{"id":3352,"date":"2024-03-24T05:12:52","date_gmt":"2024-03-23T21:12:52","guid":{"rendered":"http:\/\/www.ccwifi.cc\/blogs\/?p=3352"},"modified":"2024-03-24T05:12:52","modified_gmt":"2024-03-23T21:12:52","slug":"%e4%bd%bf%e7%94%a8wireshark%e5%88%86%e6%9e%90-%e4%bb%a5%e5%a4%aa%e7%bd%91%e5%b8%a7%e4%b8%8ea7479","status":"publish","type":"post","link":"https:\/\/www.ccwifi.cc\/blogs\/2024\/03\/24\/%e4%bd%bf%e7%94%a8wireshark%e5%88%86%e6%9e%90-%e4%bb%a5%e5%a4%aa%e7%bd%91%e5%b8%a7%e4%b8%8ea7479\/","title":{"rendered":"\u4f7f\u7528Wireshark\u5206\u6790-\u4ee5\u592a\u7f51\u5e27\u4e0eARP\u534f\u8bae-IP\u534f\u8bae-ICMP"},"content":{"rendered":"
\n

\u5728\u7ebfwifi\u8dd1\u5305 \u91d1\u521a\u5305\u8dd1\u5305 cap\u8dd1\u5305 hccapx ewsa\u5728\u7ebf \u5c31\u6765 \u63e1\u624b\u5305\u8dd1\u5305<\/a><\/strong><\/p>\n

\u5404\u4f4d\u597d \u53c8\u89c1\u9762\u4e86 \u6211\u662f\u66f9\u64cd \u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\u65b0\u7684\u6559\u7a0b<\/p>\n

\u5e0c\u671b\u5404\u4f4d\u7ec6\u5fc3\u5b66\u4e60 \u4f4e\u8c03\u7528\u7f51<\/p>\n<\/div>\n

                    \t\t \u56fe2 \n<\/code><\/pre>\n
\u6587\u7ae0\u76ee\u5f55<\/p>\n
\u5b9e\u9a8c\u4e00 Wireshark\u7684\u4f7f\u7528<\/p>\n
\u4e00\u3001\u5b9e\u9a8c\u76ee\u7684<\/p>\n
1\u3001\u719f\u6089\u5e76\u638c\u63e1Wireshark\u7684\u57fa\u672c\u4f7f\u7528\uff1b<\/p>\n
2\u3001\u4e86\u89e3\u7f51\u7edc\u534f\u8bae\u5b9e\u4f53\u95f4\u8fdb\u884c\u4ea4\u4e92\u4ee5\u53ca\u62a5\u6587\u4ea4\u6362\u7684\u60c5\u51b5\u3002<\/p>\n
\u4e8c\u3001\u5b9e\u9a8c\u73af\u5883<\/p>\n
\u4e0e\u56e0\u7279\u7f51\u8fde\u63a5\u7684\u8ba1\u7b97\u673a\uff0c\u64cd\u4f5c\u7cfb\u7edf\u4e3aWindows\uff0c\u5b89\u88c5\u6709Wireshark\u3001IE\u7b49\u8f6f\u4ef6\u3002<\/p>\n
\u4e09\u3001 \u5b9e\u9a8c\u6b65\u9aa4<\/p>\n
1.\u542f\u52a8Web\u6d4f\u89c8\u5668\uff08\u5982IE\uff09\uff1b<\/p>\n
    \n
  1. \n
    \u542f\u52a8Wireshark\uff1b<\/p>\n<\/li>\n
  2. \n
    \u5f00\u59cb\u5206\u7ec4\u6355\u83b7\uff1a\u5355\u51fb\u5de5\u5177\u680f\u5f00\u59cb\u6309\u94ae<\/p>\n<\/li>\n
  3. \n
    \u5728\u8fd0\u884c\u5206\u7ec4\u6355\u83b7\u7684\u540c\u65f6\uff0c\u5728\u6d4f\u89c8\u5668\u5730\u5740\u680f\u4e2d\u8f93\u5165\u67d0\u4e2a\u7f51\u9875\u7684URL\uff0c\u5982\uff1a<\/p>\n<\/li>\n
  4. \n
    \u5f53\u5b8c\u6574\u7684\u9875\u9762\u4e0b\u8f7d\u5b8c\u6210\u540e\uff0c\u5355\u51fb\u6355\u83b7\u5bf9\u8bdd\u6846\u4e2d\u7684\u201cstop\u201d\u6309\u94ae\uff0c\u505c\u6b62\u5206\u7ec4\u6355\u83b7\u3002\u6b64\u65f6\uff0c Wireshark\u4e3b\u7a97\u53e3\u663e\u793a\u5df2\u6355\u83b7\u7684\u4f60\u672c\u6b21\u901a\u4fe1\u7684\u6240\u6709\u534f\u8bae\u62a5\u6587\uff1b<\/p>\n<\/li>\n
  5. \n
    \u5728\u534f\u8bae\u7b5b\u9009\u6846\u4e2d\u8f93\u5165\u201chttp\u201d\uff0c\u5355\u51fb\u201capply\u201d\u6309\u94ae\uff0c\u5206\u7ec4\u5217\u8868\u7a97\u53e3\u5c06\u53ea\u663e\u793aHTTP\u534f\u8bae\u62a5\u6587\u3002<\/p>\n<\/li>\n
  6. \n
    \u62e9\u5206\u7ec4\u5217\u8868\u7a97\u53e3\u4e2d\u7684\u7b2c\u4e00\u6761http\u62a5\u6587\uff0c\u5b83\u662f\u4f60\u7684\u8ba1\u7b97\u673a\u53d1\u5411\u670d\u52a1\u5668\uff08\uff09\u7684HTTP GET\u62a5\u6587\u3002\u5f53\u4f60\u9009\u62e9\u8be5\u62a5\u6587\u540e\uff0c\u4ee5\u592a\u7f51\u5e27\u3001IP\u6570\u636e\u62a5\u3001TCP\u62a5\u6587\u6bb5\u3001\u4ee5\u53caHTTP\u62a5\u6587\u9996\u90e8\u4fe1\u606f\u90fd\u5c06\u663e\u793a\u5728\u5206\u7ec4\u9996\u90e8\u5b50\u7a97\u53e3\u4e2d\uff0c\u5176\u7ed3\u679c\u5982\u56fe2\u3002<\/p>\n<\/li>\n<\/ol>\n
                       \t\u56fe1\u3000HTTP GET\u4fe1\u606f\u548c\u54cd\u5e94\u4fe1\u606f\n<\/code><\/pre>\n
    \u56db\u3001 \u95ee\u9898\u4e0e\u601d\u8003<\/p>\n
    \u5728\u5b9e\u9a8c\u57fa\u7840\u4e0a\uff0c\u56de\u7b54\u4ee5\u4e0b\u95ee\u9898\uff1a<\/p>\n
    (1) \u5217\u51fa\u5728\u7b2c5\u6b65\u4e2d\u5206\u7ec4\u5217\u8868\u5b50\u7a97\u53e3\u6240\u663e\u793a\u7684\u6240\u6709\u534f\u8bae\u7c7b\u578b\uff1b<\/p>\n
    \u7f51\u7edc\u534f\u8bae\uff1a<\/p>\n
    \u4f20\u8f93\u534f\u8bae\uff1a<\/p>\n
    (2) \u4ece\u53d1\u51faHTTP GET\u62a5\u6587\u5230\u63a5\u6536\u5230\u5bf9\u5e94\u7684HTTP OK\u54cd\u5e94\u62a5\u6587\u5171\u9700\u8981\u591a\u957f\u65f6\u95f4\uff1f\uff08\u5206\u7ec4\u5217\u8868\u7a97\u53e3\u4e2dTime\u5217\u7684\u503c\u662f\u4eceWireshark\u5f00\u59cb\u8ffd\u8e2a\u5230\u5206\u7ec4\u88ab\u6355\u83b7\u7684\u603b\u7684\u65f6\u95f4\u6570\uff0c\u4ee5\u79d2\u4e3a\u5355\u4f4d\uff09<\/p>\n
    \u9700\u89810.068527\u79d2<\/p>\n
    (3) \u4f60\u4e3b\u673a\u7684IP\u5730\u5740\u662f\u4ec0\u4e48\uff1f\u4f60\u8bbf\u95ee\u7684\u670d\u52a1\u5668\u7684IP\u5730\u5740\u662f\u4ec0\u4e48\uff1f<\/p>\n
    \u4e3b\u673aIP\uff1a<\/p>\n
    \u670d\u52a1\u5668IP\uff1a<\/p>\n
    \u5b9e\u9a8c\u4e8c \u4f7f\u7528Wireshark\u5206\u6790\u4ee5\u592a\u7f51\u5e27\u4e0eARP\u534f\u8bae<\/p>\n
    \u4e00\u3001\u5b9e\u9a8c\u76ee\u7684<\/p>\n
    \u5206\u6790\u4ee5\u592a\u7f51\u5e27\uff0cMAC\u5730\u5740\u548cARP\u534f\u8bae<\/p>\n
    \u4e8c\u3001\u5b9e\u9a8c\u73af\u5883<\/p>\n
    \u4e0e\u56e0\u7279\u7f51\u8fde\u63a5\u7684\u8ba1\u7b97\u673a\u7f51\u7edc\u7cfb\u7edf\uff1b\u4e3b\u673a\u64cd\u4f5c\u7cfb\u7edf\u4e3awindows\uff1b\u4f7f\u7528Wireshark\u3001IE\u7b49\u8f6f\u4ef6\u3002<\/p>\n
    \u4e09\u3001\u5b9e\u9a8c\u6b65\u9aa4\uff1a<\/p>\n
    1\u3001\u4fd8\u83b7\u548c\u5206\u6790\u4ee5\u592a\u7f51\u5e27<\/p>\n
    \uff081\uff09\u9009\u62e9 \u5de5\u5177->Internet \u9009\u9879->\u5220\u9664\u6587\u4ef6<\/p>\n
    \uff082\uff09\u542f\u52a8Wireshark \u5206\u7ec4\u55c5\u63a2\u5668<\/p>\n
    \uff083\uff09\u5728\u6d4f\u89c8\u5668\u5730\u5740\u680f\u4e2d\u8f93\u5165\u5982\u4e0b\u7f51\u5740\uff1a<\/p>\n
    \u767e\u5ea6\u4e00\u4e0b<\/p>\n
    \uff084\uff09\u505c\u6b62\u5206\u7ec4\u4fd8\u83b7\u3002\u5728\u4fd8\u83b7\u5206\u7ec4\u5217\u8868\u4e2d\uff08listing of captured packets\uff09\u4e2d\u627e\u5230HTTP GET \u4fe1\u606f\u548c\u54cd\u5e94\u4fe1\u606f\uff0c\u5982\u56fe1\u6240\u793a\u3002<\/p>\n
                        \t\t\u56fe1 \u547d\u4ee4\u7a97\u53e3\n<\/code><\/pre>\n
    HTTP GET\u4fe1\u606f\u88ab\u5c01\u88c5\u5728TCP\u5206\u7ec4\u4e2d\uff0cTCP\u5206\u7ec4\u53c8\u88ab\u5c01\u88c5\u5728IP\u6570\u636e\u62a5\u4e2d\uff0cIP\u6570\u636e\u62a5\u53c8\u88ab\u5c01\u88c5\u5728\u4ee5\u592a\u7f51\u5e27\u4e2d\uff09\u3002\u5728\u5206\u7ec4\u660e\u7ec6\u7a97\u53e3\u4e2d\u5c55\u5f00Ethernet II\u4fe1\u606f\uff08packet details window\uff09\u3002<\/p>\n
    2\u3001\u5206\u6790\u5730\u5740ARP\u534f\u8bae<\/p>\n
    (1)ARP Caching<\/p>\n
    ARP\u534f\u8bae\u7528\u4e8e\u5c06\u76ee\u7684IP\u8f6c\u6362\u4e3a\u5bf9\u5e94\u7684MAC\u5730\u5740\u3002Arp\u547d\u4ee4\u7528\u6765\u89c2\u5bdf\u548c\u64cd\u4f5c\u7f13\u5b58\u4e2d\u7684\u5185\u5bb9\u3002\u867d\u7136arp \u547d\u4ee4\u548cARP\u6709\u4e00\u6837\u7684\u540d\u5b57\uff0c\u5f88\u5bb9\u6613\u6df7\u6dc6\uff0c\u4f46\u5b83\u4eec\u7684\u4f5c\u7528\u662f\u4e0d\u540c\u7684\u3002\u5728\u547d\u4ee4\u63d0\u793a\u7b26\u4e0b\u8f93\u5165arp\u53ef\u4ee5\u770b\u5230\u5728\u4f60\u6240\u5728\u7535\u8111\u4e2dARP\u7f13\u5b58\u4e2d\u7684\u5185\u5bb9\u3002\u4e3a\u4e86\u89c2\u5bdf\u5230\u4f60\u6240\u5728\u7535\u8111\u53d1\u9001\u548c\u63a5\u6536ARP\u4fe1\u606f\uff0c\u6211\u4eec\u9700\u8981\u6e05\u9664ARP\u7f13\u5b58\uff0c\u5426\u5219\u4f60\u6240\u5728\u4e3b\u673a\u5f88\u5bb9\u6613\u627e\u5230\u5df2\u77e5IP\u548c\u5339\u914d\u7684MAC\u5730\u5740\u3002<\/p>\n
    \u6b65\u9aa4\u5982\u4e0b:<\/p>\n
    (2) \u6e05\u9664ARP cache \u5177\u4f53\u505a\u6cd5:\u5728MSDOS\u73af\u5883\u4e0b\uff0c\u8f93\u5165\u547d\u4ee4arp-d.<\/p>\n
    (3)\u542f\u52a8Wireshark \u5206\u7ec4\u55c5\u63a2\u5668<\/p>\n
    (4)\u505c\u6b62\u5206\u7ec4\u4fd8\u83b7.\u8f93\u5165\u7b5b\u9009\u6761\u4ef6arp\uff0c\u83b7\u5f97arp\u62a5\u6587\uff0c\u5982\u56fe\u6240\u793a<\/p>\n
    \u76ee\u7684MAC\u5730\u5740\uff1a28:39:26:02:23:d3<\/p>\n
    \u6e90MAC\u5730\u5740\uff1a04:d3:b5:2a:f7:c3<\/p>\n
    \u5e27\u7c7b\u578b\uff1aARP(0x0806)<\/p>\n
    \u786c\u4ef6\u7c7b\u578b\uff1a1<\/p>\n
    \u534f\u8bae\u7c7b\u578b\uff1aIPV4(0x0800)<\/p>\n
    \u786c\u4ef6\u5730\u5740\u957f\u5ea6\uff1a6\u5b57\u8282<\/p>\n
    \u534f\u8bae\u5730\u5740\u957f\u5ea6\uff1a4\u5b57\u8282<\/p>\n
    Opcode:\u8868\u793aARP\u62a5\u6587\u7684\u79cd\u7c7b\uff1b\u53d6\u503c\u4e3a1\uff0c\u8868\u793a\u8bf7\u6c42\u62a5\u6587\uff1b\u53d6\u503c\u4e3a2\uff0c\u8868\u793aARP\u5e94\u7b54\u62a5\u6587<\/p>\n
    \u53d1\u9001\u7aefMAC\u5730\u5740\uff1a04:d3:b5:2a:f7:c3(\u4fe1\u606f\u4f53\u7684\u53d1\u8d77\u7aef\uff09<\/p>\n
    \u53d1\u9001\u7aefIP\u5730\u5740\uff1a 192.168.8.1<\/p>\n
    \u76ee\u7684\u7aef MAC\u5730\u5740\uff1a00:00:00_00:00:00:00<\/p>\n
    \u76ee\u7684\u7aefIP\u5730\u5740\uff1a192.168.8.104<\/p>\n
    \u56db\u3001\u95ee\u9898\u4e0e\u601d\u8003<\/p>\n
    1\u3001\u4f60\u6240\u5728\u7684\u4e3b\u673a48-bit Ethernet \u5730\u5740\u662f\u591a\u5c11\uff1f<\/p>\n
    2\u3001Ethernet \u5e27\u4e2d\u76ee\u7684\u5730\u5740\u662f\u591a\u5c11\uff1f\u8fd9\u4e2a\u76ee\u7684\u5730\u5740\u662f\u7684Ethernet \u5730\u5740\u5417\uff1f<\/p>\n
    \u76ee\u7684\u5730\u5740\u662f\u7684Ethernet \u5730\u5740<\/p>\n
    \u5b9e\u9a8c\u4e09 \u5229\u7528Wireshark\u5206\u6790ICMP<\/p>\n
    \u4e00\u3001\u5b9e\u9a8c\u76ee\u7684<\/p>\n
    \u5206\u6790ICMP<\/p>\n
    \u4e8c\u3001\u5b9e\u9a8c\u73af\u5883<\/p>\n
    \u4e0e\u56e0\u7279\u7f51\u8fde\u63a5\u7684\u8ba1\u7b97\u673a\uff0c\u64cd\u4f5c\u7cfb\u7edf\u4e3aWindows\uff0c\u5b89\u88c5\u6709Wireshark\u3001IE\u7b49\u8f6f\u4ef6\u3002<\/p>\n
    \u4e09\u3001\u5b9e\u9a8c\u6b65\u9aa4<\/p>\n
    Ping\u547d\u4ee4\u4f9d\u8d56\u4e8eICMP\u3002ICMP\u53ef\u4ee5\u770b\u4f5c\u662fIP\u534f\u8bae\u7684\u4f34\u968f\u534f\u8bae\u3002ICMP\u62a5\u6587\u88ab\u5c01\u88c5\u5728IP \u6570\u636e\u62a5\u53d1\u9001\u3002\u4e00\u4e9bICMP\u62a5\u6587\u4f1a\u8bf7\u6c42\u4fe1\u606f\u3002\u4f8b\u5982\uff1a\u5728ping\u4e2d\uff0c\u4e00\u4e2aICMP\u56de\u5e94\u8bf7\u6c42\u62a5\u6587\u88ab\u53d1\u9001\u7ed9\u8fdc\u7a0b\u4e3b\u673a\u3002\u5982\u679c\u5bf9\u65b9\u4e3b\u673a\u5b58\u5728\uff0c\u671f\u671b\u5b83\u4eec\u8fd4\u56de\u4e00\u4e2aICMP\u56de\u5e94\u5e94\u7b54\u62a5\u6587\u3002\u4e00\u4e9bICMP\u62a5\u6587\u5728\u7f51\u7edc\u5c42\u53d1\u751f\u9519\u8bef\u65f6\u53d1\u9001\u3002\u4f8b\u5982\uff0c\u6709\u4e00\u79cdICMP\u62a5\u6587\u7c7b\u578b\u8868\u793a\u76ee\u7684\u4e0d\u53ef\u8fbe\u3002\u9020\u6210\u4e0d\u53ef\u8fbe\u7684\u539f\u56e0\u5f88\u591a\uff0cICMP\u62a5\u6587\u8bd5\u56fe\u786e\u5b9a\u8fd9\u4e00\u95ee\u9898\u3002\u4f8b\u5982\uff0c\u53ef\u80fd\u662f\u4e3b\u673a\u5173\u53ca\u6216\u6574\u4e2a\u7f51\u7edc\u8fde\u63a5\u65ad\u5f00\u3002\u6709\u65f6\u5019\uff0c\u4e3b\u673a\u672c\u8eab\u53ef\u80fd\u6ca1\u6709\u95ee\u9898\uff0c\u4f46\u4e0d\u80fd\u53d1\u9001\u6570\u636e\u62a5\u3002\u4f8b\u5982IP\u9996\u90e8\u6709\u4e2a\u534f\u8bae\u5b57\u6bb5\uff0c\u5b83\u6307\u660e\u4e86\u4ec0\u4e48\u534f\u8bae\u5e94\u8be5\u5904\u7406IP\u6570\u636e\u62a5\u4e2d\u7684\u6570\u636e\u90e8\u5206\u3002IANA\u516c\u5e03\u4e86\u4ee3\u8868\u534f\u8bae\u7684\u6570\u5b57\u7684\u5217\u8868\u3002\u4f8b\u5982\uff0c\u5982\u679c\u8be5\u5b57\u6bb5\u662f6\uff0c\u4ee3\u8868TCP\u62a5\u6587\u6bb5,IP\u5c42\u5c31\u4f1a\u628a\u6570\u636e\u4f20\u7ed9TCP\u5c42\u8fdb\u884c\u5904\u7406\uff1b\u5982\u679c\u8be5\u5b57\u6bb5\u662f1\uff0c\u5219\u4ee3\u8868ICMP\u62a5\u6587\uff0cIP\u5c42\u4f1a\u5c06\u8be5\u6570\u636e\u4f20\u7ed9ICMP\u5904\u7406\u3002\u5982\u679c\u64cd\u4f5c\u7cfb\u7edf\u4e0d\u652f\u6301\u5230\u8fbe\u6570\u636e\u62a5\u4e2d\u534f\u8bae\u5b57\u6bb5\u7684\u534f\u8bae\u53f7\uff0c\u5b83\u5c06\u8fd4\u56de\u4e00\u4e2a\u6307\u660e\u201c\u534f\u8bae\u4e0d\u53ef\u8fbe\u201d\u7684ICMP\u62a5\u6587\u3002IANA\u540c\u6837\u516c\u5e03\u4e86ICMP\u62a5\u6587\u7c7b\u578b\u7684\u6e05\u5355\u3002<\/p>\n
    1\u3001ping \u548c ICMP<\/p>\n
    \u5229\u7528Ping\u7a0b\u5e8f\u4ea7\u751fICMP\u5206\u7ec4\u3002Ping\u5411\u56e0\u7279\u7f51\u4e2d\u7684\u67d0\u4e2a\u7279\u5b9a\u4e3b\u673a\u53d1\u9001\u7279\u6b8a\u7684\u63a2\u6d4b\u62a5\u6587\u5e76\u7b49\u5f85\u8868\u660e\u4e3b\u673a\u5728\u7ebf\u7684\u56de\u590d\u3002\u5177\u4f53\u505a\u6cd5\uff1a<\/p>\n
    \uff081\uff09\u6253\u5f00Windows\u547d\u4ee4\u63d0\u793a\u7b26\u7a97\u53e3\uff08Windows Command Prompt\uff09\u3002<\/p>\n
    \uff082\uff09\u542f\u52a8Wireshark \u5206\u7ec4\u55c5\u63a2\u5668\uff0c\u5728\u8fc7\u6ee4\u663e\u793a\u7a97\u53e3\uff08filter display window\uff09\u4e2d\u8f93\u5165icmp,\u5f00\u59cbWireshark \u5206\u7ec4\u4fd8\u83b7\u3002<\/p>\n
    \uff083\uff09\u8f93\u5165\u201cping \u2013n 10 \u201d \u3002\u5176\u4e2d\u201c-n 10\u201d\u6307\u660e\u5e94\u8fd4\u56de10\u6761ping\u4fe1\u606f\u3002<\/p>\n
    \uff084\uff09\u5f53ping\u7a0b\u5e8f\u7ec8\u6b62\u65f6\uff0c\u505c\u6b62Wireshark \u5206\u7ec4\u4fd8\u83b7\u3002<\/p>\n
    \u5b9e\u9a8c\u7ed3\u675f\u540e\u4f1a\u51fa\u73b0\u5982\u56fe\u6240\u793a\u7684\u547d\u4ee4\u7a97\u53e3\uff1a<\/p>\n
                       \u56fe2 \u505c\u6b62\u5206\u7ec4\u4fd8\u83b7\u540eWireshark\u7684\u754c\u9762\n<\/code><\/pre>\n
                        \t\u56fe3 ICMP\u534f\u8bae\u8be6\u7ec6\u4fe1\u606f \n<\/code><\/pre>\n
    \u505c\u6b62\u5206\u7ec4\u4fd8\u83b7\u540e\uff0c\u4f1a\u51fa\u73b0\u5982\u56fe2\u6240\u793a\u7684\u754c\u9762\uff1a<\/p>\n
    \u56fe3\u662f\u5728\u5206\u7ec4\u5185\u5bb9\u7a97\u53e3\u4e2d\u663e\u793a\u4e86ICMP\u534f\u8bae\u7684\u8be6\u7ec6\u4fe1\u606f\u3002\u89c2\u5bdf\u8fd9\u4e2aICMP\u5206\u7ec4\uff0c\u53ef\u4ee5\u770b\u51fa\uff0c\u6b64ICMP\u5206\u7ec4\u7684Type 8 and Code 0 \u5373\u6240\u8c13\u7684ICMP \u201cecho request\u201d \u5206\u7ec4\u3002<\/p>\n
    \u7f51\u7edc\u534f\u8bae\uff1aIPV4<\/p>\n
    IP\u5e27\u90e8\u9996\u957f\u5ea6\uff1a20byt<\/p>\n
    \u670d\u52a1\u7c7b\u578b\uff1a0x00<\/p>\n
    IP\u5e27\u603b\u957f\u5ea6\uff1a60\u5b57\u8282<\/p>\n
    \u534f\u8bae\u7c7b\u578b\uff1aICMP(1)<\/p>\n
    \u68c0\u9a8c\u548c\uff1a0x500c<\/p>\n
    \u6e90\u5730\u5740IP\uff1a192.168.1.17<\/p>\n
    \u76ee\u6807\u5730\u5740IP\uff1a182.61.200.7<\/p>\n
    \u56db\u3001\u95ee\u9898\u4e0e\u601d\u8003<\/p>\n
    \u5728\u5b9e\u9a8c\u7684\u57fa\u7840\u4e0a\uff0c\u56de\u7b54\u4ee5\u4e0b\u95ee\u9898\uff1a<\/p>\n
    \uff081\uff09\u4f60\u6240\u5728\u4e3b\u673a\u7684IP\u5730\u5740\u662f\u591a\u5c11\uff1f\u76ee\u7684\u4e3b\u673a\u7684IP\u5730\u5740\u662f\u591a\u5c11\uff1f<\/p>\n
    \u6240\u5728\u4e3b\u673aIP\uff1a<\/p>\n
    \u76ee\u7684\u4e3b\u673aIP\uff1a<\/p>\n
    \uff082\uff09\u67e5\u770bping\u8bf7\u6c42\u5206\u7ec4\uff0cICMP\u7684type \u548ccode\u662f\u591a\u5c11\uff1f<\/p>\n
    \uff083\uff09\u67e5\u770b\u76f8\u5e94\u5f97ICMP\u54cd\u5e94\u4fe1\u606f\uff0cICMP\u7684type \u548ccode\u53c8\u662f\u591a\u5c11\uff1f<\/p>\n
    \uff084\uff09\u8fde\u63a5\u5c42\u7684IP\u5730\u5740\u662f\u591a\u5c11\uff1f<\/p>\n
    \uff085\uff09ICMP\u7684type \u548ccode\u662f\u591a\u5c11?<\/p>\n
    TYPECODEDescriptionQueryError
    \nEcho Reply\u2014\u2014\u56de\u663e\u5e94\u7b54\uff08Ping\u5e94\u7b54\uff09
    \nNetwork Unreachable\u2014\u2014\u7f51\u7edc\u4e0d\u53ef\u8fbe
    \nHost Unreachable\u2014\u2014\u4e3b\u673a\u4e0d\u53ef\u8fbe
    \nProtocol Unreachable\u2014\u2014\u534f\u8bae\u4e0d\u53ef\u8fbe
    \nPort Unreachable\u2014\u2014\u7aef\u53e3\u4e0d\u53ef\u8fbe
    \nFragmentation needed but no frag. bit set\u2014\u2014\u9700\u8981\u8fdb\u884c\u5206\u7247\u4f46\u8bbe\u7f6e\u4e0d\u5206\u7247\u6bd4\u7279
    \nSource routing failed\u2014\u2014\u6e90\u7ad9\u9009\u8def\u5931\u8d25
    \nDestination network unknown\u2014\u2014\u76ee\u7684\u7f51\u7edc\u672a\u77e5
    \nDestination host unknown\u2014\u2014\u76ee\u7684\u4e3b\u673a\u672a\u77e5
    \nSource host isolated (obsolete)\u2014\u2014\u6e90\u4e3b\u673a\u88ab\u9694\u79bb\uff08\u4f5c\u5e9f\u4e0d\u7528\uff09
    \nDestination network administratively prohibited\u2014\u2014\u76ee\u7684\u7f51\u7edc\u88ab\u5f3a\u5236\u7981\u6b62
    \n10Destination host administratively prohibited\u2014\u2014\u76ee\u7684\u4e3b\u673a\u88ab\u5f3a\u5236\u7981\u6b62
    \n11Network unreachable for TOS\u2014\u2014\u7531\u4e8e\u670d\u52a1\u7c7b\u578bTOS\uff0c\u7f51\u7edc\u4e0d\u53ef\u8fbe
    \n12Host unreachable for TOS\u2014\u2014\u7531\u4e8e\u670d\u52a1\u7c7b\u578bTOS\uff0c\u4e3b\u673a\u4e0d\u53ef\u8fbe
    \n13Communication administratively prohibited by filtering\u2014\u2014\u7531\u4e8e\u8fc7\u6ee4\uff0c\u901a\u4fe1\u88ab\u5f3a\u5236\u7981\u6b62
    \n14Host precedence violation\u2014\u2014\u4e3b\u673a\u8d8a\u6743
    \n15Precedence cutoff in effect\u2014\u2014\u4f18\u5148\u4e2d\u6b62\u751f\u6548
    \nSource quench\u2014\u2014\u6e90\u7aef\u88ab\u5173\u95ed\uff08\u57fa\u672c\u6d41\u63a7\u5236\uff09
    \nRedirect for network\u2014\u2014\u5bf9\u7f51\u7edc\u91cd\u5b9a\u5411
    \nRedirect for host\u2014\u2014\u5bf9\u4e3b\u673a\u91cd\u5b9a\u5411
    \nRedirect for TOS and network\u2014\u2014\u5bf9\u670d\u52a1\u7c7b\u578b\u548c\u7f51\u7edc\u91cd\u5b9a\u5411
    \nRedirect for TOS and host\u2014\u2014\u5bf9\u670d\u52a1\u7c7b\u578b\u548c\u4e3b\u673a\u91cd\u5b9a\u5411
    \nEcho request\u2014\u2014\u56de\u663e\u8bf7\u6c42\uff08Ping\u8bf7\u6c42\uff09
    \nRouter advertisement\u2014\u2014\u8def\u7531\u5668\u901a\u544a
    \n10Route solicitation\u2014\u2014\u8def\u7531\u5668\u8bf7\u6c42
    \n11TTL equals 0 during transit\u2014\u2014\u4f20\u8f93\u671f\u95f4\u751f\u5b58\u65f6\u95f4\u4e3a0
    \n11TTL equals 0 during reassembly\u2014\u2014\u5728\u6570\u636e\u62a5\u7ec4\u88c5\u671f\u95f4\u751f\u5b58\u65f6\u95f4\u4e3a0
    \n12IP header bad (catchall error)\u2014\u2014\u574f\u7684IP\u9996\u90e8\uff08\u5305\u62ec\u5404\u79cd\u5dee\u9519\uff09
    \n12Required options missing\u2014\u2014\u7f3a\u5c11\u5fc5\u9700\u7684\u9009\u9879
    \n13Timestamp request (obsolete)\u2014\u2014\u65f6\u95f4\u6233\u8bf7\u6c42\uff08\u4f5c\u5e9f\u4e0d\u7528\uff09
    \n14Timestamp reply (obsolete)\u2014\u2014\u65f6\u95f4\u6233\u5e94\u7b54\uff08\u4f5c\u5e9f\u4e0d\u7528\uff09
    \n15Information request (obsolete)\u2014\u2014\u4fe1\u606f\u8bf7\u6c42\uff08\u4f5c\u5e9f\u4e0d\u7528\uff09
    \n16Information reply (obsolete)\u2014\u2014\u4fe1\u606f\u5e94\u7b54\uff08\u4f5c\u5e9f\u4e0d\u7528\uff09
    \n17Address mask request\u2014\u2014\u5730\u5740\u63a9\u7801\u8bf7\u6c42
    \n18Address mask reply\u2014\u2014\u5730\u5740\u63a9\u7801\u5e94\u7b54<\/p>\n
    \u5b9e\u9a8c\u56db \u4f7f\u7528Wireshark\u5206\u6790UDP\u534f\u8bae<\/p>\n
    \u4e00\u3001\u5b9e\u9a8c\u76ee\u7684<\/p>\n
    \u5206\u6790UDP\u534f\u8bae<\/p>\n
    \u4e8c\u3001\u5b9e\u9a8c\u73af\u5883<\/p>\n
    \u4e0e\u56e0\u7279\u7f51\u8fde\u63a5\u7684\u8ba1\u7b97\u673a\uff0c\u64cd\u4f5c\u7cfb\u7edf\u4e3aWindows\uff0c\u5b89\u88c5\u6709Wireshark\u3001IE\u7b49\u8f6f\u4ef6\u3002<\/p>\n
    \u4e09\u3001\u5b9e\u9a8c\u6b65\u9aa4<\/p>\n
    UDP\u662fUser Datagram Protocol\uff08\u7528\u6237\u6570\u636e\u534f\u8bae\uff09\u7684\u7b80\u79f0\uff0c\u662f\u4e00\u79cd\u65e0\u8fde\u63a5\u7684\u534f\u8bae\uff0c\u8be5\u534f\u8bae\u5de5\u4f5c\u5728OSI\u6a21\u578b\u4e2d\u7684\u7b2c\u56db\u5c42\uff08\u4f20\u8f93\u5c42\uff09\uff0c\u5904\u4e8eIP\u534f\u8bae\u7684\u4e0a\u4e00\u5c42\u3002\u4f20\u8f93\u5c42\u7684\u529f\u80fd\u5c31\u662f\u5efa\u7acb\u201c\u7aef\u53e3\u5230\u7aef\u53e3\u201d\u7684\u901a\u4fe1\uff0cUDP\u63d0\u4f9b\u9762\u5411\u4e8b\u52a1\u7684\u7b80\u5355\u7684\u4e0d\u53ef\u9760\u4fe1\u606f\u4f20\u9001\u670d\u52a1\u3002<\/p>\n
    UDP\u534f\u8bae\u662f\u4e00\u79cd\u65e0\u8fde\u63a5\u7684\u534f\u8bae\uff0c\u8be5\u534f\u8bae\u7528\u6765\u652f\u6491\u90a3\u4e9b\u9700\u8981\u5728\u8ba1\u7b97\u673a\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u7684\u7f51\u7edc\u5e94\u7528\uff0c\u5305\u62ec\u7f51\u7edc\u89c6\u9891\u4f1a\u8bae\u7cfb\u7edf\u5728\u5185\u7684\u4f17\u591a\u5ba2\u6237\/\u670d\u52a1\u5668\u6a21\u5f0f\u7684\u7f51\u7edc\u5e94\u7528\u3002<\/p>\n
    UDP\u534f\u8bae\u7684\u4e3b\u8981\u5de5\u4f5c\u5c31\u662f\u5c06\u7f51\u7edc\u6570\u636e\u6d41\u91cf\u538b\u7f29\u6210\u6570\u636e\u5305\u7684\u5f62\u5f0f\u3002\u4e00\u4e2a\u7ecf\u5178\u7684\u6570\u636e\u5305\u5c31\u662f\u4e00\u4e2a\u4e8c\u8fdb\u5236\u6570\u636e\u7684\u4f20\u8f93\u5355\u4f4d\u3002\u6bcf\u4e00\u4e2a\u6570\u636e\u5305\u7684\u524d8\u5b57\u8282\u7528\u6765\u5305\u542b\u5305\u5934\u4fe1\u606f\uff0c\u5269\u4f59\u5b57\u8282\u5219\u7528\u6765\u5305\u542b\u5177\u4f53\u7684\u4f20\u8f93\u6570\u636e\u3002<\/p>\n
    1\u3001\u4fd8\u83b7\u548c\u5206\u6790UDP\u534f\u8bae<\/p>\n
    \uff081\uff09\u542f\u52a8Wireshark \u5206\u7ec4\u55c5\u63a2\u5668<\/p>\n
    \uff082\uff09\u542f\u52a8QQ\u8fdb\u884c\u804a\u5929<\/p>\n
    \uff083\uff09\u505c\u6b62\u5206\u7ec4\u4fd8\u83b7\uff0c\u8f93\u5165\u8fc7\u6ee4\u6761\u4ef6udp and ip.addr==14.29.40.234\uff0c\u83b7\u5f97UDP\u4e09\u6b21\u63e1\u624b\u7684\u62a5\u6587\uff0c\u5982\u4e0b\u56fe\u6240\u793a<\/p>\n
    \u6e90\u7aef\u53e3\u53f7\uff1a49363<\/p>\n
    \u76ee\u7684\u7aef\u53e3\u53f7\uff1a80<\/p>\n
    Sequence Number\uff1a\u53d1\u9001\u5e8f\u5217\u53f7<\/p>\n
    Acknowledgment Number\uff1a\u786e\u8ba4\u5e8f\u5217\u53f7<\/p>\n
    Flags: SYN-\u540c\u6b65\u5e8f\u5217\u53f7<\/p>\n
    Window size value\uff1a\u7a97\u53e3\u5927\u5c0f<\/p>\n
    Checksum\uff1a\u68c0\u9a8c\u548c<\/p>\n
    Urgent potiner\uff1a\u7d27\u6025\u6307\u9488<\/p>\n
    \uff084\uff09\u5206\u6790\u4e09\u6b21\u63e1\u624b<\/p>\n
    \u5b9e\u9a8c\u4e03 \u5229\u7528Wireshark\u5206\u6790\u534f\u8baeHTTP<\/p>\n
    \u4e00\u3001\u5b9e\u9a8c\u76ee\u7684<\/p>\n","protected":false},"excerpt":{"rendered":"
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