On Thu, August 2, 2007 11:16, Evgeniy Polyakov wrote: > On Thu, Aug 02, 2007 at 01:55:50PM +0400, Evgeniy Polyakov ([EMAIL > PROTECTED]) wrote: >> On Thu, Aug 02, 2007 at 09:19:06AM +0300, [EMAIL PROTECTED] ([EMAIL >> PROTECTED]) wrote: >> > 1186035057.207629 127.0.0.1 -> 127.0.0.1 TCP 50000 > smtp [SYN] >> > Seq=0 Len=0 >> > 1186035057.207632 127.0.0.1 -> 127.0.0.1 TCP smtp > 50000 [SYN, ACK] >> > Seq=0 Ack=1 Win=32792 Len=0 MSS=16396 >> > 1186035057.207666 127.0.0.1 -> 127.0.0.1 TCP 50000 > smtp [ACK] >> > Seq=1 Ack=1 Win=1500 Len=0 >> > 1186035057.207699 127.0.0.1 -> 127.0.0.1 SMTP Command: EHLO localhost >> > 1186035057.207718 127.0.0.1 -> 127.0.0.1 TCP smtp > 50000 [ACK] >> > Seq=1 Ack=17 Win=32792 Len=0 >> > 1186035057.207736 127.0.0.1 -> 127.0.0.1 TCP 50000 > smtp [RST] >> > Seq=17 Len=0 >> > 1186035057.223934 127.0.0.1 -> 127.0.0.1 TCP 33787 > 50000 [RST, >> > ACK] Seq=0 Ack=0 Win=32792 Len=0 >> > >> > Can someone please comment as to why, tcp stack sends rst packet from the >> > wrong source port in this situation. >> >> Besides the fact, that test applications do not run if started not as >> root, I got this: > > And it actually does not initializes a session, since tird line below > shows RST, but not ack. The same with sendmail smtp server (i.e. 25 port > like in your server) and unmodified client. > Please provide application which can trigger the issue and I will help > to debug this issue. If it will help you to debug client, I can run > tcpdump on public server (say 194.85.82.65, please tell me your source > address) to collect dumps. Current code does not trigger the issue on my > machines (and works not like was intended by you). Ugh, and code really > looks horrible... >
I just got multiple RSTs instead of a connection too. The second RST looks like it's from another connection - and a RST for a RST is wrong... -- Simon Arlott - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
