In article <128dc2449%chris@cowdery.demon.co.uk>,
	Chris Cowdery <chris@cowdery.demon.co.uk> writes:
> Does the 1.4 RiscPC generic kernel contain the relevant bits to
> enable IP filtering and IP-NAT?

No, neither IP filter nor support for its LKM are compiled in
bye default.

> If not, can I just build my own kernel with it all switched on?

Yes, of course. Just uncomment this line:

#pseudo-device  ipfilter 1              # ip filter

-- 
Matthias Scheler                                http://home.owl.de/~tron/