13 Nov
2007
13 Nov
'07
8:05 a.m.
Hi,
* Juha Heinanen jh@tutpro.com [071113 08:51]:
Klaus Darilion writes:
Does NAT devices keep TCP bindings open for 20 minutes if there is no traffic?
yes, most nats have much longer tcp timeouts than udp timeouts.
... and there are also some routers and sysadmins without mentioning names that keep TCP timers to less then 30 seconds before they kill the tcp connection if it's idle.
- Atle
(who has bad experience with tcp keepalive above 30 seconds...)