ufw-open-port-for-ip-address

#!/usr/bin/env bash

# Update the ufw rules to allow access for the supplied IP address to the port specified below.
# If a rule already exists it will be deleted.
# This script was created to get round server restrictions when working at home without allowing open
# public access.

PORT=1433

ip=$1

if [ -z "$ip" ]; then
  echo "ip address wasn't supplied"
  exit 1
fi

# delete old rule
ufw --force delete $(sudo ufw status numbered | (grep 'Home' | awk -F"[][]" '{print $2}'))

ufw insert 5 allow from $ip to any port $PORT comment "Home"

echo "new rules ..."

ufw status numbered