Hi Gambit
I have had feedback from my user and he is happy now that passive mode has
been set.
I also implemented Post_Message instead of Synchronize as you suggested.
Barry
"Remy Lebeau (TeamB)" <no.spam@no.spam.com> wrote in message
news:471d0272$2@newsgroups.borland.com...
>
> "Barry" <barry_morris@nospam.btinternet.com> wrote in message
> news:471cf3c2$1@newsgroups.borland.com...
>
>> How do you make sure the command channel is not dropped
>
> You don't. Not reliably, anyway. There simply is nothing in the FTP spec
> that allows for keeping the command connection from becoming idle during a
> transfer. Some client apps do allow NOOPs or other commands to be sent,
> but that is not standard behavior. Also, not all firewalls/routers are
> FTP-aware enough to recognize a transfer is in progress, either.
>
>> by sending NOOP when I detect a stall? Is it okay to do this
>> during an upload?
>
> Some servers do support that, but most do not. Besides, the idling is not
> happening at the server level. The server knows which connections belong
> to which clients and will not idle out the command connection. The idling
> is happening at the router/firewall level outside of the server's control.
>
>
> Gambit
