<!doctype linuxdoc system>
<article>
-<title>Squid 3.4.0.0 release notes</title>
+<title>Squid 3.4.14 release notes</title>
<author>Squid Developers</author>
<abstract>
<sect>Notice
<p>
-The Squid Team are pleased to announce the release of Squid-3.4.0.0 for testing.
+The Squid Team are pleased to announce the release of Squid-3.4.14.
-This new release is available for download from <url url="http://www.squid-cache.org/Versions/v3/3.HEAD/"> or the
- <url url="http://www.squid-cache.org/Mirrors/http-mirrors.html" name="mirrors">.
+This new release is available for download from <url url="http://www.squid-cache.org/Versions/v3/3.4/"> or the
+ <url url="http://www.squid-cache.org/Download/http-mirrors.html" name="mirrors">.
-While this release is not deemed ready for production use, we believe it is ready for wider testing by the community.
+<p>Some interesting new features adding system flexibility have been added along with general improvements all around.
+ While this release is not fully bug-free we believe it is ready for use in production on many systems.
-We welcome feedback and bug reports. If you find a bug, please see <url url="http://wiki.squid-cache.org/SquidFaq/BugReporting">
+<p>We welcome feedback and bug reports. If you find a bug, please see <url url="http://wiki.squid-cache.org/SquidFaq/BugReporting">
for how to submit a report with a stack trace.
<sect1>Known issues
Although this release is deemed good enough for use in many setups, please note the existence of
<url url="http://bugs.squid-cache.org/buglist.cgi?query_format=advanced&product=Squid&bug_status=UNCONFIRMED&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&version=3.4" name="open bugs against Squid-3.4">.
-
<sect1>Changes since earlier releases of Squid-3.4
<p>
-The 3.4 change history can be <url url="http://www.squid-cache.org/Versions/v3/3.HEAD/changesets/" name="viewed here">.
+The 3.4 change history can be <url url="http://www.squid-cache.org/Versions/v3/3.4/changesets/" name="viewed here">.
+
<sect>Major new features since Squid-3.3
<p>Squid 3.4 represents a new feature release above 3.3.
<p>Arbitrary key-value pairs can be returned from any helper.
Allowing future helpers to be forward- and backward- compatible
- with this and future version of Squid.
+ with this and future versions of Squid.
<sect1>SSL Server Certificate Validator
affects which <em>refresh_pattern</em> directive will be matched.
<p>Store-ID helpers bundled with Squid can be built with the --enable-storeid-rewrite-helpers
- options which is added in this version. Currently there is a <em>file</em> helper
+ option which is added in this version. Currently there is a <em>file</em> helper
provided.
<sect1>Multicast DNS
-<p>The internal DNS component fof Squid now supports multicast DNS (mDNS) resolution in
+<p>The internal DNS component of Squid now supports multicast DNS (mDNS) resolution in
accordance with RFC 6762.
-<p>There is no additional or special configuration required. The multicast DNS group IP
- addresses for IPv4 and IPv6 resolving are added to the set of available DNS resolvers
- and used automatically for domain names ending in <em>.local</em> before attempting a
- secondary resolution on the configured resolvers. Domains without <em>.local</em> are
- resolved using only the configured DNS resolvers.
+<p>The <em>dns_multicast_local</em> directive must be set to <em>on</em> to enable this
+ feature.
+
+<p>The multicast DNS group IP addresses for IPv4 and IPv6 resolving are added to the set
+ of available DNS resolvers and used automatically for domain names ending in <em>.local</em>
+ and reverse-DNS lookups before attempting a secondary resolution on the configured
+ resolvers. Domains without <em>.local</em> are resolved using only the configured resolvers.
<p>Statistics for multicast DNS resolution can be found on the <em>idns</em> cache manager
report.
+<p><em>NOTE</em> that the external DNS helper interface is now deprecated and has been
+ removed from future Squid versions. Any installations still using it for local hostname
+ resolution need to upgrade to mDNS resolution with this Squid version.
+
<sect>Changes to squid.conf since Squid-3.3
<p>
<p>Squid supports reading configuration option parameters from external
files using the syntax <em>parameters("/path/filename")</em>. For example:
<verb>
- acl whitelist dstdomain parameters("/etc/squid/whitelist.txt")
+ acl allowlist dstdomain parameters("/etc/squid/allowlist.txt")
</verb>
-<p>There hasve also been changes to individual directives in the config file.
+<p>There have also been changes to individual directives in the config file.
This section gives a thorough account of those changes in three categories:
<descrip>
<tag>configuration_includes_quoted_values</tag>
<p>Whether Squid supports directive parameters with spaces, quotes, and other
- special characters. Surround such parameters with "double quotes".
+ special characters. Surround such parameters with "double quotes" and
+ also set this directive on/off around the relevant squid.conf line(s)
+ making use of such quoting.
+
+ <tag>dns_multicast_local</tag>
+ <p>Use multicast DNS for <em>.local</em> domains and reverse-DNS resolution.
<tag>note</tag>
<p>Use ACLs to annotate a transaction with customized annotations
<item>concurrency=N was previously called url_rewrite_concurrency as a distinct directive.
</itemize>
- <tag>storeurl_rewrite_program</tag>
+ <tag>store_id_rewrite_program</tag>
<p>A helper program to provide cache storage internal key ID value for a request.
<p>Ported equivalent to <em>storeurl_rewrite_program</em> from 2.7
<sect1>Removed tags<label id="removedtags">
<p>
<descrip>
+ <tag>log_access</tag>
+ <p>Removed. Use access_log with ACLs instead
+
+ <tag>log_icap</tag>
+ <p>Removed. Use icap_log with ACLs instead
+
<tag>storeurl_access</tag>
<p>Replaced by <em>store_id_access</em>.
omit to get all helper auto-detected.
<p>Currenly only a helper using <em>file</em> for backend is provided.
- <tag>--with-nat-pf</tag>
+ <tag>--disable-arch-native</tag>
+ <p>New option to disable use of -march=native compiler flag.
+ <p>The new flag auto-enables CPU-specific optimizations in GCC and is
+ required by Clang++ v3.2 for correct 64-bit environment detection.
+ It does not always work well however, so this build option is provided
+ to remove it when necessary.
+
+ <tag>--with-nat-devpf</tag>
<p>New option to alter the behaviour of <em>http_port ... intercept</em> option
in squid.conf.
<p>When this option is used Squid performs the /dev/pf lookups required to
the getsockname() API in recent PF versions require <em>--with-nat-devpf</em>
to re-enable /dev/pf support when using PF firewall.
+ <tag>--disable-translation</tag>
+ <p>Default changed to prevent translating error page templates during build.
+ Use --enable-translation to explicitly build and install the templates.
+ <p>The latest pre-translated templates can be downloaded from <url url="http://www.squid-cache.org/Versions/langpack/">
+
</descrip>
</p>
<tag>external_refresh_check</tag>
<p>Not yet ported from 2.7
- <tag>ignore_ims_on_miss</tag>
- <p>Not yet ported from 2.7
-
<tag>location_rewrite_access</tag>
<p>Not yet ported from 2.6
</descrip>
+<sect>Copyright
+<p>
+Copyright (C) 1996-2021 The Squid Software Foundation and contributors
+<p>
+Squid software is distributed under GPLv2+ license and includes
+contributions from numerous individuals and organizations.
+Please see the COPYING and CONTRIBUTORS files for details.
+
</article>
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