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#!/bin/bash
host=localhost
port=5039
if [ "$1" != "" ]; then
host=$1
port=5038
fi;
while true
do
BACKUP_EXT=$(date +%y%m%d%h%m%s)
if [[ -f outgoing.log ]]; then
cp outgoing.log outgoing.log.$BACKUP_EXT
fi
if [[ -f incoming.log ]]; then
cp incoming.log incoming.log.$BACKUP_EXT
fi
rm pipe
mkfifo pipe
echo "Listening on localhost:$port"
echo "Capture incoming and outgoing traffic from $host:5038"
nc -l -p $port < pipe | tee outgoing.log | nc $host 5038 | tee pipe incoming.log
done
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