What Does Internet Security and Acceleration Server (ISA Server) Mean?

An Internet security and acceleration server (ISA server) is a server that provides organizational firewall and Web cache solutions for Windows along with secure, fast and manageable Internet connectivity.ISA helps to implement an organization’s business security policy through its administrative tools, which help to regulate usage based on user group, application, destination, schedule and content criteria. Its extensible platform offers hardware redundancy and load balancing and enables efficient use of network resources through its sophisticated caching mechanisms.

Techopedia Explains Internet Security and Acceleration Server (ISA Server)

ISA server is a member of the .NET enterprise server. It comes in both a standard and enterprise edition. While the standard edition can be used as a stand-alone server (supporting up to four processors) for organizations with lesser access to the Internet, the enterprise edition is used for large-scale deployment due to its additional functionalities.ISA server uses the following technologies for its services: