FreeFileSync Forum

Suggested workaround: forward public port port 990 to internal port 21. It's the only way I could get FFS to work.



Hi simo,

I would appreciate it if you share how exactly you did the workaround on your computer, because I'm still struggling with this problem. Was it through Command ...

Recently implicit FTP through port 990 has regained popularity, at least in my area, as ISPs started to block port 21 by default.
They say it can be used for unencrypted communication (i.e. plain-text FTP), and therefore they're blocking it for everyone in order to mitigate the security risk ...

Hi simo,

Thanks for the workaround suggestion. Won't that be problematic for other programs in my computer which rely on implicit FTPS through port 990?

Recently implicit FTPS through port 990 has regained popularity, at least in my area, as ISPs started to block port 21 by default.
They say it can be used for unencrypted communication (i.e. plain-text FTP), and therefore they're blocking it for everyone in order to mitigate the security risk ...