FTP behind the firewall doesn't work

Unanswered Question


I placed a ASA in front of FTP server.FTP server is running on win 2003 running with IIS6.Diffirent ftp ports being used for different sites.i.e port 21,35 n 36 under IIS.

Internally all working fine.

But from outside on publically natted IP the port 35 and 36 mapped sites are not opening up.21 is opening up perfectly fine.

One hittng 122.160.x.y:21 all is perfect

but hitting 122.160.x.y:35 it doesn't come up and gives error of 425.

FTP used is Passive mode.

Strangly Firebox allows everything to work on all port but not IE.

How can this be achieved as we can't use firefox.



I have this problem too.
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