How can I make the Anyconnect VPN sessions route to our internal web proxy?

[newtons-cisco]

                   We recently transitioned to the Anyconnect VPN client and need to configure our ASA 5550 so that remote access VPN traffic routes to our internal web proxy. The VPN traffic is terminated on the outside interface of the firewall and is not subject to any of the firewall rules or proxy filtering.

[Lemon Lime]

This may help you:

http://www.cisco.com/en/US/docs/security/wsa/wsa7.0/user_guide/AnyConnect_Secure_Mobility_SolutionGuide.pdf

Look at the paragraphs describing WSA and Proxys.

In my experience though the cost and time needed to implement solutions like this for remote users are excessive.  AnyConnect has websecurity modules which may better suit your purpose.