The ProxyAV best practices for SGOS 6.5.x is available here https://bto.bluecoat.com/doc/10766 . Refer to section 9 Configuration Best Practices.
To locate other versions of this document, do the following:
- Login into http://bto.bluecoat.com
- Select Documentation > ProxySG
- Select the specific version of SGOS you are interested in.
Locate the ProxySG/ProxyAV Integration Guide for that SGOS version.