Access FTPS from behind Forefront TMG

Posted by Maxim V. Pavlov on Server Fault See other posts from Server Fault or by Maxim V. Pavlov
Published on 2011-09-29T09:51:43Z Indexed on 2012/03/22 5:32 UTC
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I have a web server on which IIS 7 host an SSL-enabled site.

The client in am trying to connect with is behind the corporate Forefront TMG. The app is Total Commander - a file manager shell, that has the ability to connect to SSL FTP by putting a checkmark over SSL/TLS in the FTP connection settings.

When FTP Access Filter in FF is enabled, my connection attempt fails on Negociating TLS step of FTP connection. The same happens even if I enable Allow Active FTP in the filter's settings.

But when I disable the FTP Access Filter on FF completely, I am able to connect fine.

How to configure FF TMG to allow FTPS?

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