From 0732c60bb286c24dd3db567f80a4515ad0a0dcea Mon Sep 17 00:00:00 2001
From: Andrew McMillan <debian@mcmillan.net.nz>
Date: Mon, 5 Nov 2007 22:58:01 +1300
Subject: [PATCH] Allow the interface to be specified.

---
 testing/watch-port-80.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/testing/watch-port-80.sh b/testing/watch-port-80.sh
index a479496c..f57925f6 100755
--- a/testing/watch-port-80.sh
+++ b/testing/watch-port-80.sh
@@ -1,5 +1,6 @@
 #!/bin/sh
 
 PORT=${1:-"80"}
+IFACE=${2:-"any"}
 
-sudo tcpdump -i any -s0 -l -n -q -A "tcp port ${PORT} and (((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)"
+sudo tcpdump -i $IFACE -s0 -l -n -q -A "tcp port ${PORT} and (((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)"