SFTP stop after 20 sec

[jcpamart]

Hi, I have configure my 4002T with a 10Gb connexion with Free in France.
But now, when I connect to my NAS avery 20 seconds filezilla stop and force to restart.

Any idea ?

Thanks a lot

[orion]

That could be something changed in network configuration. Do you open related ports in your gateway and your ISP provider?

[jcpamart]

Seems I have choose 2222 port, it's look to be OK.....
Other ports don't react as the 2222....