Re: Change MTU for forwarded packets
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George Borisov wrote:
> Hello,
>
> Is there a way of forcing an MTU size for forwarded traffic on
> the firewall?
> I have tried playing with TCPMSS in iptables, but I haven't
> managed to get it to work.
>
This should work automatically afaik.
Is your firewall blocking some important ICMP messages like "fragmentation
needed"?
See man iptables (the section on TCPMSS)
hth,
- --
Martin Schuster <Martin.Schuster@centerpoint.eu.com>
CenterPoint http://www.centerpoint.eu.com/
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