From: Filip Sneppe <filip.sneppe@cronos.be>
To: Michael Glaum <mglaum@kvh.com>
Cc: netfilter-devel@lists.netfilter.org
Subject: Re: mangle MSS via tcp_manip_pkt() in ip_nat_proto_tcp.c [patch]
Date: 18 Jul 2003 19:16:18 +0200 [thread overview]
Message-ID: <1058548579.616.2.camel@sloth> (raw)
In-Reply-To: <BE229ADC976AC343830DFF9BC159FAEB011E46AA@KUEXCHANGE.kvhinternal.kvhi>
On Fri, 2003-07-18 at 16:57, Michael Glaum wrote:
[...]
> I tried several things, e.g. pathMTU, etc but in view of severe time
> constraints I decided to HACK tcp_manip_pkt() in ip_nat_proto_tcp.c
> so that when it does source and destination address translation it also
> drops the MSS on outgoing and incoming packets to be below 1360. This
> appears to work. I didn't even bother to check if the packets had
> tcphdr->syn ==1 set.
>
> Please advise if there is a more elegant way to do this!
Hi Michael,
The easiest way to achieve your goal is to use the TCPMSS target
(that exists in the standard kernel for a long time now) to set
the MSS of the packets going out via the satellite link.
Regards,
Filip
next prev parent reply other threads:[~2003-07-18 17:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-18 14:57 mangle MSS via tcp_manip_pkt() in ip_nat_proto_tcp.c [patch] Michael Glaum
2003-07-18 17:16 ` Filip Sneppe [this message]
2003-07-25 20:50 ` Harald Welte
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