Squid-3.1 is CONSIDERED DANGEROUS as the security people say. Due to unfixed vulnerabilities CVE-2014-7141, CVE-2014-7142, CVE-2014-6270, CVE-2014-3609, CVE-2014-0128, CVE-2009-0801 and any other recently discovered issues.
the Squid-3.1 series became DEPRECATED with the release of Squid-3.2 series
Released for production use.
The features have been set and code changes are reserved for later versions. Additions are limited to Security and Bug fixes
Basic new features in 3.1:
- Follow X-Forwarded-For support
- X-Forwarded-For options extended (truncate, delete, transparent)
- Peer-Name ACL
- Reply headers to external ACL.
- ICY (SHOUTcast) streaming protocol support
- Solaris /dev/poll support
Packages of squid 3.1 source code are available at http://www.squid-cache.org/Versions/v3/3.1/
See our Advisories list.
Squid-3.1 default config
From 3.1 a lot of configuration cleanups have been done to make things easier.
This minimal configuration does not work with versions earlier than 3.1 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 manager url_regex -i ^cache_object:// +i ^https?://[^/]+/squid-internal-mgr/ acl localhost src 127.0.0.1/32 ::1 acl to_localhost dst 127.0.0.0/8 0.0.0.0/32 ::1 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