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1、AC与radius认证报文分析1、完整的用户认证通过的报文：11:03:24.621585IP(tos0x0,ttl246,id15341,offset0,flagsDF,proto:UDP(17),length:44)221.176.1.140.43563211.143.26.66.2000:udpsumokUDP,length160x0000:4500002c3bed4000f6117bc5ddb0018c0x0010:d38f1a42aa2b07d0001837b301010000 -1、portal报文协议版本V12、portal server向AC设备发送请求报文0x0020:edc
2、800006f08eb2e00000000000011:03:24.624699IP(tos0x0,ttl64,id0,offset0,flagsDF,proto:UDP(17),length:62)211.143.26.66.2000221.176.1.140.43563:udpsumokUDP,length340x0000:4500003e0000400040116da1d38f1a420x0010:ddb0018c07d0aa2b002a8e6d01020000 -AC回复portal server报文0x0020:edc801566f08eb2e000000010312a4fd -这个
3、值我们经常说的Errcode报文值(也就是AC版本3042出现的问题，errcode为4，3045版本改为1)，00代表认证成功。0x0030:c027e0b3783afd89edaedb47202311:03:24.657048IP(tos0x0,ttl246,id15342,offset0,flagsDF,proto:UDP(17),length:75)221.176.1.140.43564211.143.26.66.2000:udpsumokUDP,length470x0000:4500004b3bee4000f6117ba5ddb0018c0x0010:d38f1a42aa2c07d0
4、0037be4501030000 -portal server向AC设备发送请求认证报文0x0020:edc901566f08eb2e00000002010d31330x0030:3937333437313039350412c858c240dd0x0040:8cdf542f6210cd87eaa99511:03:24.670339IP(tos0x0,ttl64,id0,offset0,flagsDF,proto:UDP(17),length:215)211.143.26.66.32922221.176.1.138.datametrics:udpsumokRADIUS,length:187Acc
5、essRequest(1),id:0xde,Authenticator:c867d51732134ea8b968b2adf29404b5VendorSpecificAttribute(26),length:14,Value:Vendor:Unknown(14559)VendorAttribute:8,Length:6,Value:1.0.120x0000:000038df0808312e302e3132UsernameAttribute(1),length:13,Value:139734710950x0000:3133393733343731303935NASIPAddressAttribut
6、e(4),length:6,Value:211.143.26.660x0000:d38f1a42FramedIPAddressAttribute(8),length:6,Value:111.8.235.460x0000:6f08eb2eNASIDAttribute(32),length:18,Value:00140746731004600x0000:30303134303734363733313030343630CallingStationAttribute(31),length:19,Value:00-11-6B-45-33-E90x0000:30302d31312d36422d34352d
7、33332d450x0010:39CalledStationAttribute(30),length:24,Value:00-1F-64-E1-56-B7:CMCC0x0000:30302d31462d36342d45312d35362d420x0010:373a434d4343NASPortAttribute(5),length:6,Value:20000x0000:000007d0NASPortIDAttribute(87),length:12,Value:02000000020x0000:30323030303030303032ServiceTypeAttribute(6),length
8、:6,Value:Login0x0000:00000001NASPortTypeAttribute(61),length:6,Value:Wireless-IEEE802.110x0000:00000013CHAPchallengeAttribute(60),length:18,Value:.x:.G#0x0000:a4fdc027e0b3783afd89edaedb472023CHAPPasswordAttribute(3),length:19,Value:0x0000:56c858c240dd8cdf542f6210cd87eaa90x0010:950x0000:450000d700004
9、00040116d0ad38f1a420x0010:ddb0018a809a066d00c30b7f01de00bb0x0020:c867d51732134ea8b968b2adf29404b50x0030:1a0e000038df0808312e302e3132010d0x0040:31333937333437313039350406d38f1a0x0050:4208066f08eb2e2012303031343037340x0060:3637333130303436301f1330302d31310x0070:2d36422d34352d33332d45391e1830300x0080:2
10、d31462d36342d45312d35362d42373a0x0090:434d43430506000007d0570c303230300x00a0:3030303030320606000000013d0600000x00b0:00133c12a4fdc027e0b3783afd89edae0x00c0:db472023031356c858c240dd8cdf542f0x00d0:6210cd87eaa99511:03:24.722442IP(tos0x0,ttl247,id62819,offset0,flagsDF,proto:UDP(17),length:148)221.176.1.1
11、38.datametrics211.143.26.66.32922:udpsumokRADIUS,length:120AccessAccept(2),id:0xde,Authenticator:5b3c4d47baaf5b802fa362f38d85a720ServiceTypeAttribute(6),length:6,Value:Framed0x0000:00000002FramedProtocolAttribute(7),length:6,Value:PPP0x0000:00000001SessionTimeoutAttribute(27),length:6,Value:08:00:00
12、hours0x0000:00007080VendorSpecificAttribute(26),length:10,Value:Vendor:Unknown(999)VendorAttribute:29,Length:2,Value:6M0x0000:000003e71d04364dReplyAttribute(18),length:72,Value:0;User(13973471095)AuthenticateOK,RequestA0x0000:303b55736572283133393733343731300x0010:3935292041757468656e7469636174650x0020:204f4b2c2052657175657374204163630x0030:657074206279206368696e616d6f62690x0040:6c652e636f6d0x0000:45000094f5634000f711c0e8ddb0018a0x0010:d38f1a42066d809a0080ed7702de00780x0020:5b3c4d47baaf5b802fa362f38d85a7200x0030:0606000000020706000000011b0600000x0040:70801a0a000003e71d04364d12
