[Cordula's Web]

>        I would like to know where i can find the list of RFCs supported in the TCP/IP stack of FreeBSD 4.9 release.
> Can you help me get the info?

It may be more helpful if you asked wether FreeBSD's TCP/IP
stack implemented RFC <xyz> or not. Do you have something
special in mind?

Generally speaking, FreeBSD's TCP/IP stack is very complete
and one of the most standards compliant implementation known
today.

Cheers.

-- 
Cordula's Web. http://www.cordula.ws/