iptables has amnesia :-)

[Alexander Kirillov]

> Twice now, I've applied new rules using iptables -I... to accept 
> specific traffic, and each time those rules "disappeared" a little while 
> later...
> 
> Why are the new rules not remembered?

You probably have
IPTABLES_SAVE_ON_STOP="no"
IPTABLES_SAVE_ON_RESTART="no"
in /etc/sysconfig/iptables-config
and losing current rules on reboot/shutdown?

HTH,
Sasha