X-Git-Url: http://www.privoxy.org/gitweb/?a=blobdiff_plain;f=doc%2Fsource%2Ffaq.sgml;h=daa64a389099f3df151ff02d481934d773bab8f4;hb=50637e984edb063e1ce42a4147a51ee4d35be501;hp=d8cb5e6d1cc5cc69d3f49ac95187db2511068166;hpb=0ce29fefc44f823723afde0cc6ca6d045b0e139f;p=privoxy.git diff --git a/doc/source/faq.sgml b/doc/source/faq.sgml index d8cb5e6d..daa64a38 100644 --- a/doc/source/faq.sgml +++ b/doc/source/faq.sgml @@ -24,7 +24,7 @@ This file belongs into ijbswa.sourceforge.net:/home/groups/i/ij/ijbswa/htdocs/ - $Id: faq.sgml,v 1.61.2.20 2002/09/26 01:22:45 hal9 Exp $ + $Id: faq.sgml,v 1.61.2.28 2003/03/18 19:37:21 oes Exp $ Copyright (C) 2001, 2002 Privoxy Developers See LICENSE. @@ -50,9 +50,12 @@ ======================================================================== NOTE: Please read developer-manual/documentation.html before touching - anything in this, or other Privoxy documentation. You have been warned! - Failure to abide by this rule will result in the revocation of your license to live a peaceful existence! + + Please we keep the info in this file as version independent as possible + so we only have to maintain one FAQ. Where significant changes are + made to Privoxy configuration, please note the change in such a way that + it makes sense to both users of older and newer versions. ======================================================================== @@ -72,7 +75,7 @@ -$Id: faq.sgml,v 1.61.2.20 2002/09/26 01:22:45 hal9 Exp $ +$Id: faq.sgml,v 1.61.2.28 2003/03/18 19:37:21 oes Exp $ There are several different <quote>actions</quote> files. What are the differences? @@ -624,143 +645,31 @@ the differences? What's the difference between the -<quote>Cautious</quote>, <quote>Medium</quote> and <quote>Radical</quote> defaults? +Cautious, Medium and Adventuresome defaults? - Configuring Privoxy is not entirely trivial. To help you get - started, we provide you with three different default action packages in - the web based actions file editor at Privoxy is not entirely trivial. To + help you get started, we provide you with three different default action + profiles in the web based actions file editor at http://config.privoxy.org/show-status. - The following table shows you, which of the most important features are enabled in each - configuration: + See the User + Manual for a list of actions, and how the default + profiles are set. - -Default Configurations - - - - - - - - Feature - Cautious - Intermadiate - Radical - - - - - - - - - - - - - - Ad-blocking by URL - yes - yes - yes - - - - Ad-filtering by size - yes - yes - yes - - - - GIF de-animation - no - yes - yes - - - - Referer forging - no - yes - yes - - - - Cookie handling - none - session-only - kill - - - - Pop-up killing - no - yes - yes - - - - Fast redirects - no - no - yes - - - - HTML taming - yes - yes - yes - - - - JavaScript taming - yes - yes - yes - - - - Web-bug killing - yes - yes - yes - - - - Fun text replacements - no - no - yes - - - - Image tag reordering - no - no - yes - - - - Ad-filtering by link - no - no - yes - - - - - -
- + Where the defaults are likely to break some sites, exceptions for known popular problem sites are included, but in - general, the more aggressive your default settings are, the more - exceptions you will have to make later. See the user manual for a more - deatiled discussion. + general, the more aggressive your default settings are, the more exceptions + you will have to make later. See the User Manual + for a more deatiled discussion. + + + + It should be noted that the Adventuresome profile (formerly known + as the Advanced profile) is not only more + aggressive, but also includes fun and, extreme usage of most of + Privoxy's features. Use at your own risk! @@ -1033,16 +942,13 @@ instead of the checkerboard image. Why and how do I get rid of this? on Win2K/NT? Yes, it can run as a system service using srvany.exe. - The only catch is that this will effectively disable the - Privoxy icon (and its menu!) in the taskbar. You can have - one or the other, but not both at this time :( + See the discussion at http://sourceforge.net/tracker/?func=detail&atid=361118&aid=485617&group_id=11118, + for details, and a sample configuration. - There is a pending feature request for this functionality. See the discussion - at http://sourceforge.net/tracker/?func=detail&atid=361118&aid=485617&group_id=11118, - for details, and a sample configuration. - + Version 3.0.1 fixes the problem where the icon and menu where not available + in the taskbar for this usage. @@ -1093,6 +999,63 @@ and thus avoid individual browser configuration? + +How can I configure <application>Privoxy</application> for use with <application>Outlook + Express</application>? + + Outlook Express uses Internet Explorer + components to both render HTML, and fetch any HTTP requests that may be embedded in an HTML email. + So however you have Privoxy configured to work + with IE, this configuration should automatically be shared. + + + + +How can I have separate rules just for HTML mail? + + The short answer is, you can't. Privoxy has no way + of knowing which particular application makes a request, so there is no way to + distinguish between web pages and HTML mail. + Privoxy just blindly proxies all requests. In the + case of Outlook Express (see above), OE uses + IE anyway, and there is no way for Privoxy to ever + be able to distinguish between them (nor could any other proxy type application for + that matter). + + + 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. + + + + +How can I allow permanent cookies for my trusted sites? + + + There are several actions that relate to cookies. The default behavior is to + allow only session cookies, which means the cookies only last + for the current browser session. This eliminates most kinds of abuse related + to cookies. But there may be cases where we want cookies to last. + + + To disable all cookie actions, so that cookies are allowed unrestricted, + both in and out, for example.com: + + + + { -crunch-incoming-cookies -crunch-outgoing-cookies -session-cookies-only -filter{content-cookies} } + .example.com + + + Place the above in user.action. Note some of these may + be off by default anyway, so this might be redundant, but there is no harm + being explicit in what you want to happen. user.action + includes an alias for this situation, called + allow-cookies. + + + @@ -1164,7 +1127,7 @@ delays in page requests compared to the old Junkbuster. What's wrong? This also makes for a good test for your browser configuration: If entering the URL http://config.privoxy.org/ - takes you to a page saying This is Privoxy.., everything is OK. + takes you to a page saying This is Privoxy ..., everything is OK. If you get a page saying Privoxy is not working instead, then your browser didn't use Privoxy for the request, hence it could not be intercepted, and you have accessed the real @@ -1236,7 +1199,7 @@ how to do that. Please note that you (technically) need the latest url="http://www.multiproxy.org/anon_list.htm">multiproxy.org and many more through Google. A particularly interesting project is the JAP service offered by the Technical University of Dresden (http://anon.inf.tu-dresden.de/index_en.html. + url="http://anon.inf.tu-dresden.de/index_en.html">http://anon.inf.tu-dresden.de/index_en.html). There is, however, even in the single-machine case the possibility to make the @@ -1495,19 +1458,29 @@ from a webserver? FTP server? Privoxy. If there is a match for a block pattern, it will still be blocked, and of course this is obvious. Filtering is - potentially more of a concern since the results are not always so obvious. + potentially more of a concern since the results are not always so obvious, + and the effects of filtering are there whether the file is simply viewed, or + downloaded. Privoxy knows the differences in files according to the Document Type as reported by the webserver. If this is reported accurately (e.g. application/zip for a zip archive), then Privoxy knows to ignore these where - appropriate. It is possible, however, that documents that are of an unknown - type (generally assumed to be text/plain) will be filtered, as - will those that might be incorrectly reported by the webserver. If such a - file is a downloaded file that is intended to be saved to disk, then any - content that might have been altered by filtering, will be saved too, for - these (probably very rare) cases. + appropriate. Privoxy filters html as well as plain text documents. Also, + documents that are of an unknown type (generally assumed to be + text/plain) will be filtered, as will those that might be + incorrectly reported by the webserver. If such a file is a downloaded file + that is intended to be saved to disk, then any content that might have been + altered by filtering, will be saved too, for these (probably very rare) + cases. + + + If you download text files, you probably do not want these to be filtered, + particularly if the content is source code since source code sometimes might + be mistaken for javascript. It is recommend to turn off filtering for + download sites (particularly if the content may be plain text files). + Privoxy does not do FTP at all, only HTTP @@ -1532,6 +1505,21 @@ and related issues? --> + +I've noticed that Privoxy changes <quote>Microsoft</quote> to +<quote>MicroSuck</quote>! Why are you manipulating my browsing? + + + We're not. The text substitutions that you are seeing are disabled + in the default configuration as shipped. You have either manually + activated the fun filter which + is clearly labeled Text replacements for subversive browsing + fun! or you have implicitly activated it by choosing the + Adventuresome profile in the web-based editor (formerly known + as the Advanced profile). + + + @@ -1739,28 +1727,44 @@ 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>. + shows only: ]]>. Without + Privoxy the page loads fine. - This is often the result of a webserver using - PHP that mishandles the request - Privoxy sends to not compress the content - (a PHP bug). + 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. - In a default configuration, Privoxy requests all - data be sent uncompressed. This is required for the page - filtering and other magic to work. In some rare cases, the browser and - webserver miscommunicate and the result is a totally blank page. The - suggested work around is to selectively turn off this feature for sites - that exhibit such behavior. Example section for user.action: + 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). + + + +Why am I getting a 503 Error (WSAECONNREFUSED) on every page? + + More than likely this is a problem with the network stack. ZoneAlarm has + been reported to cause this symptom -- even if not running. The solution is + to either fight the ZA configuration, or uninstall ZoneAlarm, and then find + something better behaved in its place. Other firewall type products may + cause similar type problems if not configured correctly. + +