TCP Connection Setup EXample 09:23:33.0423181P128.2.222.198.3123>192.216.219.96.80:s 4019802004:4019802004(0)win65535<mss1260,nop,nop, sackOK>(DF) 09:23:33.1183291P192.216.219.96.80>128.2.222.198.3123:s 3428951569:3428951569(0)ack4019802005win5840<mss 1460, nop, nop, sackOK> (DF) 09:23:33.1184051P128.2.222.198.3123>192.216.219.96.80 ack 3428951570win65535(DE) · Client sYn SeqC: Seg #4019802004, window 65535, max seg. 1260 · Server SYn-ACK+SYN Receive:#4019802005(=SeqC+1) SeqS: Seq #3428951569, window 5840, max. seg 1460 · Client sYn-ACK Receive:#3428951570(=Seqs+1) Lecture 18: TCP Details 66 Lecture 18: TCP Details TCP Connection Setup Example • Client SYN • SeqC: Seq. #4019802004, window 65535, max. seg. 1260 • Server SYN-ACK+SYN • Receive: #4019802005 (= SeqC+1) • SeqS: Seq. #3428951569, window 5840, max. seg. 1460 • Client SYN-ACK • Receive: #3428951570 (= SeqS+1) 09:23:33.042318 IP 128.2.222.198.3123 > 192.216.219.96.80: S 4019802004:4019802004(0) win 65535 <mss 1260,nop,nop,sackOK> (DF) 09:23:33.118329 IP 192.216.219.96.80 > 128.2.222.198.3123: S 3428951569:3428951569(0) ack 4019802005 win 5840 <mss 1460,nop,nop,sackOK> (DF) 09:23:33.118405 IP 128.2.222.198.3123 > 192.216.219.96.80: . ack 3428951570 win 65535 (DF)