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Unauthorized Proxy Use Detected error

Colin Higgins
Level 2
Level 2

We have an ASA with Firepower managed by FMC

 

One of the networks connected to the ASA services wireless clients, and those clients connect through the ASA to a proxy server (IronPort) to get to the Internet. 

 

Since there is a base IPS policy and Access Control Policy, every time a client connects to the proxy server through the firewall, I get a warning

 

119:17:1 http_inspect: UNAUTHORIZED PROXY USE DETECTED

 

error

 

Is there any way to fine-tune this, or turn it off? It is a false-positive, and it is filling up my mailbox.

 

 

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