Wireshark数据包分析之UDP协议包解读

UDP协议数据包首部格式

Wireshark数据包分析之UDP协议包解读

QQ登录时的OICQ_UDP协议数据包

Wireshark数据包分析之UDP协议包解读

User Datagram Protocol, Src Port: pda-gate (4012), Dst Port: irdmi (8000)
#UDP协议,源端口:4012端口, 目标端口:8000端口#
Source Port: pda-gate (4012) #源端口:4012端口#
Destination Port: irdmi (8000) #目标端口:8000端口#
Length: 47 #数据报文长度:47字节#
Checksum: 0xdb9c [validation disabled] #校验和:0xdb9c#

OICQ - IM software, popular in China
Flag: Oicq packet (0x02)
Version: 0x3709
Command: Request KEY (29)
Sequence: 10159
Data(OICQ Number,if sender is client): 2353485166 #QQ号码#
Data: \002

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转载自blog.51cto.com/13444271/2125340