[lwip-devel] [bug #26251] RST process in TIME_WAIT TCP state

[Simon Goldschmidt]

Follow-up Comment #7, bug #26251 (project lwip):

Given the last few comments, the new body of tcp_timewait_input() would be:

u16_t flags = TCPH_FLAGS(tcphdr);
/* RFC 1337: in TIME_WAIT, ignore RST and ACK FINs + any 'acceptable'
segments */
if (((flags & TCP_RST) == 0) && ((flags & TCP_FIN) || (tcplen > 0)))  {
  pcb->flags |= TF_ACK_NOW;
  return tcp_output(pcb);
}
return ERR_OK;


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