[squid-users] Squid 3.1.9 is available

From: Amos Jeffries <squid3_at_treenet.co.nz>
Date: Mon, 01 Nov 2010 19:34:59 +1300

The Squid HTTP Proxy team is very pleased to announce the
availability of the Squid-3.1.9 release!

This release brings a long list of bug fixes and some further HTTP/1.1
improvements into 3.1.

Several small memory leaks have been found and fixed in the Netdb, DNS,
ICAP, ICY, and HTTPS protocol handling. The leaks are very small but
accumulate per request. Production sites with a lot of traffic and/or
long proxy uptimes may find an upgrade to this release helps with
long-term memory usage.

Strange warnings about LFS (large file support) in the cache during
startup have been tracked down to an error in the swap.state journal
upgrade process causing false warnings. This release fixes the upgrade
and silences resolves the warnings.

Several crashes during helper failure recovery, ICAP failure recovery,
and the old dnsserver have been resolved.

Several Solaris problems are resolved with most notable being /dev/poll
support ported from 2.7. Thanks to BBC (UK) and Seimens (UK) for their
sponsorship there.

HTTP/1.1 support has also had a few more improvements:
   - delete Warnings that have warning-date different from Date
   - do not remove ETag header from partial responses
   - make date parser stricter to better handle malformed Expires
   - improve age calculation
   - reply with a 504 error if required validation fails
   - add appropriate Warnings if serving a stale hit
   - support requests with Cache-Control: min-fresh
   - do not cache replies to requests with Cache-Control: no-store

See the ChangeLog for the list of other minor changes in this release.

All users of older Squid are encouraged to upgrade as time permits.

Please refer to the release notes at
if and when you are ready to make the switch to Squid-3.1

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


or the mirrors. For a list of mirror sites see


If you encounter any issues with this release please file a bug report.

Amos Jeffries
Received on Mon Nov 01 2010 - 06:35:10 MDT

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