Pearson, Andrew wrote: >Hi all, > >I have a small problem with my network, i wondered if anyone has any suggestions. >The problem lies with my IIS 5.0 server which is sitting behind a SmoothWall Firewall >box. >When I FTP to the server while on the inside of the network, I get a connection. And >when >I do a GET or a DIR then I recieve the proper response with a file or directory >listing... >Now, when I access the server from the outside of the network through smoothwall, I >still >get a connection to the server, but this time, whenever I try a DIR or GET, the >session >freezes and I have to kill it. >My initial guess is that Smoothwall is allowing a connection through port 21 (which >I've >allowed access), and I recieve the connection response. But the FTP server is then >switching ports >to 2500 or something similar for data transfer... which I cannot open on smoothwall >because >the port number changes... >Has anyone dealt with this before? I've searched on Google to no avail, and also >posted on the >Smoothwall IRC channel with no success either... > >Thanks. > >Andy. > > > >Andrew Pearson >Consultant >ADC Software Systems Division > > Have you tried passive ftp from the outside. This should solve the problem. It uses 21 for both control and data.
Kevin