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->Privoxy 3.0.17 User Manual</TH
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-><TR
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-WIDTH="10%"
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-VALIGN="bottom"
-><A
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-><DIV
-CLASS="SECT1"
-><H1
-CLASS="SECT1"
-><A
-NAME="WHATSNEW"
->3. What's New in this Release</A
-></H1
-><P
-> <SPAN
-CLASS="APPLICATION"
->Privoxy 3.0.16</SPAN
-> is a stable release.
- The changes since 3.0.15 beta are:</P
-><P
-> <P
-></P
-><UL
-><LI
-><P
-> Fixed last-chunk-detection for responses where the content was small
- enough to be read with the body, causing Privoxy to wait for the
- end of the content until the server closed the connection.
- Reported by "Karsten" in #3028326.
- </P
-></LI
-><LI
-><P
-> Responses with status code 204 weren't properly detected as body-less
- like RFC2616 mandates. Like the previous bug, this caused Privoxy
- to wait for the end of the content until the server closed the connection.
- Fixes #3022042 and #3025553, reported by a user with no visible name.
- Most likely also fixes a bunch of other AJAX-related problem reports
- that got closed in the past due to insufficient information and lack
- of feedback.
- </P
-></LI
-><LI
-><P
-> Fixed an ACL bug that made it impossible to build a blacklist.
- Usually the ACL directives are used in a whitelist, which worked
- as expected, but blacklisting is still useful for public proxies
- where one only needs to deny known abusers access.
- </P
-></LI
-><LI
-><P
-> Added LOG_LEVEL_RECEIVED to log the not-yet-parsed data read from the
- network. This should make debugging various parsing issues a lot easier.
- </P
-></LI
-><LI
-><P
-> The IPv6 code is enabled by default on Windows versions that support it.
- Patch submitted by oCameLo in #2942729.
- </P
-></LI
-><LI
-><P
-> In mingw32 versions, the user.filter file is reachable through the
- GUI, just like default.filter is. Feature request 3040263.
- </P
-></LI
-><LI
-><P
-> Added the configure option --enable-large-file-support to set a few
- defines that are required by platforms like GNU/Linux to support files
- larger then 2GB. Mainly interesting for users without proper logfile
- management.
- </P
-></LI
-><LI
-><P
-> Logging with "debug 16" no longer stops at the first nul byte which is
- pretty useless. Non-printable characters are replaced with their hex value
- so the result can't span multiple lines making parsing them harder then
- necessary.
- </P
-></LI
-><LI
-><P
-> Privoxy logs when reading an action, filter or trust file.
- </P
-></LI
-><LI
-><P
-> Fixed incorrect regression test markup which caused a test in
- 3.0.16 to fail while Privoxy itself was working correctly.
- While Privoxy accepts hide-referer, too, the action name is actually
- hide-referrer which is also the name used one the final results page,
- where the test expected the alias.
- </P
-></LI
-><LI
-><P
-> CGI interface improvements:
- <P
-></P
-><UL
-><LI
-><P
-> In finish_http_response(), continue to add the 'Connection: close'
- header if the client connection will not be kept alive.
- Anonymously pointed out in #2987454.
- </P
-></LI
-><LI
-><P
-> Apostrophes in block messages no longer cause parse errors
- when the blocked page is viewed with JavaScript enabled.
- Reported by dg1727 in #3062296.
- </P
-></LI
-><LI
-><P
-> Fix a bunch of anchors that used underscores instead of dashes.
- </P
-></LI
-><LI
-><P
-> Allow to keep the client connection alive after crunching the previous request.
- Already opened server connections can be kept alive, too.
- </P
-></LI
-><LI
-><P
-> In cgi_show_url_info(), don't forget to prefix URLs that only contain http:// or https:// in the path.
- Fixes #2975765 reported by Adam Piggott.
- </P
-></LI
-><LI
-><P
-> Show the 404 CGI page if cgi_send_user_manual() is called while
- local user manual delivery is disabled.
- </P
-></LI
-></UL
->
- </P
-></LI
-><LI
-><P
-> Action file improvements:
- <P
-></P
-><UL
-><LI
-><P
-> Enable user.filter by default. Suggested by David White in #3001830.
- </P
-></LI
-><LI
-><P
-> Block .sitestat.com/. Reported by johnd16 in #3002725.
- </P
-></LI
-><LI
-><P
-> Block .atemda.com/. Reported by johnd16 in #3002723.
- </P
-></LI
-><LI
-><P
-> Block js.adlink.net/. Reported by johnd16 in #3002720.
- </P
-></LI
-><LI
-><P
-> Block .analytics.yahoo.com/. Reported by johnd16 in #3002713.
- </P
-></LI
-><LI
-><P
-> Block sb.scorecardresearch.com, too. Reported by dg1727 in #2992652.
- </P
-></LI
-><LI
-><P
-> Fix problems noticed on Yahoo mail and news pages.
- </P
-></LI
-><LI
-><P
-> Remove the too broad yahoo section, only keeping the
- fast-redirects exception as discussed on ijbswa-devel@.
- </P
-></LI
-><LI
-><P
-> Don't block adesklets.sourceforge.net. Reported in #2974204.
- </P
-></LI
-><LI
-><P
-> Block chartbeat ping tracking. Reported in #2975895.
- </P
-></LI
-><LI
-><P
-> Tag CSS and image requests with cautious and medium settings, too.
- </P
-></LI
-><LI
-><P
-> Don't handle view.atdmt.com as image. It's used for click-throughs
- so users should be able to "go there anyway".
- Reported by Adam Piggott in #2975927.
- </P
-></LI
-><LI
-><P
-> Also let the refresh-tags filter remove invalid refresh tags where
- the 'url=' part is missing. Anonymously reported in #2986382.
- While at it, update the description to mention the fact that only
- refresh tags with refresh times above 9 seconds are covered.
- </P
-></LI
-><LI
-><P
-> javascript needs to be blocked with +handle-as-empty-document to
- work around Firefox bug 492459. So move .js blockers from
- +block{Might be a web-bug.} -handle-as-empty-document
- to
- +block{Might be a web-bug.} +handle-as-empty-document
- </P
-></LI
-><LI
-><P
-> ijbswa-Feature Requests-3006719 - Block 160x578 Banners.
- </P
-></LI
-><LI
-><P
-> Block another omniture tracking domain
- </P
-></LI
-><LI
-><P
-> Added a range-requests tagger.
- </P
-></LI
-><LI
-><P
-> Added two sections to get Flickr's Ajax interface working with
- default pre-settings. If you change the configuration to block
- cookies by default, you'll need additional exceptions.
- Reported by Mathias Homann in #3101419 and by Patrick on ijbswa-users@
- </P
-></LI
-></UL
->
- </P
-></LI
-><LI
-><P
-> Documentation improvements:
- <P
-></P
-><UL
-><LI
-><P
-> Explicitly mention how to match all URLs.
- </P
-></LI
-><LI
-><P
-> Consistently recommend socks5 in the Tor FAQ entry and mention
- its advantage compared to socks4a. Reported by David in #2960129.
- </P
-></LI
-><LI
-><P
-> Slightly improve the explanation of why filtering may appear
- slower than it is.
- </P
-></LI
-><LI
-><P
-> Grammar fixes for the ACL section.
- </P
-></LI
-></UL
->
- </P
-></LI
-><LI
-><P
-> Privoxy-Log-Parser improvements:
- <P
-></P
-><UL
-><LI
-><P
-> Also gather statistics for blocked and redirected requests.
- </P
-></LI
-><LI
-><P
-> Provide the percentage of keep-alive offers the client accepted.
- </P
-></LI
-><LI
-><P
-> Add a --url-statistics-threshold option.
- </P
-></LI
-><LI
-><P
-> Also gather statistics for ressources, methods, and HTTP versions
- used by the client.
- </P
-></LI
-><LI
-><P
-> Add a --host-statistics-threshold option to also gather
- statistics about how many request where made per host.
- </P
-></LI
-><LI
-><P
-> Fix a bug in handle_loglevel_header() where a 'scan: ' got lost.
- </P
-></LI
-><LI
-><P
-> Add a --shorten-thread-ids option to replace the thread id with
- a decimal number.
- </P
-></LI
-><LI
-><P
-> Accept and ignore: Looks like we got the last chunk together
- with the server headers. We better stop reading.
- </P
-></LI
-><LI
-><P
-> Accept and ignore: Continue hack in da house.
- </P
-></LI
-><LI
-><P
-> Accept and higlight: Rejecting connection from 10.0.0.2.
- Maximum number of connections reached.
- </P
-></LI
-><LI
-><P
-> Accept and highlight: Loading actions file: /usr/local/etc/privoxy/default.action
- </P
-></LI
-><LI
-><P
-> Accept and highlight: Loading filter file: /usr/local/etc/privoxy/default.filter
- </P
-></LI
-><LI
-><P
-> Accept and highlight: Killed all-caps Host header line: HOST: bestproxydb.com
- </P
-></LI
-><LI
-><P
-> Accept and highlight: Reducing expected bytes to 0. Marking
- the server socket tainted after throwing 4 bytes away.
- </P
-></LI
-><LI
-><P
-> Accept: Merged multiple header lines to: 'X-FORWARDED-PROTO: http X-HOST: 127.0.0.1'
- </P
-></LI
-></UL
->
- </P
-></LI
-><LI
-><P
-> Code cleanups:
- <P
-></P
-><UL
-><LI
-><P
-> Remove the next member from the client_state struct. Only the main
- thread needs access to all client states so give it its own struct.
- </P
-></LI
-><LI
-><P
-> Garbage-collect request_contains_null_bytes().
- </P
-></LI
-><LI
-><P
-> Ditch redundant code in unload_configfile().
- </P
-></LI
-><LI
-><P
-> Ditch LogGetURLUnderCursor() which doesn't seem to be used anywhere.
- </P
-></LI
-><LI
-><P
-> In write_socket(), remove the write-only variable write_len in
- an ifdef __OS2__ block. Spotted by cppcheck.
- </P
-></LI
-><LI
-><P
-> In connect_to(), don't declare the variable 'flags' on OS/2 where
- it isn't used. Spotted by cppcheck.
- </P
-></LI
-><LI
-><P
-> Limit the scope of various variables. Spotted by cppcheck.
- </P
-></LI
-><LI
-><P
-> In add_to_iob(), turn an interestingly looking for loop into a
- boring while loop.
- </P
-></LI
-><LI
-><P
-> Code cleanup in preparation for external filters.
- </P
-></LI
-><LI
-><P
-> In listen_loop(), mention the socket on which we accepted the
- connection, not just the source IP address.
- </P
-></LI
-><LI
-><P
-> In write_socket(), also log the socket we're writing to.
- </P
-></LI
-><LI
-><P
-> In log_error(), assert that escaped characters get logged
- completely or not at all.
- </P
-></LI
-><LI
-><P
-> In log_error(), assert that ival and sval have reasonable values.
- There's no reason not to abort() if they don't.
- </P
-></LI
-><LI
-><P
-> Remove an incorrect cgi_error_unknown() call in a
- cannnot-happen-situation in send_crunch_response().
- </P
-></LI
-><LI
-><P
-> Clean up white-space in http_response definition and
- move the crunch_reason to the beginning.
- </P
-></LI
-><LI
-><P
-> Turn http_response.reason into an enum and rename it
- to http_response.crunch_reason.
- </P
-></LI
-><LI
-><P
-> Silence a 'gcc (Debian 4.3.2-1.1) 4.3.2' warning on i686 GNU/Linux.
- </P
-></LI
-></UL
->
- </P
-></LI
-><LI
-><P
-> GNUmakefile improvements:
- <P
-></P
-><UL
-><LI
-><P
-> Use $(SSH) instead of ssh, so one only needs to specify a username once.
- </P
-></LI
-><LI
-><P
-> Removed references to the action feedback thingy that hasn't been
- working for years.
- </P
-></LI
-><LI
-><P
-> Consistently use shell.sourceforge.net instead of shell.sf.net so
- one doesn't need to check server fingerprints twice.
- </P
-></LI
-><LI
-><P
-> Removed GNUisms in the webserver and webactions targets so they
- work with standard tar.
- </P
-></LI
-></UL
->
- </P
-></LI
-></UL
-></P
-><DIV
-CLASS="SECT2"
-><H2
-CLASS="SECT2"
-><A
-NAME="UPGRADERSNOTE"
->3.1. Note to Upgraders</A
-></H2
-><P
-> A quick list of things to be aware of before upgrading from earlier
- versions of <SPAN
-CLASS="APPLICATION"
->Privoxy</SPAN
->:</P
-><P
-> <P
-></P
-><UL
-><LI
-><P
-> The recommended way to upgrade <SPAN
-CLASS="APPLICATION"
->Privoxy</SPAN
-> is to backup your old
- configuration files, install the new ones, verify that <SPAN
-CLASS="APPLICATION"
->Privoxy</SPAN
->
- is working correctly and finally merge back your changes using
- <SPAN
-CLASS="APPLICATION"
->diff</SPAN
-> and maybe <SPAN
-CLASS="APPLICATION"
->patch</SPAN
->.
- </P
-><P
-> There are a number of new features in each <SPAN
-CLASS="APPLICATION"
->Privoxy</SPAN
-> release and
- most of them have to be explicitly enabled in the configuration
- files. Old configuration files obviously don't do that and due
- to syntax changes using old configuration files with a new
- <SPAN
-CLASS="APPLICATION"
->Privoxy</SPAN
-> isn't always possible anyway.
- </P
-></LI
-><LI
-><P
->
- Note that some installers remove earlier versions completely,
- including configuration files, therefore you should really save
- any important configuration files!
- </P
-></LI
-><LI
-><P
->
- On the other hand, other installers don't overwrite existing configuration
- files, thinking you will want to do that yourself.
- </P
-></LI
-><LI
-><P
->
- <TT
-CLASS="FILENAME"
->standard.action</TT
-> has been merged into
- the <TT
-CLASS="FILENAME"
->default.action</TT
-> file.
- </P
-></LI
-><LI
-><P
-> In the default configuration only fatal errors are logged now.
- You can change that in the <A
-HREF="config.html#DEBUG"
->debug section</A
->
- of the configuration file. You may also want to enable more verbose
- logging until you verified that the new <SPAN
-CLASS="APPLICATION"
->Privoxy</SPAN
-> version is working
- as expected.
- </P
-></LI
-><LI
-><P
-> Three other config file settings are now off by default:
- <A
-HREF="config.html#ENABLE-REMOTE-TOGGLE"
->enable-remote-toggle</A
->,
- <A
-HREF="config.html#ENABLE-REMOTE-HTTP-TOGGLE"
->enable-remote-http-toggle</A
->,
- and <A
-HREF="config.html#ENABLE-EDIT-ACTIONS"
->enable-edit-actions</A
->.
- If you use or want these, you will need to explicitly enable them, and
- be aware of the security issues involved.
- </P
-></LI
-></UL
-></P
-></DIV
-></DIV
-><DIV
-CLASS="NAVFOOTER"
-><HR
-ALIGN="LEFT"
-WIDTH="100%"><TABLE
-SUMMARY="Footer navigation table"
-WIDTH="100%"
-BORDER="0"
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
+"http://www.w3.org/TR/html4/loose.dtd">
+<html>
+<head>
+ <title>What's New in this Release</title>
+ <meta name="GENERATOR" content="Modular DocBook HTML Stylesheet Version 1.79">
+ <link rel="HOME" title="Privoxy 3.0.33 User Manual" href="index.html">
+ <link rel="PREVIOUS" title="Installation" href="installation.html">
+ <link rel="NEXT" title="Quickstart to Using Privoxy" href="quickstart.html">
+ <link rel="STYLESHEET" type="text/css" href="../p_doc.css">
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+ <table summary="Header navigation table" width="100%" border="0" cellpadding="0" cellspacing="0">
+ <tr>
+ <th colspan="3" align="center">Privoxy 3.0.33 User Manual</th>
+ </tr>
+ <tr>
+ <td width="10%" align="left" valign="bottom"><a href="installation.html" accesskey="P">Prev</a></td>
+ <td width="80%" align="center" valign="bottom"></td>
+ <td width="10%" align="right" valign="bottom"><a href="quickstart.html" accesskey="N">Next</a></td>
+ </tr>
+ </table>
+ <hr align="left" width="100%">
+ </div>
+ <div class="SECT1">
+ <h1 class="SECT1"><a name="WHATSNEW" id="WHATSNEW">3. What's New in this Release</a></h1>
+ <p><span class="APPLICATION">Privoxy 3.0.32</span> fixes multiple DoS issues and a couple of other bugs. The issues
+ also affect earlier Privoxy releases.</p>
+ <p>Changes in <span class="APPLICATION">Privoxy 3.0.32</span> stable:</p>
+ <ul>
+ <li>
+ <p>Security/Reliability:</p>
+ <ul>
+ <li>
+ <p>ssplit(): Remove an assertion that could be triggered with a crafted CGI request. Commit 2256d7b4d67.
+ OVE-20210203-0001. Reported by: Joshua Rogers (Opera)</p>
+ </li>
+ <li>
+ <p>cgi_send_banner(): Overrule invalid image types. Prevents a crash with a crafted CGI request if Privoxy
+ is toggled off. Commit e711c505c48. OVE-20210206-0001. Reported by: Joshua Rogers (Opera)</p>
+ </li>
+ <li>
+ <p>socks5_connect(): Don't try to send credentials when none are configured. Fixes a crash due to a
+ NULL-pointer dereference when the socks server misbehaves. Commit 85817cc55b9. OVE-20210207-0001. Reported
+ by: Joshua Rogers (Opera)</p>
+ </li>
+ <li>
+ <p>chunked_body_is_complete(): Prevent an invalid read of size two. Commit a912ba7bc9c. OVE-20210205-0001.
+ Reported by: Joshua Rogers (Opera)</p>
+ </li>
+ <li>
+ <p>Obsolete pcre: Prevent invalid memory accesses with an invalid pattern passed to pcre_compile(). Note
+ that the obsolete pcre code is scheduled to be removed before the 3.0.33 release. There has been a warning
+ since 2008 already. Commit 28512e5b624. OVE-20210222-0001. Reported by: Joshua Rogers (Opera)</p>
+ </li>
+ </ul>
+ </li>
+ <li>
+ <p>Bug fixes:</p>
+ <ul>
+ <li>
+ <p>Properly parse the client-tag-lifetime directive. Previously it was not accepted as an obsolete hash
+ value was being used. Reported by: Joshua Rogers (Opera)</p>
+ </li>
+ <li>
+ <p>decompress_iob(): Prevent reading of uninitialized data. Reported by: Joshua Rogers (Opera).</p>
+ </li>
+ <li>
+ <p>decompress_iob(): Don't advance cur past eod when looking for the end of the file name and comment.</p>
+ </li>
+ <li>
+ <p>decompress_iob(): Cast value to unsigned char before shifting. Prevents a left-shift of a negative value
+ which is undefined behaviour. Reported by: Joshua Rogers (Opera)</p>
+ </li>
+ <li>
+ <p>gif_deanimate(): Confirm that that we have enough data before doing any work. Fixes a crash when fuzzing
+ with an empty document. Reported by: Joshua Rogers (Opera).</p>
+ </li>
+ <li>
+ <p>buf_copy(): Fail if there's no data to write or nothing to do. Prevents undefined behaviour "applying
+ zero offset to null pointer". Reported by: Joshua Rogers (Opera)</p>
+ </li>
+ <li>
+ <p>log_error(): Treat LOG_LEVEL_FATAL as fatal even when --stfu is being used while fuzzing. Reported by:
+ Joshua Rogers (Opera).</p>
+ </li>
+ <li>
+ <p>Respect DESTDIR when considering whether or not to install config files with ".new" extension.</p>
+ </li>
+ <li>
+ <p>OpenSSL ssl_store_cert(): Fix two error messages.</p>
+ </li>
+ <li>
+ <p>Fix a couple of format specifiers.</p>
+ </li>
+ <li>
+ <p>Silence compiler warnings when compiling with NDEBUG.</p>
+ </li>
+ <li>
+ <p>fuzz_server_header(): Fix compiler warning.</p>
+ </li>
+ <li>
+ <p>fuzz_client_header(): Fix compiler warning.</p>
+ </li>
+ <li>
+ <p>cgi_send_user_manual(): Also reject requests if the user-manual directive specifies a https:// URL.
+ Previously Privoxy would try and fail to open a local file.</p>
+ </li>
+ </ul>
+ </li>
+ <li>
+ <p>General improvements:</p>
+ <ul>
+ <li>
+ <p>Log the TLS version and the the cipher when debug 2 is enabled.</p>
+ </li>
+ <li>
+ <p>ssl_send_certificate_error(): Respect HEAD requests by not sending a body.</p>
+ </li>
+ <li>
+ <p>ssl_send_certificate_error(): End the body with a single new line.</p>
+ </li>
+ <li>
+ <p>serve(): Increase the chances that the host is logged when closing a server socket.</p>
+ </li>
+ <li>
+ <p>handle_established_connection(): Add parentheses to clarify an expression Suggested by: David
+ Binderman</p>
+ </li>
+ <li>
+ <p>continue_https_chat(): Explicitly unset CSP_FLAG_CLIENT_CONNECTION_KEEP_ALIVE if
+ process_encrypted_request() fails. This makes it more obvious that the connection will not be reused.
+ Previously serve() relied on CSP_FLAG_SERVER_CONTENT_LENGTH_SET and CSP_FLAG_CHUNKED being unset. Inspired
+ by a patch from Joshua Rogers (Opera).</p>
+ </li>
+ <li>
+ <p>decompress_iob(): Add periods to a couple of log messages</p>
+ </li>
+ <li>
+ <p>Terminate the body of the HTTP snipplets with a single new line instead of "\r\n".</p>
+ </li>
+ <li>
+ <p>configure: Add --with-assertions option and only enable assertions when it is used</p>
+ </li>
+ <li>
+ <p>windows build: Use --with-brotli and --with-mbedtls by default and enable dynamic error checking.</p>
+ </li>
+ <li>
+ <p>gif_deanimate(): Confirm we've got an image before trying to write it Saves a pointless buf_copy()
+ call.</p>
+ </li>
+ <li>
+ <p>OpenSSL ssl_store_cert(): Remove a superfluous space before the serial number.</p>
+ </li>
+ </ul>
+ </li>
+ <li>
+ <p>Action file improvements:</p>
+ <ul>
+ <li>
+ <p>Disable fast-redirects for .golem.de/</p>
+ </li>
+ <li>
+ <p>Unblock requests to adri*.</p>
+ </li>
+ <li>
+ <p>Block requests for trc*.taboola.com/</p>
+ </li>
+ <li>
+ <p>Disable fast-redirects for .linkedin.com/</p>
+ </li>
+ </ul>
+ </li>
+ <li>
+ <p>Filter file improvements:</p>
+ <ul>
+ <li>
+ <p>Make the second pcrs job of the img-reorder filter greedy again. The ungreedy version broke the img tags
+ on: https://bulk.fefe.de/scalability/.</p>
+ </li>
+ </ul>
+ </li>
+ <li>
+ <p>Privoxy-Log-Parser:</p>
+ <ul>
+ <li>
+ <p>Highlight a few more messages.</p>
+ </li>
+ <li>
+ <p>Clarify the --statistics output. The shown "Reused connections" are server connections so name them
+ appropriately.</p>
+ </li>
+ <li>
+ <p>Bump version to 0.9.3.</p>
+ </li>
+ </ul>
+ </li>
+ <li>
+ <p>Privoxy-Regression-Test:</p>
+ <ul>
+ <li>
+ <p>Add the --check-bad-ssl option to the --help output.</p>
+ </li>
+ <li>
+ <p>Bump version to 0.7.3.</p>
+ </li>
+ </ul>
+ </li>
+ <li>
+ <p>Documentation:</p>
+ <ul>
+ <li>
+ <p>Add pushing the created tag to the release steps in the developer manual.</p>
+ </li>
+ <li>
+ <p>Clarify that 'debug 32768' should be used in addition to the other debug directives when reporting
+ problems.</p>
+ </li>
+ <li>
+ <p>Add a 'Third-party licenses and copyrights' section to the user manual.</p>
+ </li>
+ </ul>
+ </li>
+ </ul>
+ <div class="SECT2">
+ <h2 class="SECT2"><a name="UPGRADERSNOTE" id="UPGRADERSNOTE">3.1. Note to Upgraders</a></h2>
+ <p>A quick list of things to be aware of before upgrading from earlier versions of <span class=
+ "APPLICATION">Privoxy</span>:</p>
+ <ul>
+ <li>
+ <p>The recommended way to upgrade <span class="APPLICATION">Privoxy</span> is to backup your old
+ configuration files, install the new ones, verify that <span class="APPLICATION">Privoxy</span> is working
+ correctly and finally merge back your changes using <span class="APPLICATION">diff</span> and maybe
+ <span class="APPLICATION">patch</span>.</p>
+ <p>There are a number of new features in each <span class="APPLICATION">Privoxy</span> release and most of
+ them have to be explicitly enabled in the configuration files. Old configuration files obviously don't do
+ that and due to syntax changes using old configuration files with a new <span class=
+ "APPLICATION">Privoxy</span> isn't always possible anyway.</p>
+ </li>
+ <li>
+ <p>Note that some installers remove earlier versions completely, including configuration files, therefore you
+ should really save any important configuration files!</p>
+ </li>
+ <li>
+ <p>On the other hand, other installers don't overwrite existing configuration files, thinking you will want
+ to do that yourself.</p>
+ </li>
+ <li>
+ <p>In the default configuration only fatal errors are logged now. You can change that in the <a href=
+ "config.html#DEBUG">debug section</a> of the configuration file. You may also want to enable more verbose
+ logging until you verified that the new <span class="APPLICATION">Privoxy</span> version is working as
+ expected.</p>
+ </li>
+ <li>
+ <p>Three other config file settings are now off by default: <a href=
+ "config.html#ENABLE-REMOTE-TOGGLE">enable-remote-toggle</a>, <a href=
+ "config.html#ENABLE-REMOTE-HTTP-TOGGLE">enable-remote-http-toggle</a>, and <a href=
+ "config.html#ENABLE-EDIT-ACTIONS">enable-edit-actions</a>. If you use or want these, you will need to
+ explicitly enable them, and be aware of the security issues involved.</p>
+ </li>
+ </ul>
+ </div>
+ </div>
+ <div class="NAVFOOTER">
+ <hr align="left" width="100%">
+ <table summary="Footer navigation table" width="100%" border="0" cellpadding="0" cellspacing="0">
+ <tr>
+ <td width="33%" align="left" valign="top"><a href="installation.html" accesskey="P">Prev</a></td>
+ <td width="34%" align="center" valign="top"><a href="index.html" accesskey="H">Home</a></td>
+ <td width="33%" align="right" valign="top"><a href="quickstart.html" accesskey="N">Next</a></td>
+ </tr>
+ <tr>
+ <td width="33%" align="left" valign="top">Installation</td>
+ <td width="34%" align="center" valign="top"> </td>
+ <td width="33%" align="right" valign="top">Quickstart to Using Privoxy</td>
+ </tr>
+ </table>
+ </div>
+</body>
+</html>
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