IPv6 and IPFW

S

Steije

Hi,

What is the best way to firewall IPv6 traffic using IPFW? I'd like to have just one ruleset (and not using ip6fw aswell). Are there any options I have to build my kernel with to enable this? Is there a page describing this in detail (the man pages aren't very clear on this issue).

Thanks in advance!
 
If you are running FreeBSD 8.0 (possibly 7.3), then there is only 1 IPFW, that supports both IPv4 and IPv6. ipfw and ip6fw have been merged together.

Just specify the protocol (ip for ipv4 and ipv6, ip4 for just ipv4, ip6 for just ipv6; same logic for tcp/tcp4/tcp6 and udp/idp4/udp6, etc) and use the correct syntax for addresses, and you'll be fine with a single ruleset.
 
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