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Ziproxy

the HTTP traffic compressor

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Ziproxy 3.3.2 released

2021-03-19

Only bugfixes related to compilation issues:

Corrected -fnocommon compilation issues in OpenBSD.
Added compatibility with giflib 5+ API changes.




Ziproxy 3.3.1 released

2014-12-03

Fixed stdndup-related compilation error.




Ziproxy 3.3.0 released

2013-01-06

Added option to remove alpha channel after a specified average opacity threshold.
New option: AlphaRemovalMinAvgOpacity




Ziproxy 3.2.1 released

2012-02-08

This version fixes compilation problems with the newer libpng 1.5.x.




Ziproxy 3.2.0 released

2010-09-07

This version brings SASL support, licensing update to reflect the new licensing terms of legacy code (in practice GPL restrictions prevail, though) and some polishing.

New features:

  • Changed HTTP authentication code to a modular one.
  • Added SASL support for HTTP authentication.

Bugfixes/changes:

  • Fixed Nameservers-related code which prevented compilation in certain OSes/arch compinations (ex.: glibc+gcc+ARM).
  • Nameservers support may be enable/disabled at compilation time.




Legacy Ziproxy 1.3d_r2 release

2010-08-21

An old version of Ziproxy, version 1.3d, was released as 1.3d_r2 under a 2-clause BSD license and is available for anyone interested (check the download section).
Ziproxy 1.3d was the last version developed by the former maintainer, Juraj Variny, who agreed to make his code available under this new licensing terms.

The pertinent public announcement e-mail follows:

[Ziproxy-users] Ziproxy license change
From: Juraj Variny <xxxxxx@xxxxxxxxx>
To: [email protected]
Date: 21-08-2010 06:38:25
   
Hello ziproxy users and developers,

following announcement is result of agreement between me and Daniel
Mealha Cabrita and it means that my code in ziproxy is now dual
licensed under both GPL and NetBSD licenses, for everyone. If you
don't know what it means, it will not affect you.

I hereby testify that ziproxy-1.3d, released at 2004-09-30, contains
only source code and documentation written by me and source code
previously in public domain, without exception. I am re-releasing
ziproxy-1.3d under NetBSD 2-clause BSD license, under these terms:

 * Copyright (c) Juraj Variny, 2004
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * THIS SOFTWARE IS PROVIDED BY JURAJ VARINY
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.

Best regards,

Juraj Variny




New website

2010-08-01

The previous website was rather clumsy and, frankly, it scared even the cockroaches.
This new design is easier to the eyes and, hopefully, it provides better usability.
If any bugs are found, please inform.




Ziproxy 3.1.3 released

2010-07-17

Bugfixes only:

  • Fixed non-POSIX behavior which brought problems with eglibc.
  • Fixed Safari HTTP authentication problem.




Older posts?

In order to access the older posts, click here.

Ziproxy is hosted at
SourceForge.net Logo

What is Ziproxy?

Ziproxy is a forwarding (non-caching) compressing HTTP proxy server.
Basically, it squeezes images by converting them to lower quality JPEGs or JPEG 2000 and compresses (gzip) HTML and other text-like data.
It also provides other features such as: HTML/JS/CSS optimization, preemptive hostname resolution, transparent proxying, IP ToS marking (QoS), Ad-Blocker, detailed logging and more.

Ziproxy does not require a client software and provides acceleration for any web browser, any operating system.

Ziproxy is available as a free (FOSS) software under the GNU GPL (version 2 or higher) license.

Screenshots


example of web compression


original image
vs standard JPEG
vs JPEG 2000



example of customized error


example of output by log tools

Tutorials


using Ziproxy - typical setups


WAN accelerator with Ziproxy


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