#!/bin/sh
# Mac OS X NAT script - shut down natd and remove firewall rules added by startnat
# Must be run as root, e.g. "sudo stopnat en0"

if [ $# -ne 1 ]; then
    cat 1>&2 <<EOF
Usage: $0 <interface>
EOF
    exit 1
fi

INTERFACE=$1

sysctl -w net.inet.ip.forwarding=0
killall natd
# Deleting this way doesn't seem to work, so we delete by rule number instead
#ipfw delete divert natd ip from any to any via "$INTERFACE"
#ipfw delete pass all from any to any
ipfw delete 14201
ipfw delete 14202
