From: Ramin Alidousti <ramin@cannon.eng.us.uu.net>
To: Maciej Soltysiak <solt@dns.toxicfilms.tv>
Cc: Antony Stone <Antony@Soft-Solutions.co.uk>, netfilter@lists.samba.org
Subject: Re: ssh
Date: Mon, 24 Jun 2002 09:56:30 -0400 [thread overview]
Message-ID: <20020624135630.GC26150@cannon.eng.us.uu.net> (raw)
In-Reply-To: <Pine.LNX.4.21.0206241544220.11832-100000@dns.toxicfilms.tv>
On Mon, Jun 24, 2002 at 03:47:49PM +0200, Maciej Soltysiak wrote:
> > 1. You can't. Netfilter / IPtables works by port number, not by content, so
> > you can only filter by port number.
> Hmm, maybe you could...
> Look:
> 1. look for a openingpacket with ssh connection characteristics, say a
> version string and mark packets, use recent module, put them to a
> seperate chain. something like that.
Yes. Very expensive though and not full-proof in case of fragments.
Ramin
> 2. filter by port number.
>
> What do you think?
>
> Maciej
>
next prev parent reply other threads:[~2002-06-24 13:56 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-24 12:23 ssh Daniel Sercaianu
2002-06-24 13:31 ` ssh Antony Stone
2002-06-24 13:47 ` ssh Maciej Soltysiak
2002-06-24 13:56 ` Ramin Alidousti [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-01-14 19:59 ssh Simpson, Doug
2003-01-14 21:28 ssh Simpson, Doug
2003-01-15 12:09 ` ssh Zander
2003-01-15 18:44 ` ssh MAB
2004-07-14 14:15 ssh IT Clown
2004-07-14 14:25 ` ssh Koyama Mituru
2004-07-14 15:26 ssh Piszcz, Justin Michael
2004-07-14 15:42 ` ssh Antony Stone
2004-07-14 15:57 ` ssh Koyama Mituru
2004-07-14 16:07 ` ssh Antony Stone
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