{"id":5460,"date":"2022-03-14T15:21:29","date_gmt":"2022-03-14T07:21:29","guid":{"rendered":"https:\/\/cn.hostease.com\/xueyuan\/?p=5460"},"modified":"2022-03-16T20:24:09","modified_gmt":"2022-03-16T12:24:09","slug":"%e9%ab%98%e9%98%b2%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%8f%af%e4%bb%a5%e9%98%b2%e6%8a%a4%e5%93%aa%e4%ba%9b%e6%94%bb%e5%87%bb","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/jishu\/fuwuqi\/%e9%ab%98%e9%98%b2%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%8f%af%e4%bb%a5%e9%98%b2%e6%8a%a4%e5%93%aa%e4%ba%9b%e6%94%bb%e5%87%bb\/","title":{"rendered":"\u9ad8\u9632\u670d\u52a1\u5668\u53ef\u4ee5\u9632\u62a4\u54ea\u4e9b\u653b\u51fb?"},"content":{"rendered":"

\u9ad8\u9632\u670d\u52a1\u5668<\/a>\u662f\u4e00\u6b3e\u80fd\u591f\u5e2e\u52a9\u7f51\u7ad9\u5e94\u5bf9\u62d2\u7edd\u670d\u52a1\u653b\u51fb\uff0c\u53ef\u9632\u5fa1\u5927\u89c4\u6a21DDoS\u653b\u51fb\u3001CC\u653b\u51fb\u7684\u670d\u52a1\u5668\uff0c\u5e76\u80fd\u6709\u6548\u9274\u522b\u548c\u6e05\u6d17\u6076\u610f\u6d41\u91cf\uff0c\u5c06\u7f51\u7edc\u5b89\u5168\u7ef4\u62a4\u63d0\u4f9b\u7ed9\u6bcf\u4e2a\u5ba2\u6237\u3002\u90a3\u4e48\u9ad8\u9632\u670d\u52a1\u5668\u53ef\u4ee5\u9632\u62a4\u54ea\u4e9b\u653b\u51fb\u5462?<\/p>\n

\u4e00\u3001\u5e26\u5bbd\u6d88\u8017\u653b\u51fb<\/p>\n

DDoS\u5e26\u5bbd\u6d88\u8017\u653b\u51fb\u4e3b\u8981\u4e3a\u76f4\u63a5\u6d2a\u6d41\u653b\u51fb\uff0c\u5b83\u5229\u7528\u4e86\u653b\u51fb\u65b9\u7684\u8d44\u6e90\u4f18\u52bf\uff0c\u5f53\u5927\u91cf\u4ee3\u7406\u53d1\u51fa\u7684\u653b\u51fb\u6d41\u91cf\u6c47\u805a\u4e8e\u76ee\u6807\u5bf9\u8c61\u65f6\uff0c\u8db3\u4ee5\u8017\u5c3d\u5176\u7f51\u7edc\u63a5\u5165\u5e26\u5bbd\u3002\u5e38\u89c1\u7684\u5e26\u5bbd\u6d88\u8017\u653b\u51fb\u7c7b\u578b\u5305\u62ec\uff1aTCP\u6d2a\u6c34\u653b\u51fb\uff0cUDP\u4ee5\u53caICMP\u6d2a\u6d41\u653b\u51fb\uff0c\u4e09\u8005\u53ef\u4ee5\u5355\u72ec\u4f7f\u7528\uff0c\u4e5f\u53ef\u540c\u65f6\u4f7f\u7528\u3002\u63a8\u8350\u9605\u8bfb\uff1a\u300a\u9ad8\u9632\u670d\u52a1\u5668\u4e0eCDN\u9632\u5fa1\u6709\u533a\u522b\u5417\u300b<\/a><\/p>\n

\u636e\u7814\u7a76\u7edf\u8ba1\uff0c\u5927\u591a\u6570DDoS\u653b\u51fb\u901a\u8fc7TCP\u6d2a\u6d41\u653b\u51fb\u5b9e\u73b0\u3002TCP\u6d2a\u6c34\u653b\u51fb\u662f\u4e00\u79cd\u5229\u7528TCP\u534f\u8bae\u7f3a\u9677\uff0c\u4f7f\u7528\u5047\u5192IP\u6216IP\u53f7\u6bb5\u53d1\u9001\u6d77\u91cf\u4f2a\u9020\u7684\u8fde\u63a5\u8bf7\u6c42\uff0c\u4ece\u800c\u4f7f\u5f97\u88ab\u653b\u51fb\u65b9\u8d44\u6e90\u8017\u5c3d(CPU\u6ee1\u8d1f\u8377\u6216\u5185\u5b58\u4e0d\u8db3)\u7684\u653b\u51fb\u65b9\u5f0f\u3002\u7531\u4e8eTCP\u534f\u8bae\u662f\u8bb8\u591a\u91cd\u8981\u5e94\u7528\u5c42\u670d\u52a1\u7684\u57fa\u7840\uff0c\u6240\u4ee5\u6781\u5927\u53ef\u80fd\u5bf9\u670d\u52a1\u5668\u7684\u6027\u80fd\u9020\u6210\u81f4\u547d\u5f71\u54cd\u3002<\/p>\n

UDP\u6d2a\u6c34\u653b\u51fb\u662f\u4e00\u79cd\u65e5\u6e10\u7316\u53a5\u7684\u6d41\u91cf\u578bDoS\u653b\u51fb\uff0c\u5e38\u89c1\u7684\u60c5\u51b5\u662f\u5229\u7528\u5927\u91cfUDP\u5c0f\u5305\u51b2\u51fbDNS\u670d\u52a1\u5668\u6216Radius\u8ba4\u8bc1\u670d\u52a1\u5668\u3001\u6d41\u5a92\u4f53\u89c6\u9891\u670d\u52a1\u5668\uff0c100kbps\u7684UDP\u6d2a\u6c34\u653b\u51fb\u7ecf\u5e38\u5c06\u7ebf\u8def\u4e0a\u7684\u9aa8\u5e72\u8bbe\u5907\u4f8b\u5982\u9632\u706b\u5899\u6253\u762b\uff0c\u9020\u6210\u6574\u4e2a\u7f51\u6bb5\u7684\u762b\u75ea\u3002\u56e0\u6b64\uff0c\u6709\u65f6\u8fde\u63a5\u5230\u53d7\u5bb3\u7cfb\u7edf\u5468\u8fb9\u7f51\u7edc\u7684\u4e3b\u673a\u4e5f\u4f1a\u906d\u9047\u7f51\u7edc\u8fde\u63a5\u95ee\u9898\u3002<\/p>\n

ICMP\u6d2a\u6d41\u653b\u51fb\u5c31\u662f\u901a\u8fc7\u4ee3\u7406\u5411\u53d7\u5bb3\u4e3b\u673a\u53d1\u9001\u5927\u91cf\u201cping\u201d\u62a5\u6587\uff0c\u8fd9\u4e9b\u62a5\u6587\u6d8c\u5411\u76ee\u6807\u5e76\u4f7f\u5176\u56de\u5e94\u62a5\u6587\uff0c\u4e24\u8005\u548c\u8d77\u6765\u7684\u6d41\u91cf\u5c06\u4f7f\u53d7\u5bb3\u8005\u4e3b\u673a\u7f51\u7edc\u5e26\u5bbd\u9971\u548c\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff0cping\/smurf\u653b\u51fb\u8f6f\u4ef6\u90fd\u662f\u5178\u578b\u57fa\u4e8eICMP\u534f\u8bae\u7684\u653b\u51fb\u8f6f\u4ef6\uff0c\u5f53\u51fa\u73b0ICMP\u6d2a\u6d41\u653b\u51fb\u7684\u65f6\u5019\uff0c\u53ea\u8981\u7981\u6b62ping\u5c31\u884c\u4e86\u3002<\/p>\n

\u4e8c\u3001\u7cfb\u7edf\u8d44\u6e90\u6d88\u8017\u653b\u51fb<\/p>\n

DDoS\u7cfb\u7edf\u8d44\u6e90\u6d88\u8017\u653b\u51fb\u5305\u62ec\u6076\u610f\u8bef\u7528TCP\/IP\u534f\u8bae\u901a\u4fe1(TCP SYN\u653b\u51fb\u4e0eTCP PSH+ACK\u653b\u51fb)\u548c\u7578\u5f62\u62a5\u6587\u653b\u51fb\u4e24\u79cd\u65b9\u5f0f\uff0c\u4e24\u8005\u90fd\u80fd\u8d77\u5230\u5360\u7528\u7cfb\u7edf\u8d44\u6e90\u7684\u6548\u679c\u3002<\/p>\n

SYN\u653b\u51fb\u662f\u5229\u7528TCP\u534f\u8bae\u7f3a\u9677\uff0c\u901a\u8fc7\u53d1\u9001\u5927\u91cf\u534a\u8fde\u63a5\u8bf7\u6c42\u4ee5\u8017\u8d39CPU\u548c\u5185\u5b58\u8d44\u6e90\uff0c\u9664\u5f71\u54cd\u4e3b\u673a\u5916\uff0c\u8fd8\u53ef\u80fd\u5371\u5bb3\u8def\u7531\u5668\u3001\u9632\u706b\u5899\u7b49\u7f51\u7edc\u7cfb\u7edf\u3002\u5728DDoS\u65b9\u5f0f\u4e0b\uff0c\u5176\u653b\u51fb\u5f3a\u5ea6\u5f97\u5230\u4e86\u6210\u767e\u4e0a\u5343\u500d\u7684\u589e\u52a0\u3002SYN\u653b\u51fb\u4e0d\u80fd\u88ab\u5b8c\u5168\u963b\u6b62\uff0c\u53ea\u80fd\u901a\u8fc7\u52a0\u56faTCP\/IP\u534f\u8bae\u6808\u3001\u90e8\u7f72\u9632\u706b\u5899\/\u8def\u7531\u5668\u7b49\u8fc7\u6ee4\u7f51\u5173\u52a0\u4ee5\u9632\u5fa1\uff0c\u4ee5\u5c3d\u91cf\u51cf\u8f7b\u5371\u5bb3\u3002<\/p>\n

TCP PUSH+ACK \u653b\u51fb\u4e0eTCP SYN\u653b\u51fb\u4e00\u6837\uff0c\u76ee\u7684\u5728\u4e8e\u8017\u5c3d\u53d7\u5bb3\u7cfb\u7edf\u7684\u8d44\u6e90\u3002\u5f53\u4ee3\u7406\u5411\u53d7\u5bb3\u4e3b\u673a\u53d1\u9001PSH\u548cACK\u6807\u5fd7\u8bbe\u4e3a1\u7684TCP\u62a5\u6587\u65f6\uff0c\u5c06\u4f7f\u63a5\u6536\u7cfb\u7edf\u6e05\u9664\u6240\u6709TCP\u7f13\u51b2\u6570\u636e\uff0c\u5e76\u56de\u5e94\u4e00\u4e2a\u786e\u8ba4\u6d88\u606f\u3002\u5982\u679c\u8fd9\u4e00\u8fc7\u7a0b\u88ab\u5927\u91cf\u91cd\u590d\uff0c\u7cfb\u7edf\u5c06\u65e0\u6cd5\u5904\u7406\u5927\u91cf\u7684\u6d41\u5165\u62a5\u6587\uff0c\u9020\u6210\u670d\u52a1\u5d29\u6e83\u3002\u63a8\u8350\u9605\u8bfb\uff1a\u300a \u9ad8\u9632\u670d\u52a1\u5668\u7684\u4f18\u52bf \u300b<\/a><\/p>\n

\u7578\u5f62\u62a5\u6587\u653b\u51fb\uff0c\u6307\u653b\u51fb\u8005\u6307\u4f7f\u4ee3\u7406\u5411\u53d7\u5bb3\u4e3b\u673a\u53d1\u9001\u6709\u7f3a\u9677\u7684IP\u62a5\u6587\uff0c\u4f7f\u5f97\u76ee\u6807\u7cfb\u7edf\u5728\u5904\u7406\u8fd9\u6837\u7684IP\u5305\u65f6\u4f1a\u51fa\u73b0\u5d29\u6e83\uff0c\u7ed9\u76ee\u6807\u7cfb\u7edf\u5e26\u6765\u635f\u5931\u3002\u4e3b\u8981\u7684\u7578\u5f62\u62a5\u6587\u653b\u51fb\u5982Ping of Death(\u53d1\u9001\u8d85\u5927\u5c3a\u5bf8ICMP\u62a5\u6587)Teardrop(\u5229\u7528IP\u5305\u788e\u7247\u653b\u51fb)\u3001\u7578\u5f62TCP\u62a5\u6587\u3001 IP-fragment\u653b\u51fb\u7b49\u3002<\/p>\n

\u5e94\u7528\u5c42\u653b\u51fb\uff0c\u5b83\u9488\u5bf9\u7279\u5b9a\u7684\u5e94\u7528\/\u670d\u52a1\u7f13\u6162\u5730\u8017\u5c3d\u5e94\u7528\u5c42\u4e0a\u7684\u8d44\u6e90\u3002\u5e94\u7528\u5c42\u653b\u51fb\u5728\u4f4e\u6d41\u91cf\u901f\u7387\u4e0b\u5341\u5206\u6709\u6548\uff0c\u4ece\u534f\u8bae\u89d2\u5ea6\u770b\uff0c\u653b\u51fb\u4e2d\u6d89\u53ca\u7684\u6d41\u91cf\u53ef\u80fd\u662f\u5408\u6cd5\u7684\u3002\u8fd9\u4f7f\u5f97\u5e94\u7528\u5c42\u653b\u51fb\u6bd4\u5176\u4ed6\u7c7b\u578b\u7684DDoS\u653b\u51fb\u66f4\u52a0\u96be\u4ee5\u68c0\u6d4b\u3002HTTP\u6d2a\u6c34\u3001CC\u653b\u51fb\u3001DNS\u653b\u51fb\u7b49\u90fd\u662f\u5e94\u7528\u5c42\u653b\u51fb\u7684\u5b9e\u4f8b\u3002<\/p>\n

HTTP \u6d2a\u6c34\u662f\u5229\u7528\u770b\u4f3c\u5408\u6cd5\u7684HTTP GET\u6216POST \u8bf7\u6c42\u653b\u51fb\u7f51\u9875\u670d\u52a1\u5668\u6216\u5e94\u7528\uff0c\u901a\u5e38\u4f7f\u7528\u50f5\u5c38\u7f51\u7edc\u8fdb\u884c\u3002\u50f5\u5c38\u7f51\u7edc\u662f\u901a\u8fc7\u5c06\u5927\u91cf\u4e3b\u673a\u611f\u67d3bot\u7a0b\u5e8f\u75c5\u6bd2\u6240\u5f62\u6210\u7684\u4e00\u5bf9\u591a\u7684\u63a7\u5236\u7f51\u7edc\uff0c\u9ed1\u5ba2\u53ef\u4ee5\u63a7\u5236\u8fd9\u4e9b\u50f5\u5c38\u7f51\u7edc\u96c6\u4e2d\u53d1\u52a8\u5bf9\u76ee\u6807\u4e3b\u673a\u7684\u62d2\u7edd\u670d\u52a1\u653b\u51fb\uff0c\u8fd9\u4f7f\u5f97HTTP\u6d2a\u6c34\u653b\u51fb\u5f88\u96be\u88ab\u68c0\u6d4b\u548c\u62e6\u622a\u3002<\/p>\n

CC\u653b\u51fb\u5219\u57fa\u4e8e\u9875\u9762\u653b\u51fb\u7684\uff0c\u6a21\u62df\u8bb8\u591a\u7528\u6237\u4e0d\u95f4\u65ad\u7684\u5bf9\u670d\u52a1\u5668\u8fdb\u884c\u8bbf\u95ee\uff0c\u5e76\u4e14\u653b\u51fb\u5bf9\u8c61\u5f80\u5f80\u662f\u670d\u52a1\u5668\u4e0a\u5f00\u9500\u6bd4\u8f83\u5927\u7684\u52a8\u6001\u9875\u9762\uff0c\u6d89\u53ca\u5230\u6570\u636e\u5e93\u8bbf\u95ee\u64cd\u4f5c\u3002\u7531\u4e8e\u4f7f\u7528\u4ee3\u7406\u4f5c\u4e3a\u653b\u51fb\u53d1\u8d77\u70b9\uff0c\u5177\u6709\u5f88\u5f3a\u7684\u9690\u853d\u6027\uff0c\u7cfb\u7edf\u5f88\u96be\u533a\u5206\u662f\u6b63\u5e38\u7684\u7528\u6237\u64cd\u4f5c\u8fd8\u662f\u6076\u610f\u6d41\u91cf\uff0c\u8fdb\u800c\u9020\u6210\u6570\u636e\u5e93\u53ca\u5176\u8fde\u63a5\u6c60\u8d1f\u8f7d\u8fc7\u9ad8\uff0c\u65e0\u6cd5\u54cd\u5e94\u6b63\u5e38\u8bf7\u6c42\u3002<\/p>\n

DNS\u653b\u51fb\u4e3b\u8981\u6709\u4e24\u79cd\u5f62\u5f0f\uff0c\u4e00\u662f\u901a\u8fc7\u53d1\u8d77\u5927\u91cf\u7684DNS\u8bf7\u6c42\uff0c\u5bfc\u81f4DNS\u670d\u52a1\u5668\u65e0\u6cd5\u54cd\u5e94\u6b63\u5e38\u7528\u6237\u7684\u8bf7\u6c42;\u4e8c\u662f\u901a\u8fc7\u53d1\u8d77\u5927\u91cf\u4f2a\u9020\u7684DNS\u56de\u5e94\u5305\uff0c\u5bfc\u81f4DNS\u670d\u52a1\u5668\u5e26\u5bbd\u62e5\u585e;\u4e24\u79cd\u65b9\u5f0f\u90fd\u5c06\u5bfc\u81f4\u6b63\u5e38\u7528\u6237\u4e0d\u80fd\u89e3\u6790DNS\uff0c\u4ece\u800c\u4e0d\u80fd\u83b7\u53d6\u670d\u52a1\u3002\u63a8\u8350\u76f8\u5173\u9605\u8bfb\uff1a\u300a\u4e3a\u4ec0\u4e48\u6e38\u620f\u884c\u4e1a\u8981\u9009\u62e9\u9ad8\u9632\u670d\u52a1\u5668\u5462\u300b<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u9ad8\u9632\u670d\u52a1\u5668\u662f\u4e00\u6b3e\u80fd\u591f\u5e2e\u52a9\u7f51\u7ad9\u5e94\u5bf9\u62d2\u7edd\u670d\u52a1\u653b\u51fb\uff0c\u53ef\u9632\u5fa1\u5927\u89c4\u6a21DDoS\u653b\u51fb\u3001CC\u653b\u51fb\u7684\u670d\u52a1\u5668\uff0c\u5e76\u80fd\u6709\u6548\u9274\u522b\u548c\u6e05\u6d17\u6076 … \u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[9],"tags":[843],"class_list":["post-5460","post","type-post","status-publish","format-standard","hentry","category-fuwuqi","tag-843"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/5460","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/comments?post=5460"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/5460\/revisions"}],"predecessor-version":[{"id":5461,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/5460\/revisions\/5461"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=5460"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=5460"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=5460"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}