Squid 3.2

The features have been set and large code changes are reserved for later versions.

Additions are limited to:

• Security fixes
• Stability fixes
• small optimizations

Features Ported from 2.7 in this release:

• Unique Sequence numbering for access.log lines

• Features/LogModules (including log daemon module)

• Cache-Control: stale-if-error handling and other staleness limits.

• acl urllogin type (available from 3.2.4)

Basic new features in 3.2:

• Fully transparent credential pass-thru to cache_peer

• Kerberos login to cache_peer

• Full HTTP/1.1 Support

• TProxy v4.1+ support for IPv6

• Dynamic URL generation for deny_info redirects

• Multi-Lingual FTP directory listings
• Multi-Lingual proxy configuration splash pages for captive portals

• Surrogate 1.0 protocol support

• SMP Scaling worker processes

• ''rock'' SMP shared memory cache with disk backing

• Helpers started on-demand instead of delaying startup and reconfigure process

• Multiplexer to add concurrency support for older helpers

• New helpers to demo url_rewrite_program programs

• New helper to lookup Kerberos or NTLM group via LDAP
• New helper to de-mux Negotiate/NTLM and Negotiate/Kerberos authentication

• Purge tool to manage UFS/AUFS/DiskD caches bundled

• EUI (MAC address) logging and external ACL handling

• Features/AclRandom

• Features/EDNS

• Features/LogDnsWait

• IPv6 support for TCP split-stack

Packages of squid 3.2 source code are available at http://www.squid-cache.org/Versions/v3/3.2/

Security Advisories

See our Advisories list.

Open Bugs

• Major or higher Bugs currently affecting this release.

  • Bugs against any older version can be closed if found fixed in 3.2.
  • Bugs inherited from older versions are not necessarily blockers on 3.2 stable.

Squid-3.2 default config

From 3.2 further configuration cleanups have been done to make things easier and safer. The manager, localhost, and to_localhost ACL definitions are now built-in.

• This minimal configuration does not work with versions earlier than 3.2 which are missing special cleanup done to the code.

http_port 3128

refresh_pattern ^ftp:           1440    20%     10080
refresh_pattern ^gopher:        1440    0%      1440
refresh_pattern -i (/cgi-bin/|\?) 0     0%      0
refresh_pattern .               0       20%     4320

acl localnet src 10.0.0.0/8     # RFC 1918 possible internal network
acl localnet src 172.16.0.0/12  # RFC 1918 possible internal network
acl localnet src 192.168.0.0/16 # RFC 1918 possible internal network
acl localnet src fc00::/7       # RFC 4193 local private network range
acl localnet src fe80::/10      # RFC 4291 link-local (directly plugged) machines

acl SSL_ports port 443

acl Safe_ports port 80          # http
acl Safe_ports port 21          # ftp
acl Safe_ports port 443         # https
acl Safe_ports port 70          # gopher
acl Safe_ports port 210         # wais
acl Safe_ports port 1025-65535  # unregistered ports
acl Safe_ports port 280         # http-mgmt
acl Safe_ports port 488         # gss-http
acl Safe_ports port 591         # filemaker
acl Safe_ports port 777         # multiling http
acl CONNECT method CONNECT

http_access allow manager localhost
http_access deny manager
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow localhost
http_access allow localnet
http_access deny all