{"id":192243,"date":"2020-11-05T21:00:29","date_gmt":"2020-11-05T13:00:29","guid":{"rendered":"http:\/\/4563.org\/?p=192243"},"modified":"2020-11-05T21:00:29","modified_gmt":"2020-11-05T13:00:29","slug":"%e6%b1%82%e5%8a%a9%ef%bc%8c%e4%b8%80%e4%b8%aa-saas-%e6%9c%8d%e5%8a%a1%e8%a2%ab%e6%9d%a5%e8%87%aa%e7%a6%8f%e5%bb%ba%e7%9a%84%e7%96%91%e4%bc%bc%e5%83%b5%e5%b0%b8%e7%bd%91%e7%bb%9c-ddos-nginx-%e6%80%8e","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=192243","title":{"rendered":"\u6c42\u52a9\uff0c\u4e00\u4e2a SaaS \u670d\u52a1\u88ab\u6765\u81ea\u798f\u5efa\u7684\u7591\u4f3c\u50f5\u5c38\u7f51\u7edc DDOS…Nginx \u600e\u4e48\u6321\uff1f"},"content":{"rendered":"
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\u6c42\u52a9\uff0c\u4e00\u4e2a SaaS \u670d\u52a1\u88ab\u6765\u81ea\u798f\u5efa\u7684\u7591\u4f3c\u50f5\u5c38\u7f51\u7edc DDOS…Nginx \u600e\u4e48\u6321\uff1f <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : saytesnake <\/span> <\/i> 5<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u6709\u7ea6\u767e\u6765\u4e2a\u7528\u6237\u7684 SaaS \u670d\u52a1\uff0c\u7ed9\u5230\u7528\u6237\u4f7f\u7528\u7684\u65f6\u5019\u90fd\u4f1a\u5206\u914d\u4e00\u4e2a\u4e8c\u7ea7\u57df\u540d\uff0c\u5982<\/p>\n

client-a.v3ex.com \uff0c client-b.v3ex.com \uff0c client-c.v3ex.com<\/p>\n

\u8fd9\u6837\uff0c<\/p>\n

\u4eca\u5929 Nginx \u6d41\u91cf\u90fd\u7206\u4e86\uff0c\u4e00\u770b\u6709\u6765\u81ea\u798f\u5efa\u4e0d\u540c\u5730\u533a\u7684\u597d\u51e0\u5341\u4e2a IP \u4e0d\u65ad\u5237\u4e00\u4e2a uri\uff0c\u5bfc\u81f4\u6574\u4e2a\u670d\u52a1\u90fd\u62d6\u6162\u4e86\u3002<\/p>\n

\u5982 http:\/\/client-a.v3ex.com\/dept\/schedule.htm?date=2020-11-12&deptId=42756<\/p>\n

Nginx \u91cc\u9762\u53ef\u80fd\u5f53\u65f6\u4e3a\u4e86\u56fe\u65b9\u4fbf\uff0c\u76f4\u63a5\u5c31\u914d\u7f6e\u4e86\u6cdb\u57df\u540d<\/p>\n

server_name *.v3ex.com; <\/code><\/pre>\n
\u6ca1\u533a\u5206\u51fa\u6765\u3002<\/p>\n
\u76ee\u524d\u6682\u65f6<\/p>\n
if ($http_host = 'client-a.v3ex.com') { return 403; }  <\/code><\/pre>\n
\u62b5\u6321\u4e86\u4e00\u4e0b\u3002<\/p>\n
limit_req_zone \u8ddf limit_conn_zone \u90fd\u65e0\u6cd5\u4f7f\u7528\u5728 if \u91cc\u9762\uff0c\u5bf9\u4e8e\u8fd9\u79cd\u60c5\u51b5\u5e94\u8be5\u600e\u4e48\u5904\u7406\u597d\u4e00\u70b9\uff1f<\/p>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (23<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : dzdh <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e3a\u5565\u8981\u533a\u5206 zone \u4e0d\u5e94\u8be5\u662f\u5168\u5c40\u9488\u5bf9 ip \u9650\u6d41\u5417                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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     \u8cc7\u6df1\u5927\u4f6c : dzdh <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u800c\u4e14\u4e3a\u5565\u4e0d\u4e0a cdn \u54c7                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : saytesnake <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @dzdh \u5386\u53f2\u95ee\u9898\uff0c\u8fd9\u4e2a\u7cfb\u7edf\u662f\u76f8\u5bf9\u6bd4\u8f83\u53e4\u8001\u7684\uff0cNginx \u4e5f\u662f\uff0c\u56e0\u4e3a\u6ca1\u7ecf\u8fc7\u6d4b\u8bd5\uff0c\u4e0d\u77e5\u9053\u5f00\u4e86\u5168\u5c40\u9650\u6d41\u4f1a\u5bfc\u81f4\u4ec0\u4e48\u60c5\u51b5\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : lvzhiqiang <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 sysctl -w net.ipv4.tcp_syncookies=1                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : emeab <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u9ed1\u540d\u5355 ip                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : lvzhiqiang <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 ddos \u53ea\u80fd\u7f13\u89e3\uff0c\u4e0d\u80fd\u89e3\u51b3\u3002 \u8fd8\u6709 \u5982\u679c\u5bf9\u65b9 IP \u90fd\u662f\u968f\u673a\u53d8\u5316\uff0c\u57fa\u672c\u6ca1\u8f99\u3002(\u6ce8\u610f: \u5927\u516c\u53f8\u5927\u4f53\u91cf\u4e1a\u52a1\u7684\u4f1a\u6709\u4e13\u4e1a\u7684\u8bbe\u5907\u505a\u6d4f\u89c8\u6e05\u6d17\u548c\u62e6\u622a\u9632\u62a4)                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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     \u8cc7\u6df1\u5927\u4f6c : xx6412223 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u8bd5\u8bd5 Iptables limits Connections by per IP                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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     \u8cc7\u6df1\u5927\u4f6c : lvzhiqiang <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @lvzhiqiang \u9488\u5bf9 syn flood \u653b\u51fb\uff0c \u4f60\u5148\u6293\u5305\u770b\u770b\uff0c\u5c5e\u4e0d\u5c5e\u4e8e\u8fd9\u7c7b\u578b\u7684\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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     \u8cc7\u6df1\u5927\u4f6c : winzkh <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 shutdown -h now                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : saytesnake <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @lvzhiqiang \u5df2\u7ecf\u914d\u7f6e\u4e86\u3002<\/p>\n
    @emeab \u76ee\u6d4b\u662f\u50f5\u5c38\u7f51\u7edc\uff0cip \u4e00\u5927\u5806…\u597d\u50cf\u6bcf\u6b21\u90fd\u4e0d\u540c\uff0c\u968f\u673a\u67e5\u4e86\u5341\u6765\u4e2a\uff0c\u90fd\u662f\u798f\u5efa\u7701\u7684\u3002<\/p>\n
    @lvzhiqiang \u5443\uff0c\u8fd8\u771f\u662f\u6ca1\u529e\u6cd5\u4e86\u770b\u8d77\u6765\u3002                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : GM <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u52a0\u4e00\u6761 A \u8bb0\u5f55 client-a.xxx.com 127.0.0.1 
    \u6709 A \u8bb0\u5f55\u7684\u60c5\u51b5\u4e0b\u4f1a\u4f18\u5148\u8d77\u4f5c\u7528\uff0c\u8fd9\u6837\u4e5f\u8bb8\u4f1a\u6709\u7528\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : privil <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u524d\u9762\u52a0\u4e2a wtf \u8fc7\u6ee4 \u9ad8\u6d41\u91cf ip                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : xieqiqiang00 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 11 \u7684\u65b9\u6848\u53ef\u4ee5
    \u4f46\u8981\u662f\u6211\u7684\u8bdd\uff0c\u6211\u53ef\u80fd\u53bb cloudflare \u6ce8\u518c\u4e00\u4e0b\u8fd9\u4e2a\u7f51\u7ad9\uff0c\u7136\u540e\u5355\u72ec\u8fd9\u4e2a\u5b50\u57df\u540d\u6307\u5411 cloudflare\uff0c\u7136\u540e\u5f00\u9875\u9762\u7f13\u5b58\uff0c\u8fd9\u6837\u5bf9\u65b9\u8fd8\u662f\u80fd\u4e00\u76f4 GET \u901a\uff0c\u5c31\u7b97\u662f POST \u7684\u8bdd\uff0c\u4e24\u6b21\u8fc7\u5899\u4e5f\u591f\u545b\u7684\uff0c\u800c\u4e14 cloudflare \u672c\u8eab\u5c31\u6709\u53cd\u529f\u80fd\u7684\u80fd\u529b\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : DoctorCat <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @xieqiqiang00 cloudflare \u6700\u5927\u7684\u95ee\u9898\u662f\u56fd\u5185\u4e0d\u53cb\u597d\u5bb9\u6613\u88ab gfw \u8ba4\u8bc1\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : RangerWolf <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5fc3\u75bc\u4e3b 3 \u79d2\u949f\u3002\u3002\u3002 
    \u60f3\u95ee\u4e0b client-a.v3ex.com \u662f\u4e00\u4e2a\u5408\u6cd5\u7528\u6237\u7684\u57df\u540d\u5417? \u4f60\u8bbe\u7f6e 403 \u4e4b\u540e\u662f\u4e0d\u662f\u8fd9\u4e2a\u5ba2\u6237\u5c31\u5b8c\u5168\u6b47\u83dc\u4e86\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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     \u8cc7\u6df1\u5927\u4f6c : xuanbg <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u53d7\u5230\u653b\u51fb\u4e0d\u7ba1\u4e09\u4e03\u4e8c\u5341\u4e00\u6709\u7528\u6ca1\u7528\u5148\u62a5\u8b66\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : saytesnake <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @xieqiqiang00 \u5b9e\u9645\u4e0a\u662f\u7ed9\u81ea\u5df1\u52a0\u4e0a\u5899\u4e86\u7684\u611f\u89c9\u4e86…
    @DoctorCat \u662f\u7684\u3002
    @RangerWolf \u90a3\u4e2a\u53ea\u662f\u4e3e\u4f8b\uff0c\u5b9e\u9645\u662f\u6b63\u786e\u5408\u6cd5\u7684\u57df\u540d\uff0c\u4e00\u7ea7\u57df\u540d\u662f\u5728\u963f\u91cc\u4e91\u4e0a\u4e70\u7684\uff0c403 \u4e4b\u540e\u5c31\u662f\u8fd9\u4e2a\u5ba2\u6237\u5b8c\u5168\u65e0\u6cd5\u4f7f\u7528\u4e86\uff0c\u73b0\u5728\u4e34\u65f6\u89e3\u51b3\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : DoctorCat <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @saytesnake \u95ee\u4e00\u4e2a\u7ec6\u8282\uff0c\u8fd9\u4e9b\u653b\u51fb ip \u8bbf\u95ee\u5230 nginx\uff0c\u90fd\u662f 200 \u72b6\u6001\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : RangerWolf <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @saytesnake \u6211\u611f\u89c9\u6211\u6ca1\u8868\u8fbe\u6e05\u695a\uff0c\u8ba9\u4f60\u8bef\u89e3\u4e86\u3002\u3002\u3002 
    \u5176\u5b9e\u6211\u60f3\u95ee\u7684\u5c31\u662f\uff0c\u88ab\u653b\u51fb\u7684\u57df\u540d\u662f\u771f\u5b9e\u5ba2\u6237\u7684\u57df\u540d\u5417\uff1f\u662f\u67d0\u4e2a\u5ba2\u6237\u7684\u57df\u540d\u8fd8\u662f\u5f88\u591a\u5ba2\u6237\u7684\u57df\u540d\uff1f
    \u53e6\u5916\uff0c \u611f\u89c9\u57df\u540d\u540e\u9762\u7684\u8fd9\u4e00\u6bb5\u6709\u6ca1\u6709\u6743\u9650\u903b\u8f91\u6821\u9a8c\uff1f <\/p>\n
    \u4e0d\u597d\u610f\u601d\u95ee\u4e86\u8fd9\u4e48\u591a\u95ee\u9898\uff0c\u56e0\u4e3a\u6211\u4eec\u4e5f\u6b63\u597d\u8981\u5f00\u653e\u4e00\u4e2a SaaS \u670d\u52a1\u7ed9\u5ba2\u6237\uff0c\u5c31\u6015\u89c1\u5149\u6b7b\u3002\u3002\u3002                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : RangerWolf <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u53e6\u5916\uff0c\u6211\u4eec\u76ee\u524d\u9690\u85cf\u4e86\u771f\u5b9e IP \u5728\u7c7b\u4f3c AWS LB \u540e\u9762~ \u4e0d\u77e5\u9053\u8fd9\u4e2a\u4f1a\u4e0d\u4f1a\u6709\u6548\uff1f
    \u4e0d\u77e5\u9053\u4f60\u4eec\u662f\u76f4\u63a5 IP \u66b4\u9732\u51fa\u53bb\u8fd8\u662f\u9690\u85cf\u4e86\u771f\u5b9e IP \uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : IDAEngine <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e0a\u9ad8\u9632 IP\uff0c\u9ad8\u9632\u5c31\u884c\uff0c\u81ea\u52a8\u6d41\u91cf\u9ed1\u6d1e                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : opengps <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 ddos \u4e0d\u662f\u9760\u4e3b\u673a\u5185\u90e8\u670d\u52a1\u53bb\u627f\u8f7d\uff0c\u800c\u662f\u7528\u7f51\u7edc\u5c42\u7684\u6e05\u6d17\u8bbe\u5907\uff0c\u9ad8\u9632 ip \u8fd9\u79cd\uff0c\u3002
    \u4e3b\u9047\u5230\u7684\u4e0d\u80fd\u53eb\u505a ddos\uff0c\u8fd9\u7c7b\u53ef\u4ee5\u5f52\u7c7b\u7ed9 cc\uff0c\u4f46\u662f\u53ea\u6709\u798f\u5efa\u7701\u4e0d\u5927\u6b63\u5e38\u3002
    \u6392\u67e5\u4e0b\u662f\u4e0d\u662f\u6709\u4eba\u5728\u798f\u5efa\u7684\u7f51\u7edc\u4e0b\u5bf9\u4f60\u8fd0\u884c\u4e86\u722c\u866b\uff0c\u505a\u597d\u9632\u5fa1\u722c\u866b                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : stanchenxxx2015 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e3b\uff0c\u9ad8\u9632\u670d\u52a1\u8981\u4e0d\u8981\u8003\u8651\u4e0b\uff1f\u625b DDos\/CC \u653b\u51fb+CDN \u3002\u6211\u4eec\u8fd9\u8fb9\u662f\u5927\u5382\u7684\u4ee3\u7406\uff0c\u53ef\u4ee5\u7ed9\u5230\u60a8\u6ee1\u610f\u7684\u4ef7\u683c\u3002\u611f\u5174\u8da3\u7684\u8bdd\uff0c\u53ef\u4ee5\u8054\u7cfb\u6211\u5fae\u4fe1\uff1aMTczNDYyNjUwNzA=\uff08 Base64 \uff09                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
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