| // SPDX-License-Identifier: GPL-2.0 |
| |
| // Some TCP stacks send FINs even though the window is closed. We break |
| // a possible FIN/ACK loop by accepting the FIN. |
| |
| --mss=1000 |
| |
| `./defaults.sh` |
| |
| // Establish a connection. |
| +0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3 |
| +0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 |
| +0 setsockopt(3, SOL_SOCKET, SO_RCVBUF, [20000], 4) = 0 |
| +0 bind(3, ..., ...) = 0 |
| +0 listen(3, 1) = 0 |
| |
| +0 < S 0:0(0) win 32792 <mss 1000,nop,wscale 7> |
| +0 > S. 0:0(0) ack 1 <mss 1460,nop,wscale 0> |
| +0 < . 1:1(0) ack 1 win 257 |
| |
| +0 accept(3, ..., ...) = 4 |
| |
| +0 < P. 1:60001(60000) ack 1 win 257 |
| * > . 1:1(0) ack 60001 win 0 |
| |
| +0 < F. 60001:60001(0) ack 1 win 257 |
| +0 > . 1:1(0) ack 60002 win 0 |
