#!/bin/bash

: ${user:=${1:-$USER}}
: ${host:=${2}}
: ${sshport:=${3:-22}}
: ${localport:=${4}}
: ${remoteport:=${5}}
: ${remotehost:=${6:-localhost}}

echo "Tunneling to ${remotehost} via ${user}@${host}:${sshport}  :  ${localport} --> ${remoteport}"
ssh -p${sshport} -N -L *:${localport}:${remotehost}:${remoteport} ${user}@${host}