On August 10, 2004 04:24 pm, Meszaros Gergely wrote: > Thank you ! It wooorks ! > > That clamp-mss magic worked for me, so I consider myself lucky. ^^ > > > iptables -I FORWARD -i $INTERNAL_IF -p tcp --syn -j TCPMSS > > --clamp-mss-to-pmtu > > Great! > > If it would be in the mangle table, i would dare to say i understand what > it does, but this case ... how can it send a larger packet in a smaller > one? magic :) > > I tried Anthony's mangle version also but something must be missing here to > make it work: iptables -t mangle -A POSTROUTING -o EXTIF -j TCPMSS > --clamp-mss-to-mtu iptables v1.2.9: Unknown arg `--clamp-mss-to-mtu' > Mabbe modules? Or I misspelled it? Nope, we're missing a p there iptables -t mangle -A POSTROUTING -O ${EXTINF} -j TCPMSS --clamp-mss-to-pmtu whoopsy. Alistair > > However it works, so i'm happy. > Thank you very much both of you, gurus ! :) > If you come to Budapest, you are my guest for a beer ! > > 1 MonK