Useful Sun Java System information can be found at the following locations:
Documentation for Sun Java System Web Proxy Server 4.0.12
Sun Software Products and Service
Sun Developer Information
Sun Developer Support Services
Software Support Services
Sun Support and Training Services
Support: http://www.sun.com/support
Training: http://www.sun.com/training/
Sun Consulting and Professional Services
http://www.sun.com/service/sunjavasystem/sjsservicessuite.html