how statefull firewall works for udp?

Mike. the.lists at
Fri Jan 21 13:17:39 CST 2011

On 1/21/2011 at 9:39 PM Tarig Ahmed wrote:

|Dear All
|Default configuration for statefull firewall is to allow traffic form

|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)?
|I think understanding this will help me in the designing.

Here's one way it is done:

More information about the NANOG mailing list