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Add another parameter when watching traffic to external sites.

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This commit is contained in:
Andrew McMillan 2008-12-18 22:56:33 +13:00
parent 29ddf75541
commit 1f9b93b1c6
1 changed files with 4 additions and 1 deletions
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5
testing/watch-port-80.sh
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@ -2,6 +2,7 @@
PORT=${1:-"80"}
IFACE=${2:-"any"}
IP=${3:-""}
# Only include packets that contain data
NOTSYNFIN=" and (((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)"
@ -9,7 +10,9 @@ DUMP="tcp port ${PORT}"
IPCLAUSE=""
if [ "${IFACE}" != "any" ]; then
IP="`ip addr show dev ${IFACE} | grep ' inet ' | tr -s ' ' | cut -f3 -d' ' | cut -f1 -d'/'`"
if [ -z "${IP}" ]; then
IP="`ip addr show dev ${IFACE} | grep ' inet ' | tr -s ' ' | cut -f3 -d' ' | cut -f1 -d'/'`"
fi
IPCLAUSE=" and ((src host ${IP} and src port ${PORT}) or (dst host ${IP} and dst port ${PORT}))"
fi