tunnel ssh for remote connections (for all connections: 0.0.0.0)

create-tunnel.sh

#!/bin/bash
if [ "$#" -ne 1 ]
then
    echo "SERVER:RPORT:LPORT argument required"
    exit 1
fi

# parse parameters separated with ':' into bash array
PARAMS=(${1//:/ })
SERVER="${PARAMS[0]}"
RPORT="${PARAMS[1]}"
LPORT="${PARAMS[2]}"

if [ "$LPORT" == "" ]
then
    LPORT=$RPORT
fi
ssh -f $SERVER -L 0.0.0.0:$LPORT:$SERVER:$RPORT -N