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ISA Firewall and FTP

November 30, 2012

Many of you might be having problems with ftp (state Nessus scan upload) and ISA. This is a definite issue in ISA 2004. You may login into an ftp site successfully, but then receive an error or just not upload. The windows error looks like this.

This is an easy fix. First Login into your ISA box and open up your firewall policy. Select your main "Internet Access" rule.

Go to the properties of this rule and select the Protocols tab. Click the Filtering button at the bottom right and select Configure FTP.

You will notice that you have only one choice here. Uncheck Read Only. You will notice by the description under this checkbox why your ftp uploads were not working.

OK…click OK, OK, Don't forget to APPLY the changes that you made in Firewall Policy.

Happy uploading! (Jeff Madlock)

ISA Firewall and FTP

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