Privoxy 3.0.15 User Manual
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3. What's New in this Release

Privoxy 3.0.15 beta is a bug-fix release - for the previous beta. The changes since 3.0.14 are:

In case of missing server data, no error message is send to the - client if the request arrived on a reused connection. The client - is then supposed to silently retry the request without bothering - the user. This should significantly reduce the frequency of the - "No server or forwarder data received" error message many users - reported. -
More reliable detection of prematurely closed client sockets - with keep-alive enabled. -
FEATURE_CONNECTION_KEEP_ALIVE is decoupled from - FEATURE_CONNECTION_SHARING and now available on - all platforms. -
Improved handling of POST requests on reused connections. - Should fix problems with stalled connections after submitting - form data with some browser configurations. -
Fixed various latency calculation issues. -
Allows the client to pass NTLM authentication requests to a - forwarding proxy. This was already assumed and hinted to work - in 3.0.13 beta but actually didn't. Now it's confirmed to work - with IE, Firefox and Chrome. - Thanks to Francois Botha and Wan-Teh Chang -
Fixed a calculation problem if receiving the server headers - takes more than two reads, that could cause Privoxy to terminate - the connection prematurely. Reported by Oliver. -
Compiles again on platforms such as OpenBSD and systems - using earlier glibc version that don't support AI_ADDRCONFIG. - Anonymously submitted in #2872591. -
A bunch of MS VC project files and Suse and Redhat RPM spec - files have been removed as they were no longer maintained for - quite some time. -
Overly long action lines are properly rejected with a proper - error message. Previously they would be either rejected as - invalid or cause a core dump through abort(). -
Already timed-out connections are no longer temporarily remembered. - They weren't reused anyway, but wasted a socket slot. -
len refers to the number of bytes actually read which might - differ from the ones received. Adjust log messages accordingly. -
The optional JavaScript on the CGI page uses encodeURIComponent() - instead of escape() which doesn't encode all characters that matter. - Anonymously reported in #2832722. -
Fix gcc45 warnings in decompress_iob(). -
Various log message improvements. -
Privoxy-Regression-Test supports redirect tests. -
Privoxy-Log-Parser can gather some connection statistics. -

If you missed the previous two beta versions, you may also be - interested in the additional changes since 3.0.12, the - last stable release:

Added IPv6 support. Thanks to Petr Pisar who not only provided - the initial patch but also helped a lot with the integration. -
Added client-side keep-alive support. -
The connection sharing code is only used if the connection-sharing - option is enabled. -
The latency is taken into account when evaluating whether or not to - reuse a connection. This should significantly reduce the number of - connections problems several users reported. -
The max-client-connections option has been added to restrict - the number of client connections below a value enforced by - the operating system. -
If the server doesn't specify how long the connection stays alive, - Privoxy errs on the safe side of caution and assumes it's only a second. -
Setting keep-alive-timeout to 0 disables keep-alive support. Previously - Privoxy would claim to allow persistence but not reuse the connection. -
Pipelined requests are less likely to be mistaken for the request - body of the previous request. Note that Privoxy still has no real - pipeline support and will either serialize pipelined requests or - drop them in which case the client has to resent them. -
Fixed a crash on some Windows versions when header randomization - is enabled and the date couldn't be parsed. -
Privoxy's keep-alive timeout for the current connection is reduced - to the one specified in the client's Keep-Alive header. -
For HTTP/1.1 requests, Privoxy implies keep-alive support by not - setting any Connection header instead of using 'Connection: keep-alive'. -
If the socket isn't reusable, Privoxy doesn't temporarily waste - a socket slot to remember the connection. -
If keep-alive support is disabled but compiled in, the client's - Keep-Alive header is removed. -
Fixed a bug on mingw32 where downloading large files failed if - keep-alive support was enabled. -
Fixed a bug that (at least theoretically) could cause log - timestamps to be occasionally off by about a second. -
The configure script respects the $PATH variable when searching - for groups and id. -
Compressed content with extra fields couldn't be decompressed - and would get passed to the client unfiltered. This problem - has only be detected through statical analysis with clang as - nobody seems to be using extra fields anyway. -
If the server resets the Connection after sending only the headers - Privoxy forwards what it got to the client. Previously Privoxy - would deliver an error message instead. -
Error messages in case of connection timeouts use the right - HTTP status code. -
If spawning a child to handle a request fails, the client - gets an error message and Privoxy continues to listen for - new requests right away. -
The error messages in case of server-connection timeouts or - prematurely closed server connections are now template-based. -
If zlib support isn't compiled in, Privoxy no longer tries to - filter compressed content unless explicitly asked to do so. -
In case of connections that are denied based on ACL directives, - the memory used for the client IP is no longer leaked. -
Fixed another small memory leak if the client request times out - while waiting for client headers other than the request line. -
The client socket is kept open until the server socket has - been marked as unused. This should increase the chances that - the still-open connection will be reused for the client's next - request to the same destination. Note that this only matters - if connection-sharing is enabled. -
A TODO list has been added to the source tarballs to give potential - volunteers a better idea of what the current goals are. Donations - are still welcome too: http://www.privoxy.org/faq/general.html#DONATE -

3.1. Note to Upgraders

A quick list of things to be aware of before upgrading from earlier - versions of Privoxy:

The recommended way to upgrade Privoxy is to backup your old - configuration files, install the new ones, verify that Privoxy - is working correctly and finally merge back your changes using - diff and maybe patch. -
There are a number of new features in each Privoxy 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 - Privoxy isn't always possible anyway. -
- Note that some installers remove earlier versions completely, - including configuration files, therefore you should really save - any important configuration files! -
- On the other hand, other installers don't overwrite existing configuration - files, thinking you will want to do that yourself. -
- standard.action has been merged into - the default.action file. -
In the default configuration only fatal errors are logged now. - You can change that in the debug section - of the configuration file. You may also want to enable more verbose - logging until you verified that the new Privoxy version is working - as expected. -
Three other config file settings are now off by default: - enable-remote-toggle, - enable-remote-http-toggle, - and enable-edit-actions. - If you use or want these, you will need to explicitly enable them, and - be aware of the security issues involved. -

Privoxy 3.0.21 User Manual
Prev		Next

3. What's New in this + Release

+ +

Privoxy 3.0.21 is UNRELEASED. The + changes since 3.0.20 beta are:

+ +

+
Bug fixes:
+ +
- +
  Compiles on OS/2 again now that unistd.h is only included on + platforms that have it.
  +
+
+
General improvements:
+ +
- +
  The show-status page shows the FEATURE_STRPTIME_SANITY_CHECKS + status.
  +
- +
  A couple of assert()s that could theoretically dereference + NULL pointers in debug builds have been relocated.
  +
- +
  Added an LSB info block to the generic start script. Based on + a patch from Natxo Asenjo.
  +
+
+
Action file improvements:
+ +
- +
  Block rover.ebay./ar.*\&adtype= instead of + "/.*\&adtype=" which caused too man false positives. Reported + by u302320 in #360284, additional feedback from Adam Piggott.
  +
- +
  Unblock '.advrider.com/' and '/.*ADVrider'. Anonymously + reported in #3603636.
  +
+
+
Filter file improvements:
+ +
- +
  Added an iframes filter.
  +
+
+
Documentation improvements:
+ +
- +
  The whole GPLv2 text is included in the user manual now, so + Privoxy can serve it itself and the user can read it without + having to wade through GPLv3 ads first.
  +
- +
  Properly numbered and underlined a couple of section titles in + the config that where previously overlooked due to a flaw in the + conversion script. Reported by Ralf Jungblut.
  +
- +
  Improved the support instruction to hopefully make it harder + to unintentionally provide insufficient information when + requesting support. Previously it wasn't obvious that the + information we need in bug reports is usually also required in + support requests.
  +
- +
  Removed documentation about packages that haven't been + provided in years.
  +
+
+
Privoxy-Regression-Test:
+ +
- +
  Only log the test number when not running in verbose mode The + position of the test is rarely relevant and it previously wasn't + exactly obvious which one of the numbers was useful to repeat the + test with --test-number.
  +
+
+
GNUmakefile improvements:
+ +
- +
  Factor generate-config-file out of config-file to make testing + more convenient.
  +
- +
  The clean target now also takes care of patch leftovers.
  +
+

+ +

Privoxy 3.0.20 beta contained the + following changes compared to the previous stable release:

+ +

+
Bug fixes:
+ +
- +
  Client sockets are now properly shutdown and drained before + being closed. This fixes page truncation issues with clients that + aggressively pipeline data on platforms that otherwise discard + already written data. The issue mainly affected Opera users and + was initially reported by Kevin in #3464439, szotsaki provided + additional information to track down the cause.
  +
- +
  Fix latency calculation for shared connections (disabled by + default). It was broken since their introduction in 2009. The + calculated latency for most connections would be 0 in which case + the timeout detection failed to account for the real latency.
  +
- +
  Reject URLs with invalid port. Previously they were parsed + incorrectly and characters between the port number and the first + slash were silently dropped as shown by curl test 187.
  +
- +
  The default-server-timeout and socket-timeout directives + accept 0 as valid value.
  +
- +
  Fix a race condition on Windows that could cause Privoxy to + become unresponsive after toggling it on or off through the + taskbar icon. Reported by Tim H. in #3525694.
  +
- +
  Fix the compilation on Windows when configured without IPv6 + support.
  +
- +
  Fix an assertion that could cause debug builds to abort() in + case of socks5 connection failures with "debug 2" enabled.
  +
- +
  Fix an assertion that could cause debug builds to abort() if a + filter contained nul bytes in the replacement text.
  +
+
+
General improvements:
+ +
- +
  Significantly improved keep-alive support for both client and + server connections.
  +
- +
  New debug log level 65536 which logs all actions that were + applied to the request.
  +
- +
  New directive client-header-order to forward client headers in + a different order than the one in which they arrived.
  +
- +
  New directive tolerate-pipelining to allow client-side + pipelining. If enabled (3.0.20 beta enables it by default), + Privoxy will keep pipelined client requests around to deal with + them once the current request has been served.
  +
- +
  New --config-test option to let Privoxy exit after checking + whether or not the configuration seems valid. The limitations + noted in TODO #22 and #23 still apply. Based on a patch by + Ramkumar Chinchani.
  +
- +
  New limit-cookie-lifetime{} action to let cookies expire + before the end of the session. Suggested by Rick Sykes in + #1049575.
  +
- +
  Increase the hard-coded maximum number of actions and filter + files from 10 to 30 (each). It doesn't significantly affect + Privoxy's memory usage and recompiling wasn't an option for all + Privoxy users that reached the limit.
  +
- +
  Add support for chunk-encoded client request bodies. + Previously chunk-encoded request bodies weren't guaranteed to be + forwarded correctly, so this can also be considered a bug fix + although chunk-encoded request bodies aren't commonly used in the + real world.
  +
- +
  Add support for Tor's optimistic-data SOCKS extension, which + can reduce the latency for requests on newly created connections. + Currently only the headers are sent optimistically and only if + the client request has already been read completely which rules + out requests with large bodies.
  +
- +
  After preventing the client from pipelining, don't signal + keep-alive intentions. When looking at the response headers + alone, it previously wasn't obvious from the client's perspective + that no additional responses should be expected.
  +
- +
  Stop considering client sockets tainted after receiving a + request with body. It hasn't been necessary for a while now and + unnecessarily causes test failures when using curl's test + suite.
  +
- +
  Allow HTTP/1.0 clients to signal interest in keep-alive + through the Proxy-Connection header. While such client are rare + in the real world, it doesn't hurt and couple of curl tests rely + on it.
  +
- +
  Only remove duplicated Content-Type headers when filters are + enabled. If they are not it doesn't cause ill effects and the + user might not want it. Downgrade the removal message to + LOG_LEVEL_HEADER to clarify that it's not an error in Privoxy and + is unlikely to cause any problems in general. Anonymously + reported in #3599335.
  +
- +
  Set the socket option SO_LINGER for the client socket.
  +
- +
  Move several variable declarations to the beginning of their + code block. It's required when compiling with gcc 2.95 which is + still used on some platforms. Initial patch submitted by Simon + South in #3564815.
  +
- +
  Optionally try to sanity-check strptime() results before + trusting them. Broken strptime() implementations have caused + problems in the past and the most recent offender seems to be + FreeBSD's libc (standards/173421).
  +
- +
  When filtering is enabled, let Range headers pass if the range + starts at the beginning. This should work around (or at least + reduce) the video playback issues with various Apple clients as + reported by Duc in #3426305.
  +
- +
  Do not confuse a client hanging up with a connection time out. + If a client closes its side of the connection without sending a + request line, do not send the CLIENT_CONNECTION_TIMEOUT_RESPONSE, + but report the condition properly.
  +
- +
  Allow closing curly braces as part of action values as long as + they are escaped.
  +
- +
  On Windows, the logfile is now written before showing the GUI + error message which blocks until the user acknowledges it. + Reported by Adriaan in #3593603.
  +
- +
  Remove an unreasonable parameter limit in the CGI interface. + The new parameter limit depends on the memory available and is + currently unlikely to be reachable, due to other limits in both + Privoxy and common clients. Reported by Andrew on + ijbswa-users@.
  +
- +
  Decrease the chances of parse failures after requests with + unsupported methods were sent to the CGI interface.
  +
+
+
Action file improvements:
+ +
- +
  Remove the comment that indicated that updated default.action + versions are released on their own.
  +
- +
  Block 'optimize.indieclick.com/' and + 'optimized-by.rubiconproject.com/'
  +
- +
  Unblock 'adjamblog.wordpress.com/' and + 'adjamblog.files.wordpress.com/'. Reported by Ryan Farmer in + #3496116.
  +
- +
  Unblock '/.*Bugtracker'. Reported by pwhk in #3522341.
  +
- +
  Add test URLs for '.freebsd.org' and '.watson.org'.
  +
- +
  Unblock '.urbandictionary.com/popular'.
  +
- +
  Block '.adnxs.com/'.
  +
- +
  Block 'farm.plista.com/widgetdata.php'.
  +
- +
  Block 'rotation.linuxnewmedia.com/'.
  +
- +
  Block 'reklamy.sfd.pl/'. Reported by kacperdominik in + #3399948.
  +
- +
  Block 'g.adspeed.net/'.
  +
- +
  Unblock 'websupport.wdc.com/'. Reported by Adam Piggot in + #3577851.
  +
- +
  Block '/openx/www/delivery/'.
  +
- +
  Disable fast-redirects for '.googleapis.com/'.
  +
- +
  Block 'imp.double.net/'. Reported by David Bo in #3070411.
  +
- +
  Block 'gm-link.com/' which is used for email tracking. + Reported by David Bo in #1812733.
  +
- +
  Verify that requests to "bwp." are blocked. URL taken from + #1736879 submitted by Francois Marier.
  +
- +
  Block '/.*bannerid='. Reported by Adam Piggott in + #2975779.
  +
- +
  Block 'cltomedia.info/delivery/' and '.adexprt.com/'. + Anonymously reported in #2965254.
  +
- +
  Block 'de17a.com/'. Reported by David Bo in #3061472.
  +
- +
  Block 'oskar.tradera.com/'. Reported by David Bo in + #3060596.
  +
- +
  Block '/scripts/webtrends\.js'. Reported by johnd16 in + #3002729.
  +
- +
  Block requests for 'pool.*.adhese.com/'. Reported by johnd16 + in #3002716.
  +
- +
  Update path pattern for Coremetrics and add tests. Pattern and + URLs submitted by Adam Piggott #3168443.
  +
- +
  Enable +fast-redirects{check-decoded-url} for 'tr.anp.se/'. + Reported by David Bo in #3268832.
  +
- +
  Unblock '.conrad.se/newsletter/banners/'. Reported by David Bo + in #3413824.
  +
- +
  Block '.tynt.com/'. Reported by Dan Stahlke in #3421767.
  +
- +
  Unblock '.bbci.co.uk/radio/'. Reported by Adam Piggott in + #3569603.
  +
- +
  Block requests to 'service.maxymiser.net/'. Reported by + johnd16 in #3118401 (with a previous URL).
  +
- +
  Disable fast-redirects for Google's "let's pretend your + computer is infected" page.
  +
- +
  Unblock '/.*download' to resolve actionsfile feedback + #3498129. Submitted by Steven Kolins (soundcloud.com not + working).
  +
- +
  Unblock '.wlxrs.com/' which is required by hotmail.com. Fixes + #3413827 submitted by David Bo.
  +
- +
  Add two unblock patterns for popup radio and TV players. + Submitted by Adam Piggott in #3596089.
  +
+
+
Filter file improvements & bug fixes:
+ +
- +
  Add a referer tagger.
  +
- +
  Reduce the likelihood that the google filter messes up + HTML-generating JavaScript. Reported by Zeno Kugy in + #3520260.
  +
+
+
Documentation improvements:
+ +
- +
  Revised all OS X sections due to new packaging module + (OSXPackageBuilder).
  +
- +
  Update the list of supported operating systems to clarify that + all Windows versions after 95 are expected to work and note that + the platform-specific code for AmigaOS and QNX currently isn't + maintained.
  +
- +
  Update 'Signals' section, the only explicitly handled signals + are SIGINT, SIGTERM and SIGHUP.
  +
- +
  Add Haiku to the list of operating systems on which Privoxy is + known to run.
  +
- +
  Add DragonFly to the list of BSDs on which Privoxy is known to + run.
  +
- +
  Removed references to redhat-specific documentation set since + it no longer exists.
  +
- +
  Removed references to building PDFs since we no longer do + so.
  +
- +
  Multiple listen-address directives are supported since 3.0.18, + correct the documentation to say so.
  +
- +
  Remove bogus section about long and short being preferable to + int.
  +
- +
  Corrected some Internet JunkBuster references to Privoxy.
  +
- +
  Removed references to www.junkbusters.com since it is no + longer maintained. Reported by Angelina Matson.
  +
- +
  Various grammar and spelling corrections
  +
- +
  Add a client-header-tagger{} example for disabling filtering + for range requests.
  +
- +
  Correct a URL in the "Privoxy with Tor" FAQ.
  +
- +
  Spell 'refresh-tags' correctly. Reported by Don in + #3571927.
  +
- +
  Sort manpage options alphabetically.
  +
- +
  Remove an incorrect sentence in the toggle section. The toggle + state doesn't affect whether or not the Windows version uses the + tray icon. Reported by Zeno Kugy in #3596395.
  +
- +
  Add new contributors since 3.0.19.
  +
+
+
Log message improvements:
+ +
- +
  When stopping to watch a client socket due to pipelining, + additionally log the socket number.
  +
- +
  Log the client socket and its condition before closing it. + This makes it more obvious that the socket actually gets closed + and should help when diagnosing problems like #3464439.
  +
- +
  In case of SOCKS5 failures, do not explicitly log the server's + response. It hasn't helped so far and the response can already be + logged by enabling "debug 32768" anyway. This reverts v1.81 and + the follow-up bug fix v1.84.
  +
- +
  Relocate the connection-accepted message from listen_loop() to + serve(). This way it's printed by the thread that is actually + serving the connection which is nice when grepping for thread ids + in log files.
  +
+
+
Code cleanups:
+ +
- +
  Remove compatibility layer for versions prior to 3.0 since it + has been obsolete for more than 10 years now.
  +
- +
  Remove the ijb_isupper() and ijb_tolower() macros from + parsers.c since they aren't used in this file.
  +
- +
  Removed the 'Functions declared include:' comment sections + since they tend to be incomplete, incorrect and out of date and + the benefit seems questionable.
  +
- +
  Various comment grammar and comprehensibility + improvements.
  +
- +
  Remove a pointless fflush() call in chat(). Flushing all + streams pretty much all the time for no obvious reason is + ridiculous.
  +
- +
  Relocate ijb_isupper()'s definition to project.h and get the + ijb_tolower() definition from there, too.
  +
- +
  Relocate ijb_isdigit()'s definition to project.h.
  +
- +
  Rename ijb_foo macros to privoxy_foo.
  +
- +
  Add malloc_or_die() which will allow to simplify code paths + where malloc() failures don't need to be handled gracefully.
  +
- +
  Add strdup_or_die() which will allow to simplify code paths + where strdup() failures don't need to be handled gracefully.
  +
- +
  Replace strdup() calls with strdup_or_die() calls where it's + safe and simplifies the code.
  +
- +
  Fix white-space around parentheses.
  +
- +
  Add missing white-space behind if's and the following + parentheses.
  +
- +
  Unwrap a memcpy() call in resolve_hostname_to_ip().
  +
- +
  Declare pcrs_get_delimiter()'s delimiters[] static const.
  +
- +
  Various optimisations to remove dead code and merge + inefficient code structures for improved clarity, performance or + code compactness.
  +
- +
  Various data type corrections.
  +
- +
  Change visibility of several code segments when compiling + without FEATURE_CONNECTION_KEEP_ALIVE enabled for clarity.
  +
- +
  In pcrs_get_delimiter(), do not use delimiters outside the + ASCII range. Fixes a clang complaint.
  +
- +
  Fix an error message in get_last_url() nobody is supposed to + see. Reported by Matthew Fischer in #3507301.
  +
- +
  Fix a typo in the no-zlib-support complaint. Patch submitted + by Matthew Fischer in #3507304.
  +
- +
  Shorten ssplit()'s prototype by removing the last two + arguments. We always want to skip empty fields and ignore leading + delimiters, so having parameters for this only complicates the + API.
  +
- +
  Use an enum for the type of the action value.
  +
- +
  Rename action_name's member takes_value to value_type as it + isn't used as boolean.
  +
- +
  Turn family mismatches in match_sockaddr() into fatal + errors.
  +
- +
  Let enlist_unique_header() verify that the caller didn't pass + a header containing either \r or \n.
  +
- +
  Change the hashes used in load_config() to unsigned int. + That's what hash_string() actually returns and using a + potentially larger type is at best useless.
  +
- +
  Use privoxy_tolower() instead of vanilla tolower() with manual + casting of the argument.
  +
- +
  Catch ssplit() failures in parse_cgi_parameters().
  +
+
+
Privoxy-Regression-Test:
+ +
- +
  Add an 'Overwrite condition' directive to skip any matching + tests before it. As it has a global scope, using it is more + convenient than clowning around with the Ignore directive.
  +
- +
  Log to STDOUT instead of STDERR.
  +
- +
  Include the Privoxy version in the output.
  +
- +
  Various grammar and spelling corrections in documentation and + code.
  +
- +
  Additional tests for range requests with filtering + enabled.
  +
- +
  Tests with mostly invalid range request.
  +
- +
  Add a couple of hide-if-modified-since{} tests with different + date formats.
  +
- +
  Cleaned up the format of the regression-tests.action file to + match the format of default.action.
  +
- +
  Remove the "Copyright" line from print_version(). When using + --help, every line of screen space matters and thus shouldn't be + wasted on things the user doesn't care about.
  +
+
+
Privoxy-Log-Parser:
+ +
- +
  Improve the --statistics performance by skipping sanity checks + for input that shouldn't affect the results anyway. Add a + --strict-checks option that enables some of the checks again, + just in case anybody cares.
  +
- +
  The distribution of client requests per connection is included + in the --statistic output.
  +
- +
  The --accept-unknown-messages option has been removed and the + behavior is now the default.
  +
- +
  Accept and (mostly) highlight new log messages introduced with + Privoxy 3.0.20.
  +
+
+
uagen:
+ +
- +
  Bump generated Firefox version to 17.
  +
+
+
GNUmakefile improvements:
+ +
- +
  The dok-tidy target no longer taints documents with a + tidy-mark
  +
- +
  Change RA_MODE from 0664 to 0644. Suggested by Markus Dittrich + in #3505445.
  +
- +
  Remove tidy's clean flag as it changes the scope of + attributes. Link-specific colors end up being applied to all + text. Reported by Adam Piggott in #3569551.
  +
- +
  Leave it up to the user whether or not smart tags are + inserted.
  +
- +
  Let w3m itself do the line wrapping for the config file. It + works better than fmt as it can honour pre tags causing less + unintentional line breaks.
  +
- +
  Ditch a pointless '-r' passed to rm to delete files.
  +
- +
  The config-file target now requires less manual intervention + and updates the original config.
  +
- +
  Change WDUMP to generate ASCII. Add WDUMP_UTF8 to allow UTF-8 + in the AUTHORS file so the names are right.
  +
- +
  Stop pretending that lynx and links are supported for the + documentation.
  +
+
+
configure improvements:
+ +
- +
  On Haiku, do not pass -lpthread to the compiler. Haiku's + pthreads implementation is contained in its system library, + libroot, so no additional library needs to be searched. Patch + submitted by Simon South in #3564815.
  +
- +
  Additional Haiku-specific improvements. Disable checks + intended for multi-user systems as Haiku is presently + single-user. Group Haiku-specific settings in their own section, + following the pattern for Solaris, OS/2 and AmigaOS. Add + additional library-related settings to remove the need for + providing configure with custom LDFLAGS. Submitted by Simon South + in #3574538.
  +
+

+ +

3.1. Note + to Upgraders

+ +

A quick list of things to be aware of before upgrading from earlier + versions of Privoxy:

+ +

+
The recommended way to upgrade Privoxy is to backup your old configuration + files, install the new ones, verify that Privoxy is working correctly and finally merge + back your changes using diff and + maybe patch.
+ +
There are a number of new features in each Privoxy 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 Privoxy isn't always possible anyway.
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Note that some installers remove earlier versions completely, + including configuration files, therefore you should really save any + important configuration files!
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On the other hand, other installers don't overwrite existing + configuration files, thinking you will want to do that + yourself.
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In the default configuration only fatal errors are logged now. + You can change that in the debug + section of the configuration file. You may also want to enable + more verbose logging until you verified that the new Privoxy version is working as expected.
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Three other config file settings are now off by default: + enable-remote-toggle, + enable-remote-http-toggle, + and enable-edit-actions. If you + use or want these, you will need to explicitly enable them, and be + aware of the security issues involved.
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