A friend of mine has the router from my topic, and he wants to set up an ftp server, but he has to make rules for that in his router to allow this traffic, the only problem is when he does that it doesn't work for people like me who are trying to connect and are also behind a router. The main problem is, when he for example wants his server to run on port 3334 and he sets it up in there, I who am also behind a router can connect if I allow outbound port 3334 on his server IP, and it seems to be logging in and working, but right after logging in, it will go to,
[R] Opening data connection IP: 211.211.180.214 PORT: 55715
and thats where it goes wrong, cuz it doesn't stay on port 3334, and because it doesn't I cannot connect cuz I only allow port 3334 outbound in my router so I can connect to his server. I can log in and retry every time and every time, it will list a different data port,
[R] Opening data connection IP: 213.211.190.204 PORT: 6668
or
[R] Opening data connection IP: 213.211.190.204 PORT: 17551
etc etc etc
So in order for me to connect to his server successfully I would literally have to open every single port from 0-65535, and that certainly is not the way this should be done.
So the question is, how does he have to make these rules in his router in order for me to connect to port 3334, and 3334 alone. That data connection should stay on that port.
Regards,
Antiparadox
PS : Detailed explanation for his exact model and what he should do step by step is highly appreciated, person helping me in such a way to make it work gets full credit.
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Well my friend is the one hosting the ftp server(he's using Gene6) and the one with that linksys router, and I am the one trying to connect to his server. Should he disable passive mode from within his ftp server program or what? Also can he use AUTH SSL if he disables passive mode from within his ftp server program?
Nope still ain't working, getting a little further but now with passive disabled it says cannot list for (then it states my NAT ip)only lists to (and then it states my external internet IP).
So that server of his all of a sudden wants my external IP, but its getting my internal IP and it isn't accepting that.
FTP replies on random ports, normally in the area above 1000. Changing the default "listening" port may change that range to be higher. Does he have outgoing ports blocked above 1100? If so this may be the issue. No need to un-block incoming, except forwarding your listening FTP port.
Switching to Active mode may help this, but not sure due to the port range:
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by: weareitPosted on 2007-09-05 at 12:38:23ID: 19835138
What FTP software is he using? It sounds like passive mode is enabled.
-saige-