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FTP proxy - Denied by ACLs

running UTM9 (9.304)

I have a NAT rule enabled to forward FTP traffic to an internal FTP server. It works, but  the connection is denied when I enable and configure the FTP proxy. 

This is what appears in the UTM logs:
2014:12:11-11:59:02 asg frox[20709]: Connect from x.x.x.x
2014:12:11-11:59:02 asg frox[20709]: ... to x.x.x.x()
2014:12:11-11:59:02 asg frox[20709]: Denied by ACLs.
2014:12:11-11:59:02 asg frox[20709]: Closing session

I have seen threads discussing this, but did not identify a clear resolution. What step(s) am I missing?


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  • Hi, and welcome to the User BB!

    The FTP Proxy is for internal clients accessing external servers, so I don't understand your question.  I'll just shotgun suggestions...

    Check #3 through #5 in Rulz.  To allow an internal client to access an internal server via a public IP, you need a Full NAT.

    Cheers - Bob