8bbe\u8ba1\u7684\u8f6f\u4ef6\uff0c\u80fd\u591f\u62b5\u5fa1\u5927\u89c4\u6a21DDoS\u653b\u51fb\u3002\u8fd9\u4e9b\u670d\u52a1\u5668\u901a\u5e38\u91c7\u7528\u5185\u6838\u7ea7\u8fc7\u6ee4\u548c\u9ad8\u7ea7\u6d41\u91cf\u5206\u6790\u7b97\u6cd5\u3002<\/p>\n \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5316\u7684Python\u4ee3\u7801\u7247\u6bb5\uff0c\u8bf4\u660e\u4e86\u57fa\u672c\u7684\u6d41\u91cf\u8fc7\u6ee4\u6982\u5ff5\uff1a<\/p>\n \u8fd9\u6bb5\u4ee3\u7801\u6f14\u793a\u4e86\u4e00\u4e2a\u57fa\u672c\u670d\u52a1\u5668\uff0c\u5b83\u6839\u636e\u5047\u8bbe\u7684\u6076\u610fIP\u6570\u636e\u5e93\u68c0\u67e5\u4f20\u5165\u8fde\u63a5\u3002\u5b9e\u9645\u4e0a\uff0c\u9ad8\u9632\u670d\u52a1\u5668\u4f7f\u7528\u66f4\u590d\u6742\u7684\u65b9\u6cd5\uff0c\u901a\u5e38\u6d89\u53ca\u673a\u5668\u5b66\u4e60\u548c\u5b9e\u65f6\u5a01\u80c1\u60c5\u62a5\u3002<\/p>\n [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n \u9ad8\u9632IP\u5145\u5f53\u7b2c\u4e00\u9053\u9632\u7ebf\uff0c\u5438\u6536\u548c\u8fc7\u6ee4\u653b\u51fb\u6d41\u91cf\uff0c\u7136\u540e\u518d\u5230\u8fbe\u60a8\u7684\u670d\u52a1\u5668\u3002\u8fd9\u4e9bIP\u901a\u5e38\u7531\u4e13\u95e8\u7684DDoS\u7f13\u89e3\u670d\u52a1\u63d0\u4f9b\uff0c\u5e76\u4f7f\u7528\u9ad8\u7ea7\u8def\u7531\u6280\u672f\u6765\u6e05\u6d17\u6d41\u91cf\u3002<\/p>\n \u4e3a\u4e86\u8bf4\u660e\u6d41\u91cf\u5982\u4f55\u901a\u8fc7\u9ad8\u9632IP\u91cd\u65b0\u8def\u7531\uff0c\u8bf7\u8003\u8651\u8fd9\u4e2a\u7b80\u5316\u7684bash\u811a\u672c\uff1a<\/p>\n \u8fd9\u4e2a\u811a\u672c\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528iptables\u89c4\u5219\u5c06\u6d41\u91cf\u91cd\u5b9a\u5411\u901a\u8fc7\u53d7\u4fdd\u62a4\u7684IP\u3002\u5b9e\u9645\u4e0a\uff0c\u9ad8\u9632IP\u670d\u52a1\u4f7f\u7528\u66f4\u590d\u6742\u7684\u8def\u7531\u673a\u5236\uff0c\u901a\u5e38\u6d89\u53caBGP\u516c\u544a\u4ee5\u5b9e\u73b0\u65e0\u7f1d\u6d41\u91cf\u91cd\u5b9a\u5411\u3002<\/p>\n [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n \u5177\u6709DDoS\u9632\u62a4\u529f\u80fd\u7684\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff08CDN\uff09\u5229\u7528\u5176\u5206\u5e03\u5f0f\u7279\u6027\uff0c\u5728\u591a\u4e2a\u5b58\u5728\u70b9\uff08PoPs\uff09\u5438\u6536\u548c\u7f13\u89e3\u653b\u51fb\u3002\u8fd9\u79cd\u65b9\u6cd5\u5bf9\u4e8e\u5927\u89c4\u6a21DDoS\u653b\u51fb\u7279\u522b\u6709\u6548\u3002<\/p>\n \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5316\u7684Node.js\u793a\u4f8b\uff0c\u8bf4\u660eCDN\u5982\u4f55\u5206\u53d1\u6d41\u91cf\uff1a<\/p>\n \u8fd9\u6bb5\u4ee3\u7801\u6f14\u793a\u4e86\u57fa\u672c\u7684CDN\u884c\u4e3a\uff0c\u5176\u4e2d\u8bf7\u6c42\u88ab\u8f6c\u53d1\u5230\u6700\u8fd1\u7684PoP\u3002\u5b9e\u9645\u7684CDN\u91c7\u7528\u66f4\u590d\u6742\u7684\u8d1f\u8f7d\u5747\u8861\u548c\u7f13\u5b58\u673a\u5236\uff0c\u4ee5\u53ca\u9ad8\u7ea7DDoS\u7f13\u89e3\u6280\u672f\u3002<\/p>\n [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n \u5728\u4e3a\u60a8\u7684\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u9009\u62e9DDoS\u7f13\u89e3\u89e3\u51b3\u65b9\u6848\u65f6\uff0c\u8bf7\u8003\u8651\u4ee5\u4e0b\u56e0\u7d20\uff1a<\/p>\n \u5bf9\u4e8e\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u63d0\u4f9b\u5546\u6765\u8bf4\uff0c\u6df7\u5408\u65b9\u6cd5\u901a\u5e38\u80fd\u4ea7\u751f\u6700\u4f73\u7ed3\u679c\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u9ad8\u9632IP\u4fdd\u62a4\u5173\u952e\u57fa\u7840\u8bbe\u65bd\uff0c\u4f7f\u7528CDN\u8fdb\u884c\u5185\u5bb9\u5206\u53d1\u548cDDoS\u5438\u6536\uff0c\u5e76\u4f7f\u7528\u9ad8\u9632\u670d\u52a1\u5668\u4fdd\u62a4\u9700\u8981\u6700\u5927\u63a7\u5236\u7684\u654f\u611f\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n \u4e86\u89e3\u9ad8\u9632\u670d\u52a1\u5668\u3001\u9ad8\u9632IP\u548c\u9ad8\u9632CDN\u4e4b\u95f4\u7684\u6280\u672f\u5dee\u5f02\u5bf9\u4e8e\u5b9e\u65bd\u6709\u6548\u7684DDoS\u7f13\u89e3\u7b56\u7565\u81f3\u5173\u91cd\u8981\u3002\u4f5c\u4e3a\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u63d0\u4f9b\u5546\u6216\u7528\u6237\uff0c\u60a8\u7684\u9009\u62e9\u5e94\u8be5\u4e0e\u60a8\u7684\u7279\u5b9a\u57fa\u7840\u8bbe\u65bd\u9700\u6c42\u3001\u6027\u80fd\u8981\u6c42\u548c\u5b89\u5168\u7b56\u7565\u4fdd\u6301\u4e00\u81f4\u3002\u901a\u8fc7\u5229\u7528\u6bcf\u79cd\u65b9\u6cd5\u7684\u4f18\u52bf\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u5f3a\u5927\u7684\u9632\u5fa1\u4f53\u7cfb\uff0c\u4ee5\u5e94\u5bf9\u4e0d\u65ad\u6f14\u53d8\u7684DDoS\u5a01\u80c1\u73af\u5883\u3002<\/p>\n \u8bf7\u8bb0\u4f4f\uff0c\u6709\u6548\u7684DDoS\u7f13\u89e3\u4e0d\u4ec5\u5728\u4e8e\u9009\u62e9\u6b63\u786e\u7684\u6280\u672f\uff0c\u8fd8\u5728\u4e8e\u4e0d\u65ad\u9002\u5e94\u548c\u5fae\u8c03\u60a8\u7684\u9632\u5fa1\u3002\u53ca\u65f6\u4e86\u89e3\u6700\u65b0\u7684\u653b\u51fb\u5411\u91cf\uff0c\u5b9a\u671f\u66f4\u65b0\u60a8\u7684\u4fdd\u62a4\u673a\u5236\uff0c\u5e76\u59cb\u7ec8\u51c6\u5907\u597d\u5728\u9762\u5bf9\u65b0\u5a01\u80c1\u65f6\u8c03\u6574\u60a8\u7684\u7b56\u7565\u3002\u901a\u8fc7\u6b63\u786e\u7ec4\u5408\u9ad8\u9632\u670d\u52a1\u5668\u3001\u9ad8\u9632IP\u548c\u9ad8\u9632CDN\uff0c\u60a8\u7684\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u57fa\u7840\u8bbe\u65bd\u53ef\u4ee5\u62b5\u5fa1\u6700\u590d\u6742\u7684DDoS\u653b\u51fb\u3002<\/p>\n [\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":" [vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””] \u5728\u4e0d\u65ad\u6f14\u53d8\u7684\u7f51\u7edc\u5b89\u5168\u73af\u5883\u4e2d\uff0cDDoS\u653b\u51fb\u4ecd\u7136\u662f\u5bf9\u5728\u7ebf\u4f01\u4e1a\u7684\u6301\u7eed\u5a01\u80c1\u3002\u5bf9\u4e8e\u7ba1\u7406\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u670d\u52a1\u7684\u6280\u672f\u7cbe\u901a\u7684\u4e13\u4e1a\u4eba\u58eb\u6765\u8bf4\uff0c\u7406\u89e3\u9ad8\u9632\u670d\u52a1\u5668\u3001\u9ad8\u9632IP\u548c\u9ad8\u9632CDN\u7684\u7ec6\u5fae\u5dee\u522b\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u6df1\u5165\u63a2\u8ba8DDoS\u7f13\u89e3\u7684\u6280\u672f\u5c42\u9762\uff0c\u63a2\u7d22\u6280\u672f\u5dee\u5f02\u5e76\u63d0\u4f9b\u4ee3\u7801\u793a\u4f8b\u6765\u8bf4\u660e\u5173\u952e\u6982\u5ff5\u3002 [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””] \u89e3\u7801DDoS\u9632\u62a4\uff1a\u57fa\u7840\u77e5\u8bc6 \u5728\u6df1\u5165\u6280\u672f\u7ec6\u8282\u4e4b\u524d\uff0c\u8ba9\u6211\u4eec\u5148\u5efa\u7acb\u4e00\u4e2a\u57fa\u7ebf\u3002DDoS\u9632\u62a4\u670d\u52a1\u65e8\u5728\u8fc7\u6ee4\u6076\u610f\u6d41\u91cf\uff0c\u540c\u65f6\u5141\u8bb8\u5408\u6cd5\u8bf7\u6c42\u901a\u8fc7\u3002\u6211\u4eec\u6b63\u5728\u7814\u7a76\u7684\u4e09\u79cd\u4e3b\u8981\u7c7b\u578b – \u9ad8\u9632\u670d\u52a1\u5668\u3001\u9ad8\u9632IP\u548c\u9ad8\u9632CDN – \u6bcf\u79cd\u90fd\u6709\u72ec\u7279\u7684\u5e94\u5bf9\u8fd9\u4e00\u6311\u6218\u7684\u65b9\u6cd5\u3002 [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””] \u9ad8\u9632\u670d\u52a1\u5668\uff1a\u575a\u56fa\u7684\u5821\u5792 \u9ad8\u9632\u670d\u52a1\u5668\u662f\u4e13\u7528\u673a\u5668\uff0c\u914d\u5907\u589e\u5f3a\u7684\u786c\u4ef6\u548c\u4e13\u95e8\u8bbe\u8ba1\u7684\u8f6f\u4ef6\uff0c\u80fd\u591f\u62b5\u5fa1\u5927\u89c4\u6a21DDoS\u653b\u51fb\u3002\u8fd9\u4e9b\u670d\u52a1\u5668\u901a\u5e38\u91c7\u7528\u5185\u6838\u7ea7\u8fc7\u6ee4\u548c\u9ad8\u7ea7\u6d41\u91cf\u5206\u6790\u7b97\u6cd5\u3002 \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5316\u7684Python\u4ee3\u7801\u7247\u6bb5\uff0c\u8bf4\u660e\u4e86\u57fa\u672c\u7684\u6d41\u91cf\u8fc7\u6ee4\u6982\u5ff5\uff1a import socket def is_malicious(ip_address): # \u5728\u6b64\u5b9e\u73b0\u60a8\u7684\u6076\u610fIP\u68c0\u6d4b\u903b\u8f91 return False def filter_traffic(connection): client_ip = connection.getpeername()[0] if is_malicious(client_ip): connection.close() else: # \u5904\u7406\u5408\u6cd5\u6d41\u91cf pass server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) server_socket.bind((‘0.0.0.0’, 80)) server_socket.listen(5) while True: client_socket, address = server_socket.accept() filter_traffic(client_socket) \u8fd9\u6bb5\u4ee3\u7801\u6f14\u793a\u4e86\u4e00\u4e2a\u57fa\u672c\u670d\u52a1\u5668\uff0c\u5b83\u6839\u636e\u5047\u8bbe\u7684\u6076\u610fIP\u6570\u636e\u5e93\u68c0\u67e5\u4f20\u5165\u8fde\u63a5\u3002\u5b9e\u9645\u4e0a\uff0c\u9ad8\u9632\u670d\u52a1\u5668\u4f7f\u7528\u66f4\u590d\u6742\u7684\u65b9\u6cd5\uff0c\u901a\u5e38\u6d89\u53ca\u673a\u5668\u5b66\u4e60\u548c\u5b9e\u65f6\u5a01\u80c1\u60c5\u62a5\u3002 [\/vc_column_text][\/vc_column][\/vc_row][vc_row […]<\/p>\n\u89e3\u7801DDoS\u9632\u62a4\uff1a\u57fa\u7840\u77e5\u8bc6<\/strong><\/h2>\n
\u9ad8\u9632\u670d\u52a1\u5668\uff1a\u575a\u56fa\u7684\u5821\u5792<\/strong><\/h2>\n
import socket\r\n\r\ndef is_malicious(ip_address):\r\n # \u5728\u6b64\u5b9e\u73b0\u60a8\u7684\u6076\u610fIP\u68c0\u6d4b\u903b\u8f91\r\n return False\r\n\r\ndef filter_traffic(connection):\r\n client_ip = connection.getpeername()[0]\r\n if is_malicious(client_ip):\r\n connection.close()\r\n else:\r\n # \u5904\u7406\u5408\u6cd5\u6d41\u91cf\r\n pass\r\n\r\nserver_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\r\nserver_socket.bind(('0.0.0.0', 80))\r\nserver_socket.listen(5)\r\n\r\nwhile True:\r\n client_socket, address = server_socket.accept()\r\n filter_traffic(client_socket)<\/code><\/pre>\n\u9ad8\u9632IP\uff1a\u65e0\u5f62\u7684\u76fe\u724c<\/strong><\/h2>\n
#!\/bin\/bash\r\n\r\n# \u6a21\u62df\u901a\u8fc7\u9ad8\u9632IP\u91cd\u65b0\u8def\u7531\u6d41\u91cf\r\nPROTECTED_IP=\"203.0.113.1\"\r\nORIGIN_SERVER=\"192.168.1.100\"\r\n\r\n# \u5c06\u6240\u6709\u4f20\u5165\u6d41\u91cf\u91cd\u65b0\u8def\u7531\u5230\u53d7\u4fdd\u62a4\u7684IP\r\niptables -t nat -A PREROUTING -p tcp --dport 80 -j DNAT --to-destination $PROTECTED_IP\r\n\r\n# \u5c06\u6e05\u6d17\u540e\u7684\u6d41\u91cf\u8f6c\u53d1\u56de\u6e90\u670d\u52a1\u5668\r\niptables -t nat -A POSTROUTING -d $ORIGIN_SERVER -j SNAT --to-source $PROTECTED_IP<\/code><\/pre>\n\u9ad8\u9632CDN\uff1a\u5206\u5e03\u5f0f\u9632\u5fa1<\/strong><\/h2>\n
const http = require('http');\r\nconst https = require('https');\r\n\r\nconst POPS = [\r\n { ip: '203.0.113.1', region: 'APAC' },\r\n { ip: '203.0.113.2', region: 'EU' },\r\n { ip: '203.0.113.3', region: 'NA' }\r\n];\r\n\r\nfunction selectPOP(clientIP) {\r\n \/\/ \u5b9e\u73b0\u9009\u62e9\u6700\u8fd1PoP\u7684\u903b\u8f91\r\n return POPS[0];\r\n}\r\n\r\nconst server = http.createServer((req, res) => {\r\n const clientIP = req.connection.remoteAddress;\r\n const pop = selectPOP(clientIP);\r\n \r\n https.get(`https:\/\/${pop.ip}\/origin${req.url}`, (popRes) => {\r\n popRes.pipe(res);\r\n });\r\n});\r\n\r\nserver.listen(80);<\/code><\/pre>\n\u4e3a\u60a8\u7684\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u9009\u62e9\u6b63\u786e\u7684\u4fdd\u62a4<\/strong><\/h2>\n
\n
\u7ed3\u8bba\uff1a\u5236\u5b9a\u60a8\u7684DDoS\u9632\u5fa1\u7b56\u7565<\/strong><\/h2>\n