<!entity history SYSTEM "history.sgml">
<!entity copyright SYSTEM "copyright.sgml">
<!entity license SYSTEM "license.sgml">
-<!entity p-version "3.0.25">
+<!entity p-version "3.0.27">
<!entity p-status "UNRELEASED">
<!entity % p-not-stable "INCLUDE">
<!entity % p-stable "IGNORE">
This file belongs into
ijbswa.sourceforge.net:/home/groups/i/ij/ijbswa/htdocs/
- $Id: faq.sgml,v 2.120 2016/04/09 10:23:54 fabiankeil Exp $
-
- Copyright (C) 2001-2014 Privoxy Developers https://www.privoxy.org/
+ Copyright (C) 2001-2018 Privoxy Developers https://www.privoxy.org/
See LICENSE.
Based partially on the Internet Junkbuster FAQ originally written by and
<subscript>
<!-- Completely the wrong markup, but very little is allowed -->
<!-- in this part of an article. FIXME -->
- <link linkend="copyright">Copyright</link> &my-copy; 2001-2014 by
+ <link linkend="copyright">Copyright</link> &my-copy; 2001-2018 by
<ulink url="https://www.privoxy.org/">Privoxy Developers</ulink>
</subscript>
</pubdate>
-<pubdate>$Id: faq.sgml,v 2.120 2016/04/09 10:23:54 fabiankeil Exp $</pubdate>
+<pubdate>$Id: faq.sgml,v 2.135 2017/03/27 10:22:27 fabiankeil Exp $</pubdate>
<!--
contact the developers.
</para>
-<!-- <para> -->
-<!-- Feel free to send a note to the developers at <email>ijbswa-developers@lists.sourceforge.net</email>. -->
-<!-- </para> -->
</abstract>
</artheader>
</para>
<para>
So first thing, subscribe to the <ulink
- url="https://lists.sourceforge.net/lists/listinfo/ijbswa-users">Privoxy Users</ulink>
- or the <ulink url="https://lists.sourceforge.net/lists/listinfo/ijbswa-developers">Privoxy
+ url="https://lists.privoxy.org/mailman/listinfo/privoxy-users">Privoxy Users</ulink>
+ or the <ulink url="https://lists.privoxy.org/mailman/listinfo/privoxy-devel">Privoxy
Developers</ulink> mailing list, join the discussion, help out other users, provide general
feedback or report problems you noticed.
</para>
<para>
<application>Privoxy</application> is an associated
- project of <ulink url="http://www.spi-inc.org/">Software
+ project of <ulink url="https://www.spi-inc.org/">Software
in the Public Interest (SPI)</ulink>, which allows us to receive
- tax-deductible donations in the United States. If you want to donate through
- SPI, please use <ulink url="http://www.spi-inc.org/donations">SPI's donation page</ulink>
- to see what the options are.
+ tax-deductible donations in the United States.
+ You can <ulink url="https://www.spi-inc.org/projects/privoxy/">donate via Paypal</ulink>
+ and <ulink url="https://co.clickandpledge.com/advanced/default.aspx?wid=34115">Click & Pledge</ulink>.
+ For details, please have a look at
+ <ulink url="https://www.spi-inc.org/donations">SPI's general donation page</ulink>.
</para>
<para>
public user mailing list or, if it's a private matter, to
<ulink url="mailto:fk@fabiankeil.de">Fabian Keil</ulink> (Privoxy's SPI liaison)
directly.
+</para>
</sect3>
+</sect2>
+<sect2 id="sponsor"><title>How can I become a sponsor and get my logo or link on privoxy.org?</title>
+<para>
+ We are currently offering the following sponsor levels as an experiment:
+</para>
+<variablelist>
+ <varlistentry>
+ <term>Gold (10000 EUR/year)</term>
+ <listitem>
+ <para>
+ Logo shown at the bottom of the
+ <ulink url="https://www.privoxy.org/">Privoxy homepage</ulink>.
+ Logo, link and self description on the
+ <ulink url="https://www.privoxy.org/sponsors/">sponsor page</ulink>.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Silver (1000 EUR/year)</term>
+ <listitem>
+ <para>
+ Logo shown randomly at the bottom of the
+ <ulink url="https://www.privoxy.org/">Privoxy homepage</ulink>.
+ Logo, link and self description on the
+ <ulink url="https://www.privoxy.org/sponsors/">sponsor page</ulink>.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Bronze (500 EUR/year)</term>
+ <listitem>
+ <para>
+ Logo and link on the <ulink url="https://www.privoxy.org/sponsors/">sponsor page</ulink>.
+ </para>
+ </listitem>
+ </varlistentry>
+</variablelist>
+<para>
+ The logo sizes depend on the sponsor level. Logos are served from
+ our server, no requests are made to the sponsor website unless
+ the links are being used.
+</para>
+<para>
+ The details may change over time but changes will only affect new sponsors
+ (or existing sponsors that explicitly agreed to the changes).
+</para>
+<para>
+ If you want to become a sponsor, please contact
+ <ulink url="mailto:fk@fabiankeil.de">Fabian Keil</ulink>.
+ New sponsors are only accepted if no developer objects.
+</para>
</sect2>
<para>
If you wish to receive an email notification whenever we release updates of
<application>Privoxy</application> or the actions file, <ulink
- url="https://lists.sourceforge.net/lists/listinfo/ijbswa-announce/">subscribe
- to our announce mailing list</ulink>, ijbswa-announce@lists.sourceforge.net.
+ url="https://lists.privoxy.org/mailman/listinfo/privoxy-announce">subscribe
+ to our announce mailing list</ulink>, privoxy-announce@lists.privoxy.org.
</para>
</sect2>
</sect2>
+<sect2 renderas="sect3" id="http2">
+<title>Does Privoxy support HTTP/2?</title>
+<para>
+ Privoxy currently doesn't parse HTTP/2 but applications
+ can tunnel HTTP/2 through Privoxy if Privoxy is configured
+ to allow CONNECT requests (default) which are also used
+ for HTTPS.
+</para>
+<para>
+ Adding HTTP/2 support is on the TODO list but currently
+ nobody is known to work on it.
+</para>
+</sect2>
+
<sect2 renderas="sect3" id="secure">
<title>Privoxy runs as a <quote>server</quote>. How
secure is it? Do I need to take any special precautions?</title>
<title>My logs show Privoxy <quote>crunches</quote>
ads, but also its own internal CGI pages. What is a <quote>crunch</quote>?</title>
<para>
- A <quote>crunch</quote> simply means <application>Privoxy</application> intercepted
+ A <quote>crunch</quote> means <application>Privoxy</application> intercepted
<emphasis>something</emphasis>, nothing more. Often this is indeed ads or
banners, but <application>Privoxy</application> uses the same mechanism for
trapping requests for its own internal pages. For instance, a request for
</para>
</sect2>
-<!-- ~~~~~ New section ~~~~~ -->
-<!-- XXX: Is this still relevant now that we have gzip support? -->
-<sect2 renderas="sect3" id="blankpage">
-<title>I get a completely blank page at one site. <quote>View Source</quote>
- shows only: <markup><![CDATA[<html><body></body></html>]]></markup>. Without
- Privoxy the page loads fine.</title>
- <para>
- Chances are that the site suffers from a bug in
- <ulink url="http://www.php.net/"><application>PHP</application></ulink>,
- which results in empty pages being sent if the client explicitly requests
- an uncompressed page, like <application>Privoxy</application> does.
- This bug has been fixed in PHP 4.2.3.
- </para>
- <para>
- To find out if this is in fact the source of the problem, try adding
- the site to a <literal>-prevent-compression</literal> section in
- <filename>user.action</filename>:
- </para>
- <screen>
- # Make exceptions for ill-behaved sites:
- #
- {-prevent-compression}
- .example.com</screen>
- <para>
- If that works, you may also want to report the problem to the
- site's webmasters, telling them to use zlib.output_compression
- instead of ob_gzhandler in their PHP applications (workaround)
- or upgrade to PHP 4.2.3 or later (fix).
- </para>
-</sect2>
-
<sect2 renderas="sect3" id="nohostname">
<title>My logs show many <quote>Unable to get my own hostname</quote> lines.
Why?</title>
</para>
</sect2>
+<sect2 renderas="sect3" id="pcre-stack-limit">
+<title>After adding my custom filters, &my-app; crashes when visitting certain websites</title>
+<para>
+ This can happen if your custom filters require more memory than &my-app;
+ is allowed to use.
+ Usually the problem is that the operating system enforces a stack size limit
+ that isn't sufficient.
+</para>
+<para>
+ Unless the problem occurs with the filters available in the default configuration,
+ this is not considered a Privoxy bug.
+</para>
+<para>
+ To prevent the crashes you can rewrite your filter to use less ressources,
+ increase the relevant memory limit or recompile pcre to use less stack space.
+ For details please see the
+ <ulink url="http://pcre.org/original/doc/html/pcrestack.html">pcrestack man page</ulink>
+ and the documentation of your operating system.
+</para>
+</sect2>
+
</sect1>
<!-- ~~~~~ New section ~~~~~ -->