{"id":297649,"date":"2021-01-18T08:36:36","date_gmt":"2021-01-18T00:36:36","guid":{"rendered":"http:\/\/4563.org\/?p=297649"},"modified":"2021-01-18T08:36:36","modified_gmt":"2021-01-18T00:36:36","slug":"4-%e5%b1%82%e4%bb%a3%e7%90%86%e3%80%817-%e5%b1%82%e4%bb%a3%e7%90%86%e7%9a%84%e5%b1%82%e5%88%b0%e5%ba%95%e6%8c%87%e7%9a%84%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=297649","title":{"rendered":"4 \u5c42\u4ee3\u7406\u30017 \u5c42\u4ee3\u7406\u7684\u201c\u5c42\u201d\u5230\u5e95\u6307\u7684\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"
\n
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4 \u5c42\u4ee3\u7406\u30017 \u5c42\u4ee3\u7406\u7684\u201c\u5c42\u201d\u5230\u5e95\u6307\u7684\u662f\u4ec0\u4e48\uff1f <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : zhoudaiyu <\/span> <\/i> 8<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u5bf9\u7f51\u7edc\u4e00\u76f4\u5904\u4e8e\u61f5\u903c\u72b6\u6001\uff0c\u6211\u4eec\u8bf4\u7684 Nginx \u7684 4 \u5c42\u4ee3\u7406\u901a\u5e38\u662f TCP \u4ee3\u7406\uff0c7 \u5c42\u662f HTTP \u5c42\u4ee3\u7406\uff0c4 \u5c42\u4ee3\u7406\u5c31\u662f\u4e0d\u7ba1\u8fd9\u4e2a\u6570\u636e\u5305\u662f\u5426\u627f\u8f7d HTTP \u534f\u8bae\u6570\u636e\uff0c\u53ea\u89e3\u6790\u5230 IP \u548c\u7aef\u53e3\uff0c\u7136\u540e\u505a\u8f6c\u53d1\u3002\u800c 7 \u5c42\u4ee3\u7406\u8981\u89e3\u6790\u5230 HTTP \u5c42\uff0c\u6bd4\u5982 URL \u3001\u8bf7\u6c42\u5934\u3001\u8bf7\u6c42\u4f53\u7b49\uff0c\u7136\u540e\u505a\u7684\u8fd8\u662f\u8f6c\u53d1\uff0c\u76f8\u5f53\u4e8e\u53ef\u4ee5\u5224\u65ad\u5982\u4f55\u8f6c\u53d1\u7684\u4fe1\u606f\u6bd4 4 \u5c42\u7684\u66f4\u4e30\u5bcc\u4e86\u3002\u90a3\u4e48\u5047\u5982\u4e0d\u9700\u8981\u89e3\u6790 HTTP \u5c42\u4fe1\u606f\uff0c\u90a3\u662f\u4e0d\u662f\u53ef\u4ee5\u6240\u6709\u8f6c\u53d1\u90fd\u53ea\u8d70 4 \u5c42\uff1f\u8fd8\u6709\u5c31\u662f\u4e00\u76f4\u4e0d\u592a\u6e05\u695a LVS \u5230\u5e95\u662f 4 \u5c42\u8f6c\u53d1\u8fd8\u662f 3 \u5c42\uff1f\u5047\u5982\u6211\u4e0a\u9762\u8bf4\u7684\u6ca1\u95ee\u9898\u7684\u8bdd\uff0c\u90a3 LVS \u5c31\u662f\u4e2a 4 \u5c42\u4ee3\u7406\u5427\uff1f\u4e0a\u6b21\u95ee\u4e86\u8fd9\u4e2a\u95ee\u9898\u6709\u51e0\u4e2a\u5144\u5f1f\u8bf4\u662f\u4e2a 3 \u5c42\u4ee3\u7406\u3002<\/p>\n<\/p><\/div>\n

<\/p>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (22<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : shawshi <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    tcp \u534f\u8bae <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : bianzhifu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    OSI Model <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : chaleaoch <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u56db\u5c42, \u5e26\u7aef\u53e3\u90fd\u662f\u56db\u5c42. \u6ca1\u542c\u8bf4\u8fc7 \u4e0d\u5e26\u7aef\u53e3\u7684\u8f6c\u53d1. <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : doublleft <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    OSI <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : NSAgold <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    OSI \u4e03\u5c42\u6a21\u578b <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : cassyfar <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5c42\u7684\u5c42 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : deorth <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u54ea\u6765\u7684\u4e09\u5c42\u4ee3\u7406\uff0c\u4e09\u5c42\u8f6c\u53d1\u53eb\u8def\u7531\u3002
    LVS \u6709\u4e2a DR \uff08 Direct Routing \uff09\u6a21\u5f0f\uff0c\u5982\u5b57\u9762\u610f\u601d\u4e00\u6837\uff0c\u8fd9\u5c31\u662f\u4e2a\u8def\u7531\u8f6c\u53d1 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : anubu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u201c\u5c42\u201d\u662f OSI \u6a21\u578b\u4e2d\u7684\u7f51\u7edc\u5206\u5c42\uff0c4 \u5c42\u662f\u4f20\u8f93\u5c42\uff0c7 \u5c42\u662f\u5e94\u7528\u5c42\u3002
    4 \u5c42\u4ee3\u7406\u66f4\u901a\u7528\u4e9b\uff0c\u4e00\u4e9b\u6ca1\u6709\u57df\u540d\u7684\u573a\u666f\u4e5f\u53ef\u4ee5\u4f7f\u7528\uff0c7 \u5c42\u4ee3\u7406\u5219\u4e00\u822c\u53ea\u9488\u5bf9\u57df\u540d\u8fdb\u884c\u4ee3\u7406\u5206\u53d1\u3002\u5c31\u591a\u4e2a Web \u670d\u52a1\u6765\u8bf4\uff0c\u5927\u90e8\u5206\u573a\u666f\uff0c\u4e0d\u7ba1\u7528\u4e0d\u7528 4 \u5c42\u4ee3\u7406\uff0c7 \u5c42\u4ee3\u7406\u90fd\u4f1a\u4f7f\u7528\u3002
    LVS \u662f\u4e00\u4e2a 4 \u5c42\u4ee3\u7406\uff0c\u6709\u4e9b\u6df7\u6dc6\u7684\u539f\u56e0\u53ef\u80fd\u662f\u5728 \u6982\u5ff5>\u5b9e\u73b0>\u5b9e\u64cd \u73af\u8282\u6ca1\u68b3\u7406\u6e05\u695a\u3002LVS \u7684\u914d\u7f6e\u5de5\u5177\u662f ipvsadm\uff0c\u5927\u90e8\u5206\u60c5\u51b5\u4e0b\u4e0d\u4f1a\u76f4\u63a5\u4f7f\u7528\uff0c\u800c\u662f\u914d\u5408 keepalived \u6765\u4e00\u8d77\u4f7f\u7528\u7684\u3002keepalived \u662f\u4e00\u4e2a IP \u9ad8\u53ef\u7528\u65b9\u6848\uff0c\u7528\u6765\u63a7\u5236 3 \u5c42\uff08\u7f51\u7edc\u5c42\uff09\u6570\u636e\u3002\u8fd9\u53ef\u80fd\u662f\u7406\u89e3\u6df7\u6dc6\u7684\u5730\u65b9\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zhoudaiyu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @deorth
    @anubu \u4e8c\u4f4d\uff0cLVS \u5230\u5e95\u662f\u54ea\u5c42\u7684\u554a <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : towser <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5c42\u6307\u7684\u662f\u4ec0\u4e48\uff1f
    \u6307 OSI \u53c2\u8003\u6a21\u578b\u4e2d\u5bf9\u7f51\u7edc\u7684\u5206\u5c42\u3002<\/p>\n

    \u90a3\u4e48\u5047\u5982\u4e0d\u9700\u8981\u89e3\u6790 HTTP \u5c42\u4fe1\u606f\uff0c\u90a3\u662f\u4e0d\u662f\u53ef\u4ee5\u6240\u6709\u8f6c\u53d1\u90fd\u53ea\u8d70 4 \u5c42\uff1f
    \u53ef\u4ee5\u3002<\/p>\n

    LVS \u5230\u5e95\u662f 4 \u5c42\u8f6c\u53d1\u8fd8\u662f 3 \u5c42\uff1f
    \u4f5c\u4e3a\u5747\u8861\u8d1f\u8f7d\u5668\uff0cLVS \u6709\u591a\u79cd\u6a21\u5f0f\uff0c\u53ef\u4ee5\u8c03\u5ea6\u4e03\u5c42\u3001\u56db\u5c42\u3001\u4e09\u5c42\u6d41\u91cf\u3002\u5982\u679c\u95ee LVS \u81ea\u8eab\u5b9e\u73b0\uff0c\u5b83\u5de5\u4f5c\u5728\u4e09\u5c42\u548c\u56db\u5c42\u4e4b\u95f4\u3002\u6211\u503e\u5411\u4e8e\u8ba4\u4e3a\u5176\u5de5\u4f5c\u5728\u4e09\u5c42\u3002<\/p>\n

    \u90a3 LVS \u5c31\u662f\u4e2a 4 \u5c42\u4ee3\u7406\u5427\uff1f
    \u5dee\u4e0d\u591a\u53ef\u4ee5\u8fd9\u4e48\u8bf4\uff0cLVS \u5927\u90e8\u5206\u65f6\u5019\u90fd\u662f\u4f5c\u4e3a\u56db\u5c42\u5747\u8861\u8d1f\u8f7d\u5668\u4f7f\u7528\u3002<\/p>\n

    \u4e0a\u6b21\u95ee\u4e86\u8fd9\u4e2a\u95ee\u9898\u6709\u51e0\u4e2a\u5144\u5f1f\u8bf4\u662f\u4e2a 3 \u5c42\u4ee3\u7406
    \u6211\u60f3\u8fd9\u4e3b\u8981\u662f\u53e3\u5934\u8868\u8fbe\u4e0a\u7684\u5dee\u5f02\u3002\u5728 DR \u6a21\u5f0f\u4e0b\uff0cLVS \u9700\u8981\u64cd\u4f5c IP \u548c Mac\uff0c\u6240\u4ee5\u53ef\u4ee5\u8bf4 LVS \u662f\u4e09\u5c42\u4ee3\u7406\uff08\u51c6\u786e\u4e00\u70b9\u8bf4\uff0c\u662f\u4e09\u5c42\u300c\u8f6c\u53d1\u300d\uff09\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zhoudaiyu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @towser \u5927\u4f6c\uff0c\u4f60\u89e3\u7b54\u7684\u662f\u76ee\u524d\u6700\u8be6\u7ec6\u7684\uff0c\u5341\u5206\u611f\u8c22\uff01\u518d\u95ee\u4e2a\u5c0f\u767d\u7684\u95ee\u9898 \uff08\u76ee\u524d\u6ca1\u627e\u5230\u9760\u8c31\u7b54\u6848\uff09\u6bd4\u5982\u4e00\u4e2a HTTP POST \u8bf7\u6c42\uff0c\u901a\u5e38\u628a payload \u653e\u5728\u8bf7\u6c42\u4f53\u4e2d\uff0c\u90a3\u4e48\u662f\u5426\u53ef\u4ee5\u7528 TCP \u5c42\u627f\u8f7d\u6570\u636e\u5462\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : mansurx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @zhoudaiyu #11 \u4e00\u822c\u610f\u4e49\u4e0a\u7684 HTTP \u534f\u8bae\u662f\u5de5\u4f5c\u5728 TCP \u7684 80 \u3001443 \u7aef\u53e3\u7684\u3002\u5b83\u7684\u6570\u636e\u5305\uff08\u5305\u62ec http \u5934\u90e8\u548c payload \u90e8\u5206\uff09\u672c\u6765\u5c31\u662f TCP \u8d1f\u8f7d\u7684\u4e00\u79cd\uff0c\u81ea\u7136\u4e5f\u5c31\u662f\u5728 TCP \u5305\u7684 data \u90e8\u5206\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zhoudaiyu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @mansurx \u8c22\u8c22\uff0c\u6211\u597d\u5927\u81f4\u660e\u767d\u60a8\u7684\u610f\u601d\u4e86\uff0c\u5c31\u662f TCP \u4e0a\u5c42\u7684\u534f\u8bae\u7684\u5168\u90e8\u6570\u636e\u90fd\u5728 TCP \u7684 data \u91cc <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : NSAgold <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @zhoudaiyu \u53ef\u4ee5\u770b\u4e00\u4e0b\u300a\u8ba1\u7b97\u673a\u7f51\u7edc\u57fa\u7840\u300b \u8fd9\u95e8\u8bfe\u7684\u6559\u79d1\u4e66\u5728\u8fd9\u65b9\u9762\u8bb2\u7684\u8fd8\u662f\u6bd4\u8f83\u8be6\u7ec6\u7684\u3002
    HTTP \u7b49\u5e94\u7528\u5c42\u534f\u8bae\u662f\u5728\u5e95\u5c42\uff08\u8fd0\u8f93\u5c42\u7b49\uff09\u7684\u57fa\u7840\u4e4b\u4e0a\u7684\u3002
    \u5177\u4f53\u53ef\u4ee5\u53c2\u8003 OSI 7 \u5c42\u6a21\u578b tcp\/ip \u56db\u5c42\u6a21\u578b \u548c \u4e94\u5c42\u6a21\u578b\u7684\u77e5\u8bc6\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Tyuans <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6211\u662f\u770b\u4e86\u770b\u8ba1\u7b97\u673a\u7f51\u7edc\u7684\u4e66\uff0c\u7136\u540e\u542c\u4e86\u542c b \u7ad9\u7684\u8bfe\uff0c\u57fa\u672c\u7684\u90fd\u5dee\u4e0d\u591a\u4e86\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : zw1027 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u56fe\u89e3 TCP\/IP\uff0c\u56fe\u89e3 HTTP \u89e3\u541b\u6101 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : masker <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5efa\u8bae\u4e70\u4e00\u672c \u56fe\u89e3 TCP\/IP \u81ea\u5df1\u5543\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : towser <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @zhoudaiyu <\/p>\n

    \u90a3\u4e48\u662f\u5426\u53ef\u4ee5\u7528 TCP \u5c42\u627f\u8f7d\u6570\u636e\u5462
    \u5b9e\u9645\u4e0a HTTP1 \u548c 2 \u5c31\u662f\u7528 TCP \u627f\u8f7d\u6570\u636e\u7684\u3002HTTP \u7684\u6240\u6709\u6570\u636e\u90fd\u5c01\u88c5\u5728 TCP \u7684\u8f7d\u8377\u90e8\u5206\u3002
    HTTP3 \u4e0d\u518d\u4f7f\u7528 TCP \u800c\u8f6c\u5411 UDP \uff08 QUIC \uff09\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : learningman <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u9996\u5148\u662f\u6570\u636e\uff0c\u7136\u540e\u52a0\u4e0a http \u5934 7 \u5c42\uff0c\u52a0\u4e0a TCP \u5934 4 \u5c42\uff0c\u52a0\u4e0a IO \u5934\u4e09\u5c42 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : ETiV <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    https:\/\/linuxhint.com\/osi_network_layer_analsysis_wireshark\/
    https:\/\/medium.com\/the-cabin-coder\/viewing-osi-layers-on-wireshark-a51b77cfbd72<\/p>\n

    \u5149\u9760\u6587\u5b57\u8fd8\u662f\u592a\u62bd\u8c61\u4e86\uff0c\u4f60\u53ef\u4ee5\u53bb\u641c\u4e00\u4e0b Wireshark OSI layers
    \u914d\u5408\u6293\u5305\u5de5\u5177\u4e00\u8d77\u7406\u89e3\uff08\u5f53\u7136\u4f60\u4e5f\u53ef\u4ee5\u81ea\u5df1\u6293\u5404\u79cd\u5176\u4ed6\u534f\u8bae\u7684\u5305\u53bb\u770b\uff09 <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zhoudaiyu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @zw1027 #16
    @masker #17 \u611f\u8c22\uff0c\u6211\u4e70\u4e86 TCP\/IP \u8be6\u89e3\uff0c\u4f46\u662f\u592a\u96be\u4e86\u5543\u4e0d\u4e0b\u53bb <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : julyclyde <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f60\u8fd8\u662f\u7ee7\u7eed\u8bfb\u5427
    \u4f60\u8fd9\u95ee\u9898\u6839\u672c\u5c31\u662f NULL <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    4 \u5c42\u4ee3\u7406\u30017 \u5c42\u4ee3\u7406\u7684\u201c\u5c42\u201d\u5230\u5e95…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/297649"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=297649"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/297649\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=297649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=297649"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=297649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}