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Old 03-13-2003, 01:46 PM   #1
Registered: Dec 2001
Location: Scotland
Distribution: Slackware 9.1/13.37/14 RedHat 6.2/7/EL6.5 SuSE 8.2/11.1
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Unhappy FTP and Firewall issues

I'm having a nightmare trying to get my FTP server up and running.

Any help would be greatly appreciated.

I'm running RH7, currently with no serious problems, I'm running apache, samba and a few other bits and pieces. I'm now using it mostly for back-up purposes and would like to make use of the FTP server from outside of my own small network.

The FTP server is wu-ftp ver wu-2.6.1(1)

I can use the FTP server, login, move files etc from within my own network, but as soon as I try to access the machine from outside of my Lan, the firewall steps in. I have setup a Firewall rule, to allow bi-directional transfer on both ports 20 and 21 but what I notice is that when I try to connect from a Windows machine, the block is made on ports 36000 and various other high ports.

I have tried setting the clients up to use Passive mode, but it does not make any differance.

What I have also noticed is that if I try to connect from another Linux/Unix enviroment, then all is fine, no blocks at all.

I simply don't wish to open up such a huge range of ports on my Firewall.

Thanks in advance...
Old 03-13-2003, 02:41 PM   #2
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Location: Atlantic City, NJ
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It sounds like this is a Windows-FTP-Client issue. Are you using a specific program for FTP from windows? Have you tried accessing your server from the good old DOS prompt:

Old 03-13-2003, 03:03 PM   #3
Registered: Dec 2001
Location: Scotland
Distribution: Slackware 9.1/13.37/14 RedHat 6.2/7/EL6.5 SuSE 8.2/11.1
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Get the same issues from the DOS prompt.

Also tried different FTP clients on my windows machines.


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