The Natural Philosopher wrote:

On 20/10/2019 12:50, Bob Eager wrote:
On Sun, 20 Oct 2019 11:35:51 +0100, The Natural Philosopher wrote:

FTP uses port 21 and 22

No, it doesn't.

My bad. 20 and 21..

And commonly nowadays just port 21, to avoid firewall and NAT problems.
There is presumably a way of telling ftp servers you want this mode.

--

Roger Hayter