allowing gif thru ipfw

Eric W. Bates ericx at ericx.net
Wed Feb 1 14:17:09 UTC 2012


On 2/1/2012 3:32 AM, Hajimu UMEMOTO wrote:
> Hi,

> ericx>  Am I even correct in assuming that my gif packets are being blocked?
>
> Are you trying to pass an IPv6 over IPv4 tunnel?  If so,
>
> 	$fwcmd add 00140 allow ip4 from $he_tun to me proto ipv6
> 	$fwcmd add 00141 allow ip4 from me to $he_tun proto ipv6
>
> should work for you.

Yes, I'm trying to tunnel in ipv6 from HE.

Really? I'm allowing ipv6 packets on the gif0 interface; but not on the 
lan interface simply because I assumed that like IPSec the encapsulated 
packets would not be seen as ipv6 on the ethernet interface?

> Sincerely,
>
> --
> Hajimu UMEMOTO @ Internet Mutual Aid Society Yokohama, Japan
> ume at mahoroba.org  ume@{,jp.}FreeBSD.org
> http://www.imasy.org/~ume/


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