Describing non-standard techniques usually implemented by vendors in order to multiplex generic protocols (SOCKS-based techniques, HTTP encapsulation and PPP/SSL encapsulation) in a single tunnel, and how they bypass Firewalls (CONNECT HTTP method) to achieve this objective. Describing demonstrations of tools (ssldump, httptunnel etc.) used to understand SSL VPN internals. (30 min)
Context & Dates
Talk presented during Upperside SSL VPN Conference 2005, on
7 April 2005.