For the SSH service that runs on a customized port, make sure the port is accessible. Only Synology Directory Server version 4.10.18-0300 requires port 49152.
Go to Network Center > Port Forwarding > Port Forwarding. · Click Create to open the setup window. · Specify the Name, Private IP address, Public port, Private ...
Below I invite you to discover all the ports used by your device for the various services it provides. This list from the official Synology webpage can help ...
You can set up port forwarding rules at Control Panel > External Access > Router Configuration to make your Synology NAS device accessible over ...