Re: AW: Some webpages inaccessible through IPTables

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Hey great
it now, although kind of slow on these pages, works. Thanks alot.
Any recommendet readings on that MTU-stuff?


On Sat, 8 Feb 2003 17:06:57 +0100, "Alexander Noack"
<alex@aiesec.wiwi.uni-rostock.de> said:
> Hi Sven,
> 
> > The sites are accessible from the gateway itself so it's
> > not an MTU issue. What else could it be?
> 
> Well then it IS most likely an MTU issue
> 
> > I use an iptables-gateway 1.2.6a on debian with
> > kernel 2.4.18 with just
> >
> > echo 1 > /proc/.../ip_forward
> > and iptables --table at -A POSTROUTING -j MASQUERADE
> 
> put a line like
> 
> iptables -I FORWARD -p tcp -d ! $your_internal_net --tcp-flags SYN,RST
> SYN -j TCPMSS --clamp-mss-to-pmtu
> 
> in your forward chain (you need to have that TCPMSS target compiled in
> your kernel).
> You could also go and change the MTU on each client...
> 
> Ciao,
> Alex
> 
> 
-- 
  Sven Bolt
  sven_bolt@fastmail.fm

-- 
http://fastmail.fm - I mean, what is it about a decent email service?


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