Re: Outbound RST not seen by tcpdump?

2009-09-24 Thread patrick keshishian
On Mon, Sep 21, 2009 at 12:49 AM, Ian Chard ian.ch...@ict.ox.ac.uk wrote: Janne Johansson wrote: Ian Chard wrote: I'm troubleshooting a very strange problem, where my ssh connection to a few different OpenBSD machines drops suddenly, with the client machine receiving a TCP RST from the

Re: Outbound RST not seen by tcpdump?

2009-09-21 Thread Janne Johansson
Ian Chard wrote: I'm troubleshooting a very strange problem, where my ssh connection to a few different OpenBSD machines drops suddenly, with the client machine receiving a TCP RST from the server. I've taken tcpdump captures on both sides (in different sessions, so the tcpdump process

Re: Outbound RST not seen by tcpdump?

2009-09-21 Thread Claudio Jeker
On Mon, Sep 21, 2009 at 09:44:34AM +0200, Janne Johansson wrote: Ian Chard wrote: I'm troubleshooting a very strange problem, where my ssh connection to a few different OpenBSD machines drops suddenly, with the client machine receiving a TCP RST from the server. I've taken tcpdump captures

Re: Outbound RST not seen by tcpdump?

2009-09-21 Thread Stuart Henderson
On 2009-09-21, Claudio Jeker cje...@diehard.n-r-g.com wrote: On Mon, Sep 21, 2009 at 09:44:34AM +0200, Janne Johansson wrote: Ian Chard wrote: I'm troubleshooting a very strange problem, where my ssh connection to a few different OpenBSD machines drops suddenly, with the client machine

Re: Outbound RST not seen by tcpdump?

2009-09-21 Thread Mike Shaw
I had a similar situation with an old PIX firewall. It wasn't SSH...this was HTTP but it was the same thing. The firewall was using a buggy IOS and was resetting connections whenever it felt like it. But only telling one side. This was on an internal DMZ'd network as wellno ISP. This was a

Outbound RST not seen by tcpdump?

2009-09-18 Thread Ian Chard
Hi, I'm troubleshooting a very strange problem, where my ssh connection to a few different OpenBSD machines drops suddenly, with the client machine receiving a TCP RST from the server. I've taken tcpdump captures on both sides (in different sessions, so the tcpdump process doesn't die with

Re: Outbound RST not seen by tcpdump?

2009-09-18 Thread Mike Small
Sorry for the dup, Ian. I meant to send to the list the first time. Ian Chard ian.ch...@ict.ox.ac.uk writes: Hi, I'm troubleshooting a very strange problem, where my ssh connection to a few different OpenBSD machines drops suddenly, with the client machine receiving a TCP RST from the