As far as I know, port 20 is where the file transfer takes place, while port 21 is where all the error checking and other stuff gets done. Whatever they do, you do need to forward both. Greg On Tue, Aug 20, 2002 at 09:50:13AM -0400, Janina Sajka wrote: > Recently I learned a bit about this. I don't recall which is which, just > that I needed to enable both ports 20 and 21. In the case of my firewall, > that was a matter of forwarding those ports appropriately. > On Tue, 20 Aug > 2002, Toby Fisher wrote: >
