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bridge changes traffic interface for pf, but not for tcpdump
- To: misc_(_at_)_openbsd_(_dot_)_org, sparc_(_at_)_openbsd_(_dot_)_org
- Subject: bridge changes traffic interface for pf, but not for tcpdump
- From: Jim Fron <j-fron_(_dot_)_q_(_dot_)_public_(_at_)_comcast_(_dot_)_net>
- Date: Thu, 24 Feb 2005 20:36:18 -0500
Okay, here's the deal: when I bridge two interfaces, one of which has
an IP address, traffic from nodes on one side to the other passes
through pf just fine, all rules matching properly. Traffic TO the
OpenBSD system itself hits pf rules for "in" on "le2," and "out" on
"le0" regardless of which physical interface the traffic actually
Perhaps I'm the only person who has ever experienced this, or else, I'm
the only one who has cared. I can't find anything by googling, and
I've either stumped -- or, more likely, bored -- anyone listening.
Thus, it's time for me to hit the source code myself. I've checked out
-stable. I'm ready to go, I just don't know where to start. With
bridge0 down, traffic matches rules for the proper interfaces, with
bridge0 up, pf sees it on the wrong interfaces...
Is if_bridge.c the right place to start? Any other suggestions?
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