how statefull firewall works for udp?

Fri Jan 21 19:50:35 UTC 2011

Hello,

> Default configuration for statefull firewall is to allow traffic form
> TRUST ZONE to UNTRUST ZONE.
>
> As I Know those device will use some feilds in the TCP Header.
>
> But, how the firewall will handle this policy for none TCP traffics
> (udp, icmp, and IPsec)?

http://lmgtfy.com/?q=+how+do+stateful+firewall+works+for+udp%3F

> I think understanding this will help me in the designing.

Kr,
Laurens