视频信息 Packet Capture, Analysis, and Injection with Goby John Leonat GopherCon 2016 https://www.youtube.com/watch?v=APDnbmTKjgM 代码:https://github.com/gophercon/2016-talks/tree/master/JohnLeon-PacketCapturingWithGo博文:http://www.devdungeon.com/content/pa…
Tcpdump抓包分析过程 一.TCP连接建立(三次握手) 过程 客户端A,服务器B,初始序号seq,确认号ack 初始状态:B处于监听状态,A处于打开状态 A -> B : seq = x (A向B发送连接请求报文段,A进入同步发送状态SYN-SENT) B -> A : ack = x + 1,seq = y (B收到报文段,向A发送确认,B进入同步收到状态SYN-RCVD) A -> B : ack = y+1 (A收到B的确认后,再次确认,A进入连接状态ESTABLISHED…