Hi Firewall Gurus

Recently I observed a very strange behaviour on Firewall 1 (4.1 SP5). 
With the command
'fw tab -t connections -u' the current state table is printed showing 
established connections
with source ip:port, dest. ip:port and the timeout value (curr. 
secs/total secs). The current timeout
for the ssh connection to the firewall itself is increased to the total 
of default 3600 seconds each time
a packet travels thru the open connection, whereas for other connections 
like for example telnet, it
doesn't increase the amount of remaining seconds on activity. Why ??

I decreased the default of 3600 seconds for the mentioned tcp timeout to 
1 min just for a test. I set
up a connection, waited for 60 seconds not generating any packet. It 
disappeared from the state table
as expected, so this connection should have been blocked. But 
nevertheless I succeeded to still
communicate thru this connection and it spot up again in the state 
table. Why ??

Thanks in advance for an answer ....


Cheers,
Phibo

   

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