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Privoxy – non-caching web proxy

Privoxy (Privacy Enhancing Proxy) is a non-caching Web proxy with advanced filtering capabilities for enhancing privacy, modifying web page data and HTTP headers, controlling access, and removing ads and other obnoxious Internet junk.

Privoxy has a flexible configuration and can be customized to suit individual needs and tastes. It supports both stand-alone systems and multi-user networks.

Privoxy uses the concept of actions in order to manipulate the data stream between the browser and remote sites.

Key Features

  • Ad blocking.
  • Cookie management.
  • Supports “Connection: keep-alive”. Outgoing connections can be kept alive independently from the client.
  • Supports IPv6.
  • Tagging which allows to change the behaviour based on client and server headers.
  • Run as an “intercepting” proxy.
  • Sophisticated actions and filters for manipulating both server and client headers.
  • Can be chained with other proxies.
  • Integrated browser-based configuration and control utility. Browser-based tracing of rule and filter effects. Remote toggling.
  • Web page filtering (text replacements, removes banners based on size, invisible “web-bugs” and HTML annoyances, etc).
  • Modularized configuration that allows for standard settings and user settings to reside in separate files, so that installing updated actions files won’t overwrite individual user settings.
  • Support for Perl Compatible Regular Expressions in the configuration files, and a more sophisticated and flexible configuration syntax.
  • GIF de-animation.
  • Bypass many click-tracking scripts (avoids script redirection).
  • User-customizable HTML templates for most proxy-generated pages (e.g. “blocked” page).
  • Auto-detection and re-reading of config file changes.
  • Most features are controllable on a per-site or per-location basis.

Website: www.privoxy.org
Support: User Manual
Developer: Fabian Keil (lead developer), David Schmidt, and many other contributors
License: GNU General Public License v2.0

Privoxy is written in C. Learn C with our recommended free books and free tutorials.


Related Software

Content Control Software
E2guardianWeb content filter works in proxy, transparent or icap server modes
PrivoxyPrivacy Enhancing Proxy

Read our verdict in the software roundup.

Web Delivery Tools
Vinyl HTTP CacheWeb accelerator written with performance and flexibility in mind
SquidHigh-performance proxy caching server and web cache daemon
TinyproxyLightweight web proxy daemon
PrivoxyNon-caching Web proxy with advanced filtering capabilities
PolipoCaching HTTP proxy which has modest resource needs

Read our verdict in the software roundup.


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