Overview of Proxy Servers (RP)

•A reverse proxy is a Software, Service or even device placed between a client and a server in a network infrastructure. Incoming requests are handled by the proxy, which interacts on behalf of the client with the desired server or  service residing on the server. (Apache, Nginx, Squid, ISA 2006, TMG 2010, IAG 2007, UAG, IBM WebSeal)

•Act primarily on behalf of internal hosts receiving, rebuilding, and forwarding outbound requests

•Goes by many names

–Proxy services

–Application-level gateways

–Application proxies

–Web Application Firewall (WAF)

Advantages of Proxy Servers (RP) 

•Caching

•Intelligent compression

•Traffic management services such as Application Layer Security (WAF), 

•Web Acceleration (XML accelerator)

•Secure Remote Access.

•SSL Acceleration & SSL Off Loading

•Load Balancing give us scalability and availability.

•Strategic point in the network to enable / implement / enforce:

•Web application security through WAF

•Application delivery firewalls

•Deep content inspection to mitigate data leaks

•IDM SSO Solution

•Federated security services for multiple applications