HREF="general.html"><LINK
REL="STYLESHEET"
TYPE="text/css"
-HREF="../p_doc.css"></HEAD
+HREF="../p_doc.css"><META
+HTTP-EQUIV="Content-Type"
+CONTENT="text/html;
+charset=ISO-8859-1"></HEAD
><BODY
CLASS="ARTICLE"
BGCOLOR="#EEEEEE"
> <A
HREF="copyright.html"
>Copyright</A
-> © 2001-2007 by
+> © 2001-2018 by
<A
-HREF="http://www.privoxy.org/"
+HREF="https://www.privoxy.org/"
TARGET="_top"
>Privoxy Developers</A
>
><BR></P
><P
CLASS="PUBDATE"
->$Id: faq.sgml,v 2.33 2007/11/15 03:30:20 hal9 Exp $<BR></P
+>$Id: faq.sgml,v 2.135 2017/03/27 10:22:27 fabiankeil Exp $<BR></P
><DIV
><DIV
CLASS="ABSTRACT"
NAME="AEN9"
></A
><P
-> This FAQ gives quick answers to frequently asked questions about
+> This FAQ gives quick answers to frequently asked questions about
<A
-HREF="http://www.privoxy.org/"
+HREF="https://www.privoxy.org/"
TARGET="_top"
>Privoxy</A
>.
- It is not a substitute for the
+ It is not a substitute for the
<A
HREF="../user-manual/index.html"
TARGET="_top"
>Privoxy User Manual</I
></A
>.
-
</P
><P
>What is Privoxy?</P
><P
-> Privoxy is a non-caching
- <A
-HREF="http://en.wikipedia.org/wiki/Proxy_server"
+> Privoxy is a non-caching web proxy with advanced filtering capabilities
+ for enhancing privacy, modifying web page data and HTTP headers, controlling
+ access, and removing ads and other obnoxious Internet junk. Privoxy has a
+ flexible configuration and can be customized to suit individual needs and tastes.
+ It has application for both stand-alone systems and multi-user networks.</P
+><P
+> Privoxy is Free Software and licensed under the GNU GPLv2.</P
+><P
+> Privoxy is an associated project of Software in the Public Interest (SPI).</P
+><P
+> Helping hands and donations are welcome:
+ <P
+></P
+><UL
+><LI
+><P
+> <A
+HREF="https://www.privoxy.org/faq/general.html#PARTICIPATE"
TARGET="_top"
->web proxy</A
+>https://www.privoxy.org/faq/general.html#PARTICIPATE</A
>
- with advanced filtering capabilities for enhancing privacy,
- modifying web page data, managing HTTP
- <A
-HREF="http://en.wikipedia.org/wiki/Browser_cookie"
-TARGET="_top"
->cookies</A
->,
- controlling access, and removing ads, banners, pop-ups and other obnoxious
- Internet junk. Privoxy has a flexible configuration and can be
- customized to suit individual needs and tastes. Privoxy has application for
- both stand-alone systems and multi-user networks.</P
+ </P
+></LI
+><LI
><P
-> Privoxy is based on Internet Junkbuster (tm).</P
+> <A
+HREF="https://www.privoxy.org/faq/general.html#DONATE"
+TARGET="_top"
+>https://www.privoxy.org/faq/general.html#DONATE</A
+>
+ </P
+></LI
+></UL
+></P
><P
> Please note that this document is a work in progress. This copy represents
- the state at the release of version 3.0.7.
+ the state at the release of version 3.0.27.
You can find the latest version of the document at <A
-HREF="http://www.privoxy.org/faq/"
+HREF="https://www.privoxy.org/faq/"
TARGET="_top"
->http://www.privoxy.org/faq/</A
+>https://www.privoxy.org/faq/</A
>.
Please see the <A
HREF="contact.html"
>Contact section</A
> if you want to
- contact the developers.
+ contact the developers.
</P
><P
></P
><DT
>1.1. <A
HREF="general.html#WHO-USES"
->Who should use Privoxy?</A
+>Who should give <SPAN
+CLASS="APPLICATION"
+>Privoxy</SPAN
+> a try?</A
></DT
><DT
>1.2. <A
><DT
>1.5. <A
HREF="general.html#NEWJB"
->What is this new version of
+>What is this new version of
<SPAN
CLASS="QUOTE"
>"Junkbuster"</SPAN
></DT
><DT
>1.6. <A
-HREF="general.html#AEN78"
+HREF="general.html#WHYPRIVOXY"
>Why <SPAN
CLASS="QUOTE"
>"Privoxy"</SPAN
><DT
>1.8. <A
HREF="general.html#WHATSANAD"
->How does Privoxy know what is
-an ad, and what is not?</A
+>How does Privoxy know what is an ad, and what is not?</A
></DT
><DT
>1.9. <A
-HREF="general.html#AEN150"
->Can Privoxy make mistakes?
+HREF="general.html#MISTAKES"
+>Can Privoxy make mistakes?
This does not sound very scientific.</A
></DT
><DT
>1.10. <A
-HREF="general.html#AEN156"
+HREF="general.html#CONFIGORNOT"
>Will I have to configure Privoxy
before I can use it?</A
></DT
><DT
>1.14. <A
HREF="general.html#LICENSE"
->Is there is a license or fee? What about a
+>Is there is a license or fee? What about a
warranty? Registration?</A
></DT
><DT
></DT
><DT
>1.17. <A
-HREF="general.html#JOINTEAM"
+HREF="general.html#HELP-THE-DEVELOPERS"
>I would like to help you, what can I do?</A
></DT
><DD
><DL
><DT
>1.17.1. <A
-HREF="general.html#JOINTEAM-WORK"
+HREF="general.html#PARTICIPATE"
>Would you like to participate?</A
></DT
><DT
>1.17.2. <A
-HREF="general.html#JOINTEAM-MONEY"
->Contribute!</A
-></DT
-><DT
->1.17.3. <A
-HREF="general.html#JOINTEAM-SOFTWARE"
->Software</A
+HREF="general.html#DONATE"
+>Would you like to donate?</A
></DT
></DL
></DD
+><DT
+>1.18. <A
+HREF="general.html#SPONSOR"
+>How can I become a sponsor and get my logo or link on privoxy.org?</A
+></DT
></DL
></DD
><DT
><DT
>2.4. <A
HREF="installation.html#FIRSTSTEP"
->I just installed Privoxy. Is there anything
+>I just installed Privoxy. Is there anything
special I have to do now?</A
></DT
><DT
><DL
><DT
>3.1. <A
-HREF="configuration.html#AEN335"
+HREF="configuration.html#ACTIONSFILE"
>What exactly is an <SPAN
CLASS="QUOTE"
>"actions"</SPAN
>The <SPAN
CLASS="QUOTE"
>"actions"</SPAN
-> concept confuses me. Please list
+> concept confuses me. Please list
some of these <SPAN
CLASS="QUOTE"
>"actions"</SPAN
></DT
><DT
>3.3. <A
-HREF="configuration.html#AEN358"
+HREF="configuration.html#ACTCONFIG"
>How are actions files configured? What is the easiest
way to do this?</A
></DT
><DT
>3.4. <A
-HREF="configuration.html#AEN367"
+HREF="configuration.html#AEN419"
>There are several different <SPAN
CLASS="QUOTE"
>"actions"</SPAN
><DT
>3.10. <A
HREF="configuration.html#BROWSECONFIG"
->Why can I change the configuration
+>Why can I change the configuration
with a browser? Does that not raise security issues?</A
></DT
><DT
>3.11. <A
-HREF="configuration.html#AEN465"
+HREF="configuration.html#FILTERFILE"
>What is the <TT
CLASS="FILENAME"
>default.filter</TT
><DT
>3.12. <A
HREF="configuration.html#LANCONFIG"
->How can I set up Privoxy to act as a proxy for my
+>How can I set up Privoxy to act as a proxy for my
LAN?</A
></DT
><DT
>3.13. <A
-HREF="configuration.html#AEN512"
+HREF="configuration.html#NOSEEUM"
>Instead of ads, now I get a checkerboard pattern. I don't want to see anything.</A
></DT
><DT
>3.14. <A
-HREF="configuration.html#AEN529"
+HREF="configuration.html#WHYSEEUM"
>Why would anybody want to see a checkerboard pattern?</A
></DT
><DT
>3.15. <A
-HREF="configuration.html#AEN535"
+HREF="configuration.html#BLOCKEDBYTEXT"
>I see some images being replaced with text
instead of the checkerboard image. Why and how do I get rid of this?</A
></DT
><DT
>3.16. <A
HREF="configuration.html#SRVANY"
->Can Privoxy run as a service
+>Can Privoxy run as a service
on Win2K/NT/XP?</A
></DT
><DT
>3.17. <A
HREF="configuration.html#OTHERPROXY"
->How can I make Privoxy work with other
-proxies like Squid or Tor?</A
+>How can I make Privoxy work with other proxies?</A
></DT
><DT
>3.18. <A
><DT
>3.21. <A
HREF="configuration.html#OUTLOOK"
->How can I configure Privoxy for use with Outlook
- Express?</A
+>How can I configure Privoxy for use with Outlook?</A
></DT
><DT
>3.22. <A
><DT
>3.29. <A
HREF="configuration.html#TEMPLATES"
->How can I have custom template pages, like the
+>How can I have custom template pages, like the
<SPAN
CLASS="emphasis"
><I
>How can I remove the <SPAN
CLASS="QUOTE"
>"Go There Anyway"</SPAN
-> link from
+> link from
the <SPAN
CLASS="emphasis"
><I
><DL
><DT
>4.1. <A
-HREF="misc.html#AEN707"
->How much does Privoxy slow my browsing down? This
+HREF="misc.html#SLOWSME"
+>How much does Privoxy slow my browsing down? This
has to add extra time to browsing.</A
></DT
><DT
><DT
>4.5. <A
HREF="misc.html#NEWADS2"
->If I do submit missed ads, will
+>If I do submit missed ads, will
they be included in future updates?</A
></DT
><DT
>4.6. <A
HREF="misc.html#NOONECARES"
->Why doesn't anyone answer my support
+>Why doesn't anyone answer my support
request?</A
></DT
><DT
></DT
><DT
>4.8. <A
-HREF="misc.html#AEN773"
+HREF="misc.html#ANONFORSURE"
>Can Privoxy guarantee I am anonymous?</A
></DT
><DT
>4.9. <A
-HREF="misc.html#AEN791"
+HREF="misc.html#PROXYTEST"
>A test site says I am not using a Proxy.</A
></DT
><DT
></DT
><DT
>4.11. <A
-HREF="misc.html#AEN847"
+HREF="misc.html#SITEBREAK"
>Might some things break because header information or
content is being altered?</A
></DT
><DT
>4.12. <A
-HREF="misc.html#AEN861"
+HREF="misc.html#CACHING"
>Can Privoxy act as a <SPAN
CLASS="QUOTE"
>"caching"</SPAN
-> proxy to
+> proxy to
speed up web browsing?</A
></DT
><DT
>4.13. <A
-HREF="misc.html#AEN871"
+HREF="misc.html#FIREWALL"
>What about as a firewall? Can Privoxy protect me?</A
></DT
><DT
>4.14. <A
-HREF="misc.html#AEN876"
+HREF="misc.html#WASTED"
>I have large empty spaces / a checkerboard pattern now where
ads used to be. Why?</A
></DT
><DT
>4.15. <A
-HREF="misc.html#AEN884"
+HREF="misc.html#SSL"
>How can Privoxy filter Secure (HTTPS) URLs?</A
></DT
><DT
>4.16. <A
-HREF="misc.html#AEN898"
+HREF="misc.html#HTTP2"
+>Does Privoxy support HTTP/2?</A
+></DT
+><DT
+>4.17. <A
+HREF="misc.html#SECURE"
>Privoxy runs as a <SPAN
CLASS="QUOTE"
>"server"</SPAN
->. How
+>. How
secure is it? Do I need to take any special precautions?</A
></DT
><DT
HREF="misc.html#TURNOFF"
->How can I temporarily disable Privoxy?</A
+>Can I temporarily disable Privoxy?</A
></DT
><DT
HREF="misc.html#REALLYOFF"
>When <SPAN
CLASS="QUOTE"
>"disabled"</SPAN
-> is Privoxy totally
+> is Privoxy totally
out of the picture?</A
></DT
><DT
HREF="misc.html#TURNOFF2"
>How can I tell Privoxy to totally ignore certain sites?</A
></DT
><DT
HREF="misc.html#CRUNCH"
>My logs show Privoxy <SPAN
CLASS="QUOTE"
>"crunches"</SPAN
->
+>
ads, but also its own internal CGI pages. What is a <SPAN
CLASS="QUOTE"
>"crunch"</SPAN
>?</A
></DT
><DT
HREF="misc.html#DOWNLOADS"
->Can Privoxy effect files that I download
+>Can Privoxy affect files that I download
from a webserver? FTP server?</A
></DT
><DT
HREF="misc.html#DOWNLOADS2"
>I just downloaded a Perl script, and Privoxy
altered it! Yikes, what is wrong!</A
></DT
><DT
HREF="misc.html#HOSTSFILE"
>Should I continue to use a <SPAN
CLASS="QUOTE"
> file for ad-blocking?</A
></DT
><DT
HREF="misc.html#SEEALSO"
>Where can I find more information about Privoxy
and related issues?</A
></DT
><DT
HREF="misc.html#MICROSUCK"
>I've noticed that Privoxy changes <SPAN
CLASS="QUOTE"
>"Microsoft"</SPAN
-> to
+> to
<SPAN
CLASS="QUOTE"
>"MicroSuck"</SPAN
>! Why are you manipulating my browsing?</A
></DT
><DT
HREF="misc.html#VALID"
>Does Privoxy produce <SPAN
CLASS="QUOTE"
>"valid"</SPAN
> HTML (or XHTML)?</A
></DT
+><DT
+>4.28. <A
+HREF="misc.html#SURPRISE-PRIVOXY"
+>How did you manage to get Privoxy on my computer without my consent?</A
+></DT
></DL
></DD
><DT
><DL
><DT
>5.1. <A
-HREF="trouble.html#AEN1064"
+HREF="trouble.html#REFUSED"
>I cannot connect to any websites. Or, I am getting
<SPAN
CLASS="QUOTE"
></DT
><DT
>5.3. <A
-HREF="trouble.html#AEN1087"
->I just added a new rule, but the steenkin ad is
+HREF="trouble.html#FLUSHIT"
+>I just added a new rule, but the steenkin ad is
still getting through. How?</A
></DT
><DT
></DT
><DT
>5.7. <A
-HREF="trouble.html#OSXIE"
->In Mac OSX, I can't configure Microsoft Internet Explorer to use
+HREF="trouble.html#MACOSXIE"
+>In Mac OS X, I can't configure Microsoft Internet Explorer to use
Privoxy as the HTTP proxy.</A
></DT
><DT
>5.8. <A
-HREF="trouble.html#OSXUNINSTALL"
->In Mac OSX, I dragged the Privoxy folder to the trash in order to
- uninstall it. Now the finder tells me I don't have sufficient privileges to
+HREF="trouble.html#MACOSXUNINSTALL"
+>In Mac OS X, I dragged the Privoxy folder to the trash in order to
+ uninstall it. Now the finder tells me I don't have sufficient privileges to
empty the trash.</A
></DT
><DT
>5.9. <A
-HREF="trouble.html#OSXIMAGES"
->In Mac OSX Panther (10.3), images often fail to load and/or I
+HREF="trouble.html#MACOSXIMAGES"
+>In Mac OS X Panther (10.3), images often fail to load and/or I
experience random delays in page loading. I'm using
<TT
CLASS="LITERAL"
></DT
><DT
>5.10. <A
-HREF="trouble.html#BLANKPAGE"
->I get a completely blank page at one site. <SPAN
-CLASS="QUOTE"
->"View Source"</SPAN
->
- shows only: <SPAN
-CLASS="MARKUP"
-><html><body></body></html></SPAN
->. Without
- Privoxy the page loads fine.</A
+HREF="trouble.html#MACOSXACCOUNTDELETION"
+>I just upgraded to Mac OS X 10.9 (Mavericks) and now <SPAN
+CLASS="APPLICATION"
+>Privoxy</SPAN
+> has stopped
+ working.</A
></DT
><DT
>5.11. <A
><DT
>5.12. <A
HREF="trouble.html#INUSE"
->When I try to launch Privoxy, I get an
+>When I try to launch Privoxy, I get an
error message <SPAN
CLASS="QUOTE"
>"port 8118 is already in use"</SPAN
><DT
>5.18. <A
HREF="trouble.html#ALLCPU"
->At one site Privoxy just hangs, and starts taking
+>At one site Privoxy just hangs, and starts taking
all CPU. Why is this?</A
></DT
><DT
HREF="trouble.html#PREVENTCOMP"
>Why do my filters work on some sites but not on others?</A
></DT
+><DT
+>5.21. <A
+HREF="trouble.html#SSL-WARNINGS"
+>On some HTTPS sites my browser warns me about unauthenticated content,
+ the URL bar doesn't get highlighted and the lock symbol appears to be broken.
+ What's going on?</A
+></DT
+><DT
+>5.22. <A
+HREF="trouble.html#SE-LINUX"
+>I get selinux error messages. How can I fix this?</A
+></DT
+><DT
+>5.23. <A
+HREF="trouble.html#GENTOO-RICERS"
+>I compiled <SPAN
+CLASS="APPLICATION"
+>Privoxy</SPAN
+> with Gentoo's portage and it appears to be very slow. Why?</A
+></DT
+><DT
+>5.24. <A
+HREF="trouble.html#TAINTED-SOCKETS"
+>What are tainted sockets and how do I prevent them?</A
+></DT
+><DT
+>5.25. <A
+HREF="trouble.html#PCRE-STACK-LIMIT"
+>After adding my custom filters, <SPAN
+CLASS="APPLICATION"
+>Privoxy</SPAN
+> crashes when visitting certain websites</A
+></DT
+><DT
+>5.26. <A
+HREF="trouble.html#FILE-PERMISSIONS"
+>What to do if editing the config file of privoxy is access denied?</A
+></DT
></DL
></DD
><DT
><DL
><DT
>6.1. <A
+HREF="contact.html#SUFFICIENT-INFORMATION"
+>Please provide sufficient information</A
+></DT
+><DT
+>6.2. <A
HREF="contact.html#CONTACT-SUPPORT"
>Get Support</A
></DT
><DT
HREF="contact.html#REPORTING"
>Reporting Problems</A
></DT
><DD
><DL
><DT
HREF="contact.html#CONTACT-ADS"
>Reporting Ads or Other Configuration Problems</A
></DT
><DT
HREF="contact.html#CONTACT-BUGS"
>Reporting Bugs</A
></DT
></DL
></DD
><DT
-HREF="contact.html#CONTACT-FEATURE"
->Request New Features</A
+HREF="contact.html#SECURITY-CONTACT"
+>Reporting security problems</A
></DT
><DT
->6.4. <A
-HREF="contact.html#CONTACT-OTHER"
->Other</A
+>6.5. <A
+HREF="contact.html#MAILING-LISTS"
+>Mailing Lists</A
+></DT
+><DT
+>6.6. <A
+HREF="contact.html#SF-TRACKERS"
+>SourceForge support trackers</A
></DT
></DL
></DD
><DL
><DT
>7.1. <A
-HREF="copyright.html#AEN1377"
+HREF="copyright.html#AEN1501"
>License</A
></DT
><DT
>7.2. <A
-HREF="copyright.html#AEN1393"
+HREF="copyright.html#AEN1510"
>History</A
></DT
></DL
projects / privoxy.git / blobdiff