FreeFileSync Forum

Well you know I am not entirely sure that that is the problem now. I will come back if and when I figure out what is interfering with the connection.

I did try the IPv4 address directly and it still didn't like it, so it's unclear now. Also I checked with test-ipv6.com and the remote was all clear ...

Well the Synology DDNS is beyond my control and works fine for other routes so that's probably not the best solution. It could be redone through another provider like freedns.afraid.org I know and like, but I'm not sure about if you can turn off ipv6 there either.

The Tunnel is bad because all the ...

Hi I wanted to explain my situation and recommend a solution.
I setup SFTP with a Synology NAS so it uses SSH ultimately. Typically port 22 but I am connecting remotely to said backup server in a consumer home connection so I have to use alternate port that's fine.
Routing through a couple not the ...