RabbIT 3.6

RabbIT is a proxy for HTTP, it is HTTP/1.1 compliant (testing being done with Co-Advisors test, http://coad.measurement-factory.com/)

Developer:   Ernimril       more software by author → Price:  0.00 License:   BSD License File size:   783K Language:    OS:    Rating:   0 /5 (0 votes) Your vote:   enlarge screenshot

RabbIT is a proxy for HTTP, it is HTTP/1.1 compliant (testing being done with Co-Advisors test, http://coad.measurement-factory.com/) and should hopefully support the latest HTTP/x.x in the future. RabbIT's main goal is to speed up surfing over slow links by removing unnecessary parts (like background images) while still showing the page mostly like it is. For example, we try not to ruin the page layout completely when we remove unwanted advertising banners. The page may sometimes even look better after filtering as you get rid of pointless animated gif images.

Since filtering the pages is a "heavy" process, RabbIT caches the pages it filters but still tries to respect cache control headers and the old style "pragma: no-cache". RabbIT also accepts request for nonfiltered pages by prepending "noproxy" to the adress (like http://noproxy.www.altavista.com/). Optionally, a link to the unfiltered page can be inserted at the top of each page automatically.

RabbIT is developed and tested under Solaris and Linux. Since the whole package is written in java, the basic proxy should run on any plattform that supports java. Image processing is done by an external program and the recomended program is convert (found in ImageMagick). RabbIT can of course be run without image processing enabled, but then you lose a lot of the time savings it gives.

RabbIT works best if it is run on a computer with a fast link (typically your ISP). Since every large image is compressed before it is sent from the ISP to you, surfing becomes much faster at the price of some decrease in image quality. If some parts of the page are already cached by the proxy, the speedup will often be quite amazing. For 1275 random images only 22% (2974108 bytes out of a total of 13402112) were sent to the client. That is 17 minutes instead of 75 using 28.8 modem.

RabbIT works by modifying the pages you visit so that your browser never sees the advertising images, it only sees one fixed image tag (that image is cached in the browser the first time it is downloaded, so sequential requests for it is made from the browsers cache, giving a nice speedup). For images RabbIT fetches the image and run it through a processor giving a low quality jpeg instead of the animated gif-image. This image is very much smaller and download of it should be quick even over a slow link (modem).

Here are some key features of "RabbIT":

Compress text pages to gzip streams. This reduces size by up to 75%

Compress images to 10% jpeg. This reduces size by up to 95%

Remove advertising

Remove background images

Cache filtered pages and images

Uses keepalive if possible

Easy and powerful configuration

Multi threaded solution written in java

Modular and easily extended

Complete HTTP/1.1 compliance

What's New in This Release:

GZip handling has been rewritten and rabbit can now unpack, filter, and repack resources that are compressed.

It is now possible to configure the handlers of the same class differently.

A bug with file transfers that could cause rabbit to enter an infinite loop was fixed.
tags the page  the pages  from the  this reduces  reduces size  rabbit works  image processing  animated gif  and the  background images  rabbit can  

Download RabbIT 3.6

 http://www.khelekore.org/rabbit/RabbIT3-bin.tar.gz
 http://www.khelekore.org/rabbit/RabbIT3-src.tar.gz

Authors software

RabbIT 3.6 (by Ernimril) RabbIT is a proxy for HTTP, it is HTTP/1.1 compliant (testing being done with Co-Advisors test, http://coad.measurement-factory.com/)

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