Suricata

StreamTcpSetEvent(p, STREAM_EST_SYNACK_RESEND);

return -1;

break;

case TH_ACK:

case TH_ACK|TH_CWR:

case TH_ACK|TH_ECN:

case TH_ACK|TH_PUSH:

case TH_ACK|TH_PUSH|TH_ECN:

case TH_ACK|TH_PUSH|TH_ECN|TH_CWR:

case TH_ACK|TH_PUSH|TH_URG:

/* Urgent pointer size can be more than the payload size, as it tells

* the future coming data from the sender will be handled urgently

* until data of size equal to urgent offset has been processed