1. Technology
You can opt-out at any time. Please refer to our privacy policy for contact information.

Circuit-Level Gateway


Definition: A circuit-level gateway is a type of firewall. All internal computers establish a "circuit" with the proxy server. The proxy server performs all communications with the Internet. External computers only see the IP address of the proxy server and never communicate directly with the internal clients.

©2014 About.com. All rights reserved.