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Question regarding certificates generated by Astaro...

Shaun Raven

Hi,

I've published my exchange server through UTM successfully. 

Sometimes my users will get an outlook error regarding an untrusted certificate if they connect/disconnct a VPN session.  That certificate has the following netscape comment...

 

"Generated by Astaro HTTP Proxy"

 

Can anyone tell me why this might happen?



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  • 0 in reply to sachingurung

    I'm happy with my Exchange publishing.  My users are currently using outlook from both outside and inside the office with no problems.

    The ONLY time I see this is when a user is connected to Exchange, either via the internet or via VPN to the company.  If the user either connects or disconnects from a VPN session to the company through UTM, THEN the message MAY be displayed.  The users are connecting through UTM using standard microsoft L2TP VPN connections

    I can't shake the idea that this happens because of a change of connection.  If an outlook client is connected via the external publishing, and then the user Initiates a VPN connection, the traffic flow changes from standard to tunneled - maybe it becomes subject to the HTTPS detection at that point?  Same thing happens in reverse when the connection drops.  At those points, would UTM supply it's own certificate rather than the one in the publishing rule?