> Hi,
>
> Some quick testing reveals that 2.2.2-ac7 ignores ICMP host unreachable
> packets when *initiating* a TCP connection:
[...]
This (untested) patch should fix it.
--- linux/net/ipv4/tcp_ipv4.c-o Thu Mar 4 07:36:35 1999
+++ linux/net/ipv4/tcp_ipv4.c Thu Mar 4 19:56:39 1999
@@ -808,7 +808,7 @@
tp = &sk->tp_pinfo.af_tcp;
seq = ntohl(th->seq);
- if (sk->state != TCP_LISTEN && !between(seq, tp->snd_una, tp->snd_nxt)) {
+ if (sk->state != TCP_LISTEN && !between(seq, tp->snd_una, tp->snd_nxt+1)) {
net_statistics.OutOfWindowIcmps++;
return;
}
Does it fix the problem for you?
-Andi
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