Re: NetBSD packet filter

[email protected] (Michael van Elst)
Newsgroups gmane.os.netbsd.devel.network
Organization Serpens User Group
Message-ID <[email protected]> 
[email protected] (S Cole) writes:

>I don't know how feasible these would be with npf, but mac-address
>filtering

npf is created as an IP filter and can only intercept IP packets,
so it has no idea about MAC addresses or other protocols.


>and user/uid (login id) or group/gid filtering would be nice
>to have.

That would be rather simple, by tagging packets on the socket
layer and making npf aware of the tags. I'm not sure how costly
that would be though.
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