From 4f3cfcc12b4a1ce78ad23b50f385e101152ede01 Mon Sep 17 00:00:00 2001
From: Andrew Thompson <thompsa@FreeBSD.org>
Date: Tue, 6 Sep 2005 22:38:40 +0000
Subject: [PATCH] Clarify that any firewall that has pfil(9) hooks can be used.

Suggested by:	sam
Approved by:	mlaier (mentor)
MFC after:	3 days
---
 share/man/man4/if_bridge.4 | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/share/man/man4/if_bridge.4 b/share/man/man4/if_bridge.4
index 0a8c624ab1b8..545e514a1fc1 100644
--- a/share/man/man4/if_bridge.4
+++ b/share/man/man4/if_bridge.4
@@ -80,6 +80,9 @@ The
 driver implements the IEEE 802.1D Spanning Tree protocol (STP).
 Spanning Tree is used to detect and remove loops in a network topology.
 .Pp
+Packet filtering can be used with any firewall package that hooks in via the
+.Xr pfil 9
+framework.
 When filtering is enabled, bridged packets will pass through the filter
 inbound on the originating interface, on the bridge interface and outbound on
 the appropriate interfaces.
@@ -171,7 +174,10 @@ ifconfig bridge0 \e
     up
 .Ed
 .Sh SEE ALSO
-.Xr ifconfig 8
+.Xr ifconfig 8 ,
+.Xr ipfw 4 ,
+.Xr ipf 4 ,
+.Xr pf 4
 .Sh HISTORY
 The
 .Nm