Free ports 80 and 443 on Synology NAS

free_ports.sh

#! /bin/bash

# Save this script in one of your shares and schedule it to run as root at boot
#   through Control Panel -> Task Scheduler
# DSM upgrades will reset these changes, which is why we schedule them to happen automatically
# Set the variables below if you want to customise the ports which DSM will listen on instead
# NOTE: These ports are used for some services, e.g. Photo Station

HTTP_PORT=81
HTTPS_PORT=444

sed -i "s/^\( *listen .*\)80/\1$HTTP_PORT/" /usr/syno/share/nginx/*.mustache
sed -i "s/^\( *listen .*\)443/\1$HTTPS_PORT/" /usr/syno/share/nginx/*.mustache