Ftp programming

[Guest]

hi everybody
I'm developping a tool to get a list of files from a FTP server, I use TcpClient to sends and receives commands on port 21, get a list of file on PasV port. My tool run crrectly on LAN, but when run on Internet, I can't open connection on PasV port (because of firewall), but other FTP clients are run correctly

Please help me to code my tool that connect as other FTP clients
Thank you very much

 

[Chad Z. Hower aka Kudzu]

I'm developping a tool to get a list of files from a FTP server, I use
TcpClient to sends and receives commands on port 21, get a list of file
on PasV port. My tool run crrectly on LAN, but when run on Internet, I

FTP is not a trivial protocol. In fact its one of the more complex ones to
implement.

can't open connection on PasV port (because of firewall), but other FTP
clients are run correctly.

Passive is designed for firewalls. Are you sure you dont have your
terminology mixed up?

Please help me to code my tool that connect as other FTP clients.

Try Indy - its free.

http://www.indyproject.org/