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-
<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 3.0.22</span> stable is mainly a
- bug-fix release, it also has a couple of new features, though. Note that
- the first two entries in the ChangeLog below refer to security
- issues:</p>
-
+ <h1 class="SECT1"><a name="WHATSNEW" id="WHATSNEW">3. What's New in this Release</a></h1>
+ <p><span class="APPLICATION">Privoxy 3.0.27</span> stable scales better in multi-user environments and brings a
+ couple of tuning directives. <span class="APPLICATION">Privoxy 3.0.28</span> stable fixes two regressions
+ introduced in 3.0.27.</p>
+ <p>Changes in <span class="APPLICATION">Privoxy 3.0.28</span> stable:</p>
<ul>
<li>
- <p>Bug fixes:</p>
-
+ <p>Bug fixes for regressions in 3.0.27:</p>
<ul>
<li>
- <p>Fixed a memory leak when rejecting client connections due to
- the socket limit being reached (CID 66382). This affected Privoxy
- 3.0.21 when compiled with IPv6 support (on most platforms this is
- the default).</p>
+ <p>Fixed misplaced parentheses. Reported by David Binderman.</p>
</li>
-
<li>
- <p>Fixed an immediate-use-after-free bug (CID 66394) and two
- additional unconfirmed use-after-free complaints made by Coverity
- scan (CID 66391, CID 66376).</p>
+ <p>Changed two regression tests to depend on config directive enable-remote-toggle instead of
+ FEATURE_TOGGLE.</p>
</li>
-
+ </ul>
+ </li>
+ </ul>
+ <p>Changes in <span class="APPLICATION">Privoxy 3.0.27</span> stable:</p>
+ <ul>
+ <li>
+ <p>General improvements:</p>
+ <ul>
<li>
- <p>Actually show the FORCE_PREFIX value on the show-status
- page.</p>
+ <p>Add a receive-buffer-size directive which can be used to set the size of the previously statically
+ allocated buffer in handle_established_connection(). Increasing the buffer size increases Privoxy's memory
+ usage but can lower the number of context switches and thereby reduce the CPU usage and potentially
+ increase the throughput. This is mostly relevant for fast network connections and large downloads that
+ don't require filtering. Sponsored by: Robert Klemme</p>
</li>
-
<li>
- <p>Properly deal with Keep-Alive headers with timeout= parameters
- If the timeout still can't be parsed, use the configured timeout
- instead of preventing the client from keeping the connection
- alive. Fixes #3615312/#870 reported by Bernard Guillot.</p>
+ <p>Add a listen-backlog directive which specifies the backlog value passed to listen(). Sponsored by:
+ Robert Klemme</p>
</li>
-
<li>
- <p>Not using any filter files no longer results in warning
- messages unless an action file is referencing header taggers or
- filters. Reported by Stefan Kurtz in #3614835.</p>
+ <p>Add an enable-accept-filter directive which allows to toggle accept filter support at run time when
+ compiled with FEATURE_ACCEPT_FILTER support. It makes testing more convenient and now that it's optional we
+ can emit an error message if enabling the accept filter fails. Sponsored by: Robert Klemme</p>
</li>
-
<li>
- <p>Fixed a bug that prevented Privoxy from reusing some reusable
- connections. Two bit masks with different purpose unintentionally
- shared the same bit.</p>
+ <p>Add a delay-response{} action. This is useful to tar pit JavaScript requests that are endlessly retried
+ in case of blocks. It can also be used to simulate a slow Internet connection. Sponsored by: Robert
+ Klemme</p>
</li>
-
<li>
- <p>A couple of additional bugs were discovered by Coverity Scan.
- The fixes that are not expected to affect users are not
- explicitly mentioned here, for details please have a look at the
- CVS logs.</p>
+ <p>Add a 'trusted-cgi-referrer' directive. It allows to configure another page or site that can be used to
+ reach sensitive CGI resources. Sponsored by: Robert Klemme</p>
</li>
- </ul>
- </li>
-
- <li>
- <p>General improvements:</p>
-
- <ul>
<li>
- <p>Introduced negative tag patterns NO-REQUEST-TAG and
- NO-RESPONSE-TAG. They apply if no matching tag is found after
- parsing client or server headers.</p>
+ <p>Add a --fuzz mode which exposes Privoxy internals to input from files or stdout. Mainly tested with
+ American Fuzzy Lop. For details see: https://www.fabiankeil.de/talks/fuzzing-on-freebsd/ This work was
+ partially funded with donations and done as part of the Privoxy month in 2015.</p>
</li>
-
<li>
- <p>Add support for external filters which allow to process the
- response body with a script or program written in any language
- the platform supports. External filters are enabled with
- +external-filter{} after they have been defined in one of the
- filter files with a header line starting with "EXTERNAL-FILTER:".
- External filter support is experimental, not compiled by default
- and known not to work on all platforms.</p>
+ <p>Consistently use the U(ngreedy) flag in the 'img-reorder' filter.</p>
</li>
-
<li>
- <p>Add support for the 'PATCH' method as defined in RFC5789.</p>
+ <p>listen_loop(): Reuse a single thread attribute object The object doesn't change and creating a new one
+ for every thread is a waste of (CPU) time. Sponsored by: Robert Klemme</p>
</li>
-
<li>
- <p>Reject requests with unsupported Expect header values. Fixes a
- couple of Co-Advisor tests.</p>
+ <p>Free csp resources in the thread that belongs to the csp instead of the main thread which has enough on
+ its plate already. Sponsored by: Robert Klemme</p>
</li>
-
<li>
- <p>Normalize the HTTP-version in forwarded requests and
- responses. This is an explicit RFC 2616 MUST and RFC 7230
- mandates that intermediaries send their own HTTP-version in
- forwarded messages.</p>
+ <p>Improve 'socket timeout reached' message. Log the timeout that was triggered and downgrade the log level
+ to LOG_LEVEL_CONNECT to reduce the log noise with common debug settings. The timeout isn't necessary the
+ result of an error and usually merely indicates that Privoxy's socket timeout is lower than the relevant
+ timeouts used by client and server. Sponsored by: Robert Klemme</p>
</li>
-
<li>
- <p>Server 'Keep-Alive' headers are no longer forwarded. From a
- user's point of view it doesn't really matter, but RFC 2616
- (obsolete) mandates that the header is removed and this fixes a
- Co-Advisor complaint.</p>
+ <p>Explicitly taint the server socket in case of CONNECT requests. This doesn't fix any known problems, but
+ makes some log messages less confusing.</p>
</li>
-
<li>
- <p>Change declared template file encoding to UTF-8. The templates
- already used a subset of UTF-8 anyway and changing the
- declaration allows to properly display UTF-8 characters used in
- the action files. This change may require existing action files
- with ISO-8859-1 characters that aren't valid UTF-8 to be
- converted to UTF-8. Requested by Sam Chen in #582.</p>
+ <p>Let write_pid_file() terminate if the pid file can't be opened. Logging the issue at info level is
+ unlikely to help.</p>
</li>
-
<li>
- <p>Do not pass rejected keep-alive timeouts to the server. It
- might not have caused any problems (we know of), but doing the
- right thing shouldn't hurt either.</p>
+ <p>log_error(): Reduce the mutex-protected area by not using a heap-allocated buffer that is shared between
+ all threads. This increases performance and reduces the latency with verbose debug settings and multiple
+ concurrent connections. Sponsored by: Robert Klemme</p>
</li>
-
<li>
- <p>Let log_error() use its own buffer size #define to make
- changing the log buffer size slightly less inconvenient.</p>
+ <p>Let zalloc() use calloc() if it's available. In some situations using calloc() can be faster than
+ malloc() + memset() and it should never be slower. In the real world the impact of this change is not
+ expected to be noticeable. Sponsored by: Robert Klemme</p>
</li>
-
<li>
- <p>Turned single-threaded into a "proper" toggle directive with
- arguments.</p>
+ <p>Never use select() when poll() is available. On most platforms select() is limited by FD_SETSIZE while
+ poll() is not. This was a scaling issue for multi-user setups. Using poll() has no downside other than the
+ usual risk that code modifications may introduce new bugs that have yet to be found and fixed. At least in
+ theory this commit could also reduce the latency when there are lots of connections and select() would use
+ "bit fields in arrays of integers" to store file descriptors. Another side effect is that Privoxy no longer
+ has to stop monitoring the client sockets when pipelined requests are waiting but can't be read yet. This
+ code keeps the select()-based code behind ifdefs for now but hopefully it can be removed soonish to make
+ the code more readable. Sponsored by: Robert Klemme</p>
</li>
-
<li>
- <p>CGI templates no longer enforce new windows for some
- links.</p>
+ <p>Add a 'reproducible-tarball-dist' target. It's currently separate from the "tarball-dist" target because
+ it requires a tar implementation with mtree spec support. It's far from being perfect and does not enforce
+ a reproducible mode, but it's better than nothing.</p>
</li>
-
<li>
- <p>Remove an undocumented workaround ('HOST' header removal) for
- an Apple iTunes bug that according to #729900 got fixed in
- 2003.</p>
+ <p>Use arc4random() if it's available. While Privoxy doesn't need high quality pseudo-random numbers
+ there's no reason not to use them when we can and this silences a warning emitted by code checkers that
+ can't tell whether or not the quality matters.</p>
</li>
- </ul>
- </li>
-
- <li>
- <p>Action file improvements:</p>
-
- <ul>
<li>
- <p>The pattern 'promotions.' is no longer being blocked. Reported
- by rakista in #3608540.</p>
+ <p>Show the FEATURE_EXTERNAL_FILTERS status on the status page. Better late than never. Previously a couple
+ of tests weren't executed as Privoxy-Regression-Test couldn't detect that the FEATURE_EXTERNAL_FILTERS
+ dependency was satisfied.</p>
</li>
-
<li>
- <p>Disable fast-redirects for .microsofttranslator.com/.</p>
+ <p>Ditch FEATURE_IMAGE_DETECT_MSIE. It's an obsolete workaround we inherited from Junkbuster and was
+ already disabled by default. Users that feel the urge to work around issues with image requests coming from
+ an Internet Explorer version from more than 15 years ago can still do this using tags.</p>
</li>
-
<li>
- <p>Disable filter{banners-by-size} for
- .dgb-tagungszentren.de/.</p>
+ <p>Consistently use strdup_or_die() instead of strdup() in cases where allocation failures aren't expected.
+ Using strdup_or_die() allows to remove a couple of explicit error checks which slightly reduces the size of
+ the binary.</p>
</li>
-
<li>
- <p>Add adn.speedtest.net as a site-specific unblocker. Support
- request #3612908.</p>
+ <p>Insert a refresh tag into the /client-tags CGI page when serving it while a client-specific tag is
+ temporarily enabled. This makes it less likely that the user ends up looking at tag state that is out of
+ date.</p>
</li>
-
<li>
- <p>Disable filter{banners-by-size} for creativecommons.org/.</p>
+ <p>Use absolute URLs in the client-tag forms. It's more consistent with the rest of the CGI page URLs and
+ makes it more convenient to copy the forms to external pages.</p>
</li>
-
<li>
- <p>Block requests to data.gosquared.com/. Reported by cbug in
- #3613653.</p>
+ <p>cgi_error_disabled(): Use status code 403 and an appropriate response line</p>
</li>
-
<li>
- <p>Unblock .conrad./newsletter/. Reported by David Bo in
- #3614238.</p>
+ <p>Use a dedicated CGI handler to deal with tag-toggle requests As a result the /client-tags page is now
+ safe to reach without trusted Referer header which makes bookmarking or linking to it more convenient.
+ Finally, refreshing the /client-tags page to show the current state can no longer unintentionally repeat
+ the previous toggle request.</p>
</li>
-
<li>
- <p>Unblock .bundestag.de/.</p>
+ <p>Don't add a "Connection" header for CONNECT requests. Explicitly sending "Connection: close" is not
+ necessary and apparently it causes problems with some forwarding proxies that will close the connection
+ prematurely. Reported by Marc Thomas.</p>
</li>
-
<li>
- <p>Unblock .rote-hilfe.de/.</p>
+ <p>Fix compiler warnings.</p>
+ </li>
+ </ul>
+ </li>
+ <li>
+ <p>Bug fixes:</p>
+ <ul>
+ <li>
+ <p>rfc2553_connect_to(): Properly detect and log when poll() reached the time out. Previously this was
+ logged as: Could not connect to [...]: No error: 0. which isn't very helpful. Sponsored by: Robert
+ Klemme</p>
</li>
-
<li>
- <p>Disable fast-redirects for .facebook.com/plugins/like.php.</p>
+ <p>add_tag_for_client(): Set time_to_live properly. Previously the time_to_live was always set for the
+ first tag. Attempts to temporarily enable a tag would result in enabling it permanently unless no tag was
+ enabled already.</p>
</li>
-
<li>
- <p>Unblock Stackexchange popup URLs that aren't used to serve
- ads. Reported by David Wagner in #3615179.</p>
+ <p>Revert r1.165 which didn't perform as advertised. While the idea was to use "https:// when creating
+ links for the user manual on the website", the actual effect was to use "https://" when Privoxy was
+ supposed to serve the user manual itself. Reported by Yossi Zahn on Privoxy-devel@.</p>
</li>
-
<li>
- <p>Disable fast-redirects for creativecommons.org/.</p>
+ <p>socks5_connect(): Fail in case of unsupported address types. Previously they would not be detected right
+ away and Privoxy would fail later on with an error message that didn't make it obvious that the problem was
+ socks-related. So far, no such problems have actually been reported.</p>
</li>
-
<li>
- <p>Unblock .stopwatchingus.info/.</p>
+ <p>socks5_connect(): Properly deal with socks replies that contain IPv6 addresses. Previously parts of the
+ reply were left unread and later on treated as invalid HTTP response data. Fixes #904 reported by Danny
+ Goossen who also provided the initial version of this patch.</p>
</li>
-
+ </ul>
+ </li>
+ <li>
+ <p>Action file improvements:</p>
+ <ul>
<li>
- <p>Block requests for .adcash.com/script/. Reported by
- Tyrexionibus in #3615289.</p>
+ <p>Unblock 'msdn.microsoft.com/'. It (presumably) isn't used to serve the kind of ads Privoxy should block
+ by default but happens to serve lots of pages with URLs that are likely to result in false positives.
+ Reported by bugreporter1694 in AF#939.</p>
</li>
-
<li>
- <p>Disable HTML filters if the response was tagged as JavaScript.
- Filtering JavaScript code with filters intended to deal with HTML
- is usually a waste of time and, more importantly, may break
- stuff.</p>
+ <p>Disable gif deanimation for requests tagged with CSS-REQUEST. The action will ignore content that isn't
+ considered text anyway and explicitly disabling it makes this more obvious if "action" debugging (debug
+ 65536) is enabled while "gif deanimation" debugging (debug 256) isn't.</p>
</li>
-
<li>
- <p>Use a custom redirect{} for
- .washingtonpost.com/wp-apps/imrs\.php\?src= Previously enabling
- the 'Advanced' settings (or manually enabling +fast-redirects{})
- prevented some images from being loaded properly.</p>
+ <p>Explicitly disable HTML filters for requests with CSS-REQUEST tag. The filters are unlikely to break CSS
+ files but executing them without (intentionally) getting any hits is a waste of cpu time and makes the log
+ more noisy when running with "debug 64".</p>
</li>
-
<li>
- <p>Unblock "adina*." Fixes #919 reported by Morton A.
- Goldberg.</p>
+ <p>Unblock 'adventofcode.com/'. Reported by Clint Adams in Debian bug #848211. Fixes Roland's AF#937.</p>
</li>
-
<li>
- <p>Block '/.*DigiAd'.</p>
+ <p>Unblock 'adlibris.com'. Reported by Wyrex in #935</p>
</li>
-
<li>
- <p>Unblock 'adele*.'. Reported by Adele Lime in #1663.</p>
+ <p>Unblock .golang.org/</p>
</li>
-
<li>
- <p>Disable banners-by-size for kggp.de/.</p>
+ <p>Add fast-redirects exception for '.youtube.com/.*origin=http'</p>
</li>
</ul>
</li>
-
<li>
- <p>Filter file improvements & bug fixes:</p>
-
+ <p>Privoxy-Log-Parser:</p>
<ul>
<li>
- <p>Decrease the chances that js-annoyances creates invalid
- JavaScript. Submitted by John McGowan on ijbswa-users@.</p>
+ <p>Don't gather host and resource statistics if they aren't requested. While the performance impact seems
+ negligible this significantly reduces the memory usage if there are lots of requests.</p>
</li>
-
<li>
- <p>Let the msn filter hide 'related' ads again.</p>
+ <p>Bump version as the behaviour (slightly) changed.</p>
</li>
-
<li>
- <p>Remove a stray '1' in the 'html-annoyances' filter.</p>
+ <p>Count connection failures as well in statistics mode. Sponsored by: Robert Klemme</p>
</li>
-
<li>
- <p>Prevent img-reorder from messing up img tags with empty src
- attributes. Fixes #880 reported by Duncan.</p>
+ <p>Count connection timeouts as well in statistics mode. Sponsored by: Robert Klemme</p>
+ </li>
+ <li>
+ <p>Fix an 'uninitialized value' warning when generating statistics for a log file without response headers.
+ While privoxy-log-parser was supposed to detect this already, the check was flawed and the message the user
+ didn't see was somewhat confusing anyway. Now the message is less confusing, more helpful and actually
+ printed. Reported by: Robert Klemme</p>
</li>
</ul>
</li>
-
<li>
<p>Documentation improvements:</p>
-
<ul>
<li>
- <p>Updated the 'Would you like to donate?' section.</p>
- </li>
-
- <li>
- <p>Note that invalid forward-override{} parameter syntax isn't
- detected until the parameter is used.</p>
+ <p>Refer to the git sources instead of CVS.</p>
</li>
-
<li>
- <p>Add another +redirect{} example: a shortcut for illumos
- bugs.</p>
+ <p>Use GNU/Linux when referring to the OS instead of the kernel.</p>
</li>
-
<li>
- <p>Make it more obvious that many operating systems support log
- rotation out of the box.</p>
+ <p>Add FAQ entry for what to do if editing the config file is access denied.</p>
</li>
-
<li>
- <p>Fixed dead links. Reported by Mark Nelson in #3614557.</p>
+ <p>Add brief HTTP/2 FAQ.</p>
</li>
-
<li>
- <p>Rephrased the 'Why is the configuration so complicated?'
- answer to be slightly less condescending. Anonymously suggested
- in #3615122.</p>
+ <p>Add a small fuzzing section to the developer documentation.</p>
</li>
-
<li>
- <p>Be more explicit about accept-intercepted-requests's lack of
- MITM support.</p>
+ <p>Add a client-header-tagger{client-ip-address} example.</p>
</li>
-
<li>
- <p>Make 'demoronizer' FAQ entries more generic.</p>
+ <p>Stop suggesting that Privoxy is an anonymizing proxy. The term could lead to Privoxy users
+ overestimating what it can do on its own (without Tor).</p>
</li>
-
<li>
- <p>Add an example hostname to the --pre-chroot-nslookup
- description.</p>
+ <p>Make it more obvious that SPI accepts Paypal, too. Currently most donations are made through the Paypal
+ account managed by Zwiebelfreunde e.V. and a more even distribution would be useful.</p>
</li>
-
<li>
- <p>Add an example for a host pattern that matches an IP
- address.</p>
+ <p>Suggest to log applying actions as well when reproducing problems.</p>
</li>
-
<li>
- <p>Rename the 'domain pattern' to 'host pattern' as it may
- contain IP addresses as well.</p>
+ <p>Explicitly mention that Privoxy binaries are built by individuals on their own systems. Buyer
+ beware!</p>
</li>
-
<li>
- <p>Recommend forward-socks5t when using Tor. It seems to work
- fine and modifying the Tor configuration to profit from it hasn't
- been necessary for a while now.</p>
+ <p>Mention the release feed on the homepage.</p>
</li>
-
<li>
- <p>Add another redirect{} example to stress that redirect loops
- can and should be avoided.</p>
+ <p>Remove a mysterious comment with a GNU FDL link as it isn't useful and could confuse license scanners.
+ In May 2002 it was briefly claimed that "this document" was covered by the GNU FDL. The commit message
+ (r1.5) doesn't explain the motivation or whether all copyright holders were actually asked and agreed to
+ the declared license change. It's thus hard to tell whether or not the license change was legit, but
+ luckily two days later the "doc license" was "put" "back to GPL" anyway (r1.6). At the same time the
+ offending comment with a link to the FDL (not the GPL) was added for no obvious reason. Now it's gone
+ again.</p>
</li>
-
+ </ul>
+ </li>
+ <li>
+ <p>Regression tests:</p>
+ <ul>
<li>
- <p>The usual spelling and grammar fixes. Parts of them were
- reported by Reuben Thomas in #3615276.</p>
+ <p>Bump for-privoxy-version to 3.0.27 as we now rely on untrusted CGI request being rejected with status
+ code 403 (instead of 200).</p>
</li>
-
<li>
- <p>Mention the PCRS option letters T and D in the filter
- section.</p>
+ <p>Update test for /send-stylesheet and add another one</p>
</li>
-
+ </ul>
+ </li>
+ <li>
+ <p>Templates:</p>
+ <ul>
<li>
- <p>Clarify that handle-as-empty-doc-returns-ok is still useful
- and will not be removed without replacement.</p>
+ <p>Consistently use https:// when linking to the Privoxy website.</p>
</li>
-
<li>
- <p>Note that security issues shouldn't be reported using the bug
- tracker.</p>
+ <p>Remove SourceForge references in Copyright header.</p>
</li>
-
<li>
- <p>Clarify what Privoxy does if both +block{} and +redirect{}
- apply.</p>
+ <p>Remove a couple of SourceForge references in a comment. While at it, fix the grammar.</p>
</li>
-
<li>
- <p>Removed the obsolete bookmarklets section.</p>
+ <p>Move the site-specific documentation block before the generic one. While most Privoxy installations
+ don't have a site-specific documentation block, in cases were it exists it's likely to be more relevant
+ than the generic one. Showing it first makes it less likely that users stop reading before they reach it,
+ especially on pages that don't fit on the screen.</p>
</li>
</ul>
</li>
-
<li>
<p>Build system improvements:</p>
-
<ul>
<li>
- <p>Let --with-group properly deal with secondary groups. Patch
- submitted by Anatoly Arzhnikov in #3615187.</p>
+ <p>Prefer openjade to jade. On some systems Jade produces HTML with unescaped ampersands in URLs.</p>
</li>
-
<li>
- <p>Fix web-actions target.</p>
+ <p>Prefer OpenSP to SP to be consistent.</p>
</li>
-
<li>
- <p>Add a web-faq target that only updates the FAQ on the
- webserver.</p>
+ <p>Have Docbook generated HTML files be straight ASCII. Dealing with a mixture of ISO-8859 and UTF-8 files
+ is problematic.</p>
</li>
-
<li>
- <p>Remove already-commented-out non-portable DOSFILTER
- alternatives.</p>
+ <p>Echo the filename to stderr for 'make dok-tidy'. Make it a bit easier to find errors in docbook
+ generated HTML.</p>
</li>
-
<li>
- <p>Remove the obsolete targets dok-put and dok-get.</p>
+ <p>Warn when still using select().</p>
</li>
-
<li>
- <p>Add a sf-shell target.</p>
+ <p>Warn when compiling without calloc().</p>
+ </li>
+ <li>
+ <p>Make it more obvious that the --with-fdsetsize configure switch is pointless if poll() is available.</p>
+ </li>
+ <li>
+ <p>Remove support for AmigaOS.</p>
+ </li>
+ <li>
+ <p>Update windows build system to use supported software. The cygwin gcc -mno-cygwin option is no longer
+ supported, so convert the windows build system to use the cygwin cross-compiler to build "native" code.</p>
</li>
- </ul>
- </li>
- </ul>
-
- <ul>
- <li>
- <p>Known bugs:</p>
-
- <ul>
<li>
- <p>To compile with --disable-force you need <a href=
- "http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/project.h?r1=1.208&r2=1.209&view=patch"
- target="_top">this patch</a> which didn't make it into the
- release. Thanks to Kai Raven for the report.</p>
+ <p>Add --enable-static-linking option for configure does the same thing as LDFLAGS=-static; ./configure but
+ nicer than mixing evars and configure options.</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>
-
+ <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=
+ <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>
+ <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>
+ <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>
+ <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>
+ <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">
+ <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>
+ <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>
+ <td width="33%" align="right" valign="top">Quickstart to Using Privoxy</td>
</tr>
</table>
</div>
projects / privoxy.git / blobdiff