1// SPDX-License-Identifier: GPL-2.0 2// 3// Minimal active open. 4// First to close connection. 5 6`./defaults.sh` 7 8 0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 4 9 10 // Connect to server: active open: three-way handshake 11 +0...0 connect(4, ..., ...) = 0 12 +0 > S 0:0(0) <mss 1460,sackOK,TS val 0 ecr 0,nop,wscale 8> 13 +0 < S. 0:0(0) ack 1 win 65535 <mss 1460,sackOK,nop,nop,nop,wscale 7> 14 +0 > . 1:1(0) ack 1 15 16 // Send data 17 +0 send(4, ..., 1000, 0) = 1000 18 +0 > P. 1:1001(1000) ack 1 19 +0 < . 1:1(0) ack 1001 win 257 20 21 +0 close(4) = 0 22 +0 > F. 1001:1001(0) ack 1 23 +0 < F. 1:1(0) ack 1002 win 257 24 +0 > . 1002:1002(0) ack 2 25