8.3. Transparent Proxy Deployment

Transparent deployment of a proxy relies on some network element (a switch or a router) to intercept all traffic from Web clients to Web servers and divert it to a proxy server instead of its actual destination. For this reason, proxies deployed in this manner are called interception proxies.[2] The network elements that intercept and divert packets to interception proxies are called intercepting elements or simply intercepters.

[2] Interception proxies are also referred to as transparent proxies. However, the HTTP 1.1 description uses the term transparency to mean semantic transparency (that is, referring to a proxy whose presence does not affect Web behavior semantically) rather than deployment transparency. ...

Get Web Caching and Replication now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.