[squid-announce] Squid 3.4.11 is available

[Amos Jeffries]

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The Squid HTTP Proxy team is very pleased to announce the availability
of the Squid-3.4.11 release!


This release is a bug fix release resolving several issues found in
the prior Squid releases.


The major changes to be aware of:


* "Deleting first fs left psstate->servers pointing to uninitialized
memory"

This obscurely named bug takes the appearance of randomly appearing
high CPU consumption and hanging worker, less commonly a direct crash.
It is not the only cause of overly high CPU usage, but is the major
one now known about in 3.4 series.

This affects all Squid configured with a large number of peers or when
contacting domains with many advertised IP addresses (such as Google
or Facebook).


* Bug #3760: squidclient ignores --disable-ipv6

The squidclient tool would mysteriously attempt to use IPv6 and abort
regardless of IP version probles successfully detecting that protocol
being disabled.

It turns out that Squid has not been correctly filtering out IPv6
results presented by the operating system getaddrinfo() API in the
event that the administrator disabled IPv6 in Squid but not the
operating sytem.

This affects DNS resolution of all domain names when starting and
configuring Squid, but not for regular proxy operational DNS queries.


* Bug #4057: Avoid on-exit crashes when adaptation is enabled.

As the name describes, Squid 3.4.5 and later will crash when shutting
down (or reconfiguring) if adpatation is configued.


* Bug #3754: configure doesnt detect IPFilter 5.1.2 system headers

The Solaris 10 operating system broken IPFilter, both the one built
into Solaris 10 and the publicly available external sources for the tools.

This Squid release includes a hack to workaround that system breakage
and allow Squids part of the IPFilter mechanisms to build and work again.



 All users of Squid are urged to upgrade to this release as soon as
possible.


 See the ChangeLog for the full list of changes in this and earlier
 releases.

Please refer to the release notes at
http://www.squid-cache.org/Versions/v3/3.4/RELEASENOTES.html
when you are ready to make the switch to Squid-3.4

Upgrade tip:
  "squid -k parse" is starting to display even more
   useful hints about squid.conf changes.

This new release can be downloaded from our HTTP or FTP servers

 http://www.squid-cache.org/Versions/v3/3.4/
 ftp://ftp.squid-cache.org/pub/squid/
 ftp://ftp.squid-cache.org/pub/archive/3.4/

or the mirrors. For a list of mirror sites see

 http://www.squid-cache.org/Download/http-mirrors.html
 http://www.squid-cache.org/Download/mirrors.html

If you encounter any issues with this release please file a bug report.
http://bugs.squid-cache.org/


Amos Jeffries
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