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Web Filter through Cisco VPN w/ Client IP Visibility ON

Web Filter VPN Cisco

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#1 Kevin Litman

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Posted 23 April 2012 - 10:49 AM

I have a question about filtering through a Cisco VPN. I found the instructions for setting this up, listed below. My question is about step 4, Turn off Client IP Visibility. I need this to stay on, can I still filter through a VPN while keeping this option ON?
  • Create a rule in your firewall blocking all port 80 traffic outbound.
  • Have that traffic re-directed to the Barracuda.
  • Then create a rule allowing all port 80 traffic coming from the Barracuda Web Filter specifically to be allowed.
  • Turn off the Client IP Visibility option on the Basic > IP Configuration (on 5.x firmware this is under the Expert Variables tab) page, effectively enabling the Barracuda as the source IP for all outbound packets. (this option is off by default)
  • Lastly, on Basic > IP Configuration set Enable proxy on WAN to Yes.


#2 Shawn Bater

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Posted 25 April 2012 - 11:06 AM

Hi Kevin,

To answer your question, no, client IP visibility must be off to filter VPN traffic with an inline deployment.

#3 Jody Gosnell

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Posted 30 January 2013 - 08:58 AM

There should be a way to add exemptions for the client visibility option. Say to always act as "off" for selected subnets.

#4 Duditts

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Posted 04 February 2013 - 03:33 PM

I too agree and urge both you and the original poster to post under feature requests.