Re: how can SSH damage settings?!?
From: Andy Furniss (firstname.lastname_at_dsl.pipex.com)
Date: 03/31/05
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- In reply to: Beowulf: "how can SSH damage settings?!?"
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Date: Thu, 31 Mar 2005 12:59:20 +0100
Beowulf wrote:
> When my brother tries using ssh to connect to my computer, it does not work
> for him (stalled command prompt, nothing happens, no connection) and the
> worst part is it then causes him to lose his internet connection. It messes
> up his WAN/router connection such that he has to go back into his router
> and set his connection type to PPPoe to regain WAN net access. I just can
> not fathom how issuing a ssh command (e.g. 'ssh 61.10.74.91') could do
> anything to affect one's internet (WAN) connection?!?!? How can this occur?
>
> We are both using Mandrake Linux 9.2. My system works just fine with ssh, I
> have sshd server running, and I can so an ssh to myself just fine, and I
> have done ssh to remote computers and from remote computers to my computer
> just fine.
>
>
I have heard of routers not passing ssh traffic because it sets the tos
bits on packets.
Your brother could clear them with an iptables rule and see if that helps.
iptables -A POSTROUTING -t mangle -j TOS --set-tos 0
What is the router?
Andy.
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