On Thursday 18 September 2008 11:21:19 CHERICHEŞ Emil wrote:
> WAW!. Pur şi simplu funcţionează (sună cam prosteşte)
> Bun. şi acuma cum elimin sursa problemei? Există vreo altă rezolvare
> mai la obiect?
Citat din "man iptables":
TCPMSS
This target allows to alter the MSS value of TCP SYN packets, to
control the maximum size for that connection (usually limiting it to your
outgoing interface's MTU minus 40). Of course, it can only be used in
conjunction with -p tcp.
It is only valid in the mangle table.
This target is used to overcome criminally braindead ISPs or servers
which block ICMP Fragmentation Needed packets.
The symptoms of this problem are that everything works fine from your
Linux firewall/router, but machines behind it can never exchange large
packets:
1) Web browsers connect, then hang with no data received.
2) Small mail works fine, but large emails hang.
3) ssh works fine, but scp hangs after initial handshaking.
Workaround: activate this option and add a rule to your firewall
configuration like:
iptables -t mangle -A FORWARD -p tcp --tcp-flags SYN,RST SYN \
-j TCPMSS --clamp-mss-to-pmtu
> Emil
--
Serghei.
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