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X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=doc%2Fsource%2Ffaq.sgml;h=a1b3d2be5fa14b03ef368fc5aeb3cbc011a97ad8;hp=86f11e003fa625b6149c9de6abcdbff5d8684e7b;hb=b963216050e4d3fe044c2433cbf3600e84d1d8f7;hpb=11ef8a844ec09f395b7f69db0f90f71bc19c8a4f diff --git a/doc/source/faq.sgml b/doc/source/faq.sgml index 86f11e00..a1b3d2be 100644 --- a/doc/source/faq.sgml +++ b/doc/source/faq.sgml @@ -8,7 +8,7 @@ - + @@ -27,9 +27,9 @@ This file belongs into ijbswa.sourceforge.net:/home/groups/i/ij/ijbswa/htdocs/ - $Id: faq.sgml,v 2.118 2016/03/06 11:32:06 fabiankeil Exp $ + $Id: faq.sgml,v 2.135 2017/03/27 10:22:27 fabiankeil Exp $ - Copyright (C) 2001-2014 Privoxy Developers http://www.privoxy.org/ + Copyright (C) 2001-2014 Privoxy Developers https://www.privoxy.org/ See LICENSE. Based partially on the Internet Junkbuster FAQ originally written by and @@ -73,12 +73,12 @@ - Copyright &my-copy; 2001-2014 by - Privoxy Developers + Copyright &my-copy; 2001-2016 by + Privoxy Developers -$Id: faq.sgml,v 2.118 2016/03/06 11:32:06 fabiankeil Exp $ +$Id: faq.sgml,v 2.135 2017/03/27 10:22:27 fabiankeil Exp $ - - @@ -478,8 +475,8 @@ warranty? Registration? So first thing, subscribe to the Privoxy Users - or the Privoxy + url="https://lists.privoxy.org/mailman/listinfo/privoxy-users">Privoxy Users + or the Privoxy Developers mailing list, join the discussion, help out other users, provide general feedback or report problems you noticed. @@ -503,7 +500,7 @@ warranty? Registration? Would you like to donate? Donations are welcome. Our - TODO list + TODO list is rather long and being able to pay one (or more) developers to work on Privoxy would make a huge difference, even if it was only for a couple of weeks. Donations may also be used for Privoxy-related travel expenses (for example to attend conferences), @@ -512,11 +509,13 @@ warranty? Registration? Privoxy is an associated - project of Software + project of Software in the Public Interest (SPI), which allows us to receive - tax-deductible donations in the United States. If you want to donate through - SPI, please use SPI's donation page - to see what the options are. + tax-deductible donations in the United States. + You can donate via Paypal + and Click & Pledge. + For details, please have a look at + SPI's general donation page. @@ -549,7 +548,59 @@ warranty? Registration? public user mailing list or, if it's a private matter, to Fabian Keil (Privoxy's SPI liaison) directly. + + + @@ -701,9 +752,9 @@ All the ads are there. What's wrong? Privoxy is not running at all. Check the log file. For instructions on starting Privoxy and browser configuration, - see the chapter + see the chapter on starting Privoxy in the - User Manual. + User Manual. @@ -716,9 +767,9 @@ Privoxy is running and being used. First, make sure that Privoxy is really running and being used by visiting http://p.p/. You should see the Privoxy main page. If not, see - the chapter + the chapter on starting Privoxy in the - User Manual. + User Manual. @@ -830,15 +881,15 @@ the differences? Based on your feedback and the continuing development, updates of default.action will be made available from time to time on the files section of - our project page. + url="https://sourceforge.net/project/showfiles.php?group_id=11118">files section of + our project page. If you wish to receive an email notification whenever we release updates of Privoxy or the actions file, subscribe - to our announce mailing list, ijbswa-announce@lists.sourceforge.net. + url="https://lists.privoxy.org/mailman/listinfo/privoxy-announce">subscribe + to our announce mailing list, privoxy-announce@lists.privoxy.org. @@ -1036,7 +1087,7 @@ with a browser? Does that not raise security issues? If you intend to develop your own filters, you might want to have a look at Privoxy-Filter-Test. + url="https://www.fabiankeil.de/sourcecode/pft/">Privoxy-Filter-Test. @@ -1179,7 +1230,7 @@ on Win2K/NT/XP? Earlier ]]>3.x versions could run as a system service using srvany.exe. See the discussion at http://sourceforge.net/tracker/?func=detail&atid=361118&aid=485617&group_id=11118, + url="https://sourceforge.net/tracker/?func=detail&atid=361118&aid=485617&group_id=11118">https://sourceforge.net/tracker/?func=detail&atid=361118&aid=485617&group_id=11118, for details, and a sample configuration. @@ -1285,7 +1336,7 @@ and thus avoid individual browser configuration? For a good discussion of some of the issues involved (including privacy and security issues), see - http://sourceforge.net/tracker/?func=detail&atid=211118&aid=629518&group_id=11118. + https://sourceforge.net/tracker/?func=detail&atid=211118&aid=629518&group_id=11118. @@ -2003,6 +2054,20 @@ ads used to be. Why? + +Does Privoxy support HTTP/2? + + Privoxy currently doesn't parse HTTP/2 but applications + cann tunnel HTTP/2 through Privoxy if Privoxy is configured + to allow CONNECT requests (default) which are also used + for HTTPS. + + + Adding HTTP/2 support is on the TODO list but currently + nobody is known to work on it. + + + Privoxy runs as a <quote>server</quote>. How secure is it? Do I need to take any special precautions? @@ -2075,7 +2140,7 @@ out of the picture? My logs show Privoxy <quote>crunches</quote> ads, but also its own internal CGI pages. What is a <quote>crunch</quote>? - A crunch simply means Privoxy intercepted + A crunch means Privoxy intercepted something, nothing more. Often this is indeed ads or banners, but Privoxy uses the same mechanism for trapping requests for its own internal pages. For instance, a request for @@ -2246,7 +2311,7 @@ and related issues? Lately there have been reports of problems with some kind of "parental control" software based on Privoxy that came preinstalled on - certain ASUS Netbooks. + certain ASUS Netbooks. The problems described are inconsistent with the behaviour of official Privoxy versions, which suggests that the preinstalled software may contain vendor modifications that we don't know about and thus can't debug. @@ -2618,37 +2683,6 @@ every time I start IE. What gives? - - - -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. - - Chances are that the site suffers from a bug in - PHP, - which results in empty pages being sent if the client explicitly requests - an uncompressed page, like Privoxy does. - This bug has been fixed in PHP 4.2.3. - - - To find out if this is in fact the source of the problem, try adding - the site to a -prevent-compression section in - user.action: - - - # Make exceptions for ill-behaved sites: - # - {-prevent-compression} - .example.com - - 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). - - - My logs show many <quote>Unable to get my own hostname</quote> lines. Why? @@ -2714,7 +2748,7 @@ Why? Upgrading Privoxy, or going to the most recent default.action file available from SourceForge + url="https://sourceforge.net/project/showfiles.php?group_id=11118">SourceForge might be worth a try, too. @@ -2989,6 +3023,27 @@ browsing has slowed to a crawl. What gives? + +After adding my custom filters, &my-app; crashes when visitting certain websites + + 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. + + + Unless the problem occurs with the filters available in the default configuration, + this is not considered a Privoxy bug. + + + 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 + pcrestack man page + and the documentation of your operating system. + + +