Re: winsock and FTP app

Tech-Archive recommends: Fix windows errors by optimizing your registry

Ok, so I got some things sorted out, but I'm still having trouble opening the data connection. Here's some more info:

wsCommand
 .RemotePort = 21
 .RemoteHost = xxxxxxx.ca '(This connection works)
 .LocalPort = 0

wsData
 .RemotePort = 20
 .RemoteHost = xxxxxxx.ca '(Same as wsCommand)
 .LocalPort = yy

I set yy to the PORT command port number, eg: 192,168,55,111,4,42 is
4 * 256 + 42 = 1066

So I connect, user xxx, pass xxx, port 192,168,55,111,4,42

Everything up to here is ok. What should I be doing in my code after I send the PORT command?

PS Oddly enough I got this much farther by looking in the MS Windows Help files. Shhh, don't tell anyone. ;)

Paul

Paul E Mak wrote:
I'm trying to write an app that will dump the contents of a memory card (whole drive) to a root account on an ftp server. I have a basic ftp program working except for the data connection. Now I don't know how (MS) ftp.exe seems to get my PORT number, (because I'm behind a firewall), but it does and LIST, GET, PUT, etc all work fine. In my app, I can't get LIST, STOR, RETR etc working because I can't get the data connection set up correctly. I'm assuming it's because I don't have the right PORT number. So the question is, how can I get my WAN IP from within VB6, (the LOCALIP just gives me my LAN IP) for the PORT command to use? The alternate question is, am I looking at the wrong thing/what else am I doing wrong?

Paul


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