Install Squid3 Proxy @ Ubuntu 12.04/14.04

Type(Type) 2013/5/2 19:39

1. Get/Install SQUID3

代碼:


$ sudo apt-get install squid3 
$ sudo service squid3 stop

2. Setup SQUID3 user password

代碼:


$ sudo htpasswd -c /etc/squid3/passwd <proxy-user-name>
$ sudo cat /etc/squid3/passwd    (To check if it created already)
$ sudo chmod 644 /etc/squid3/passwd

3. Find out NCSA_AUTH handle program location

代碼:


$ sudo dpkg -L squid3 | grep ncsa_auth
/usr/lib/squid3/ncsa_auth
or
/usr/lib/squid3/basic_ncsa_auth

4. Setup Basic auth_param

@ /etc/squid3/squid.conf
Search "Examples:", and umcomment "basic auth example"
replace ""
with "/usr/lib/squid3/ncsa_auth /etc/squid3/passwd"
or
with "/usr/lib/squid3/basic_ncsa_auth /etc/squid3/passwd"
代碼:


auth_param basic program /usr/lib/squid3/ncsa_auth /etc/squid3/passwd
or
auth_param basic program /usr/lib/squid3/basic_ncsa_auth /etc/squid3/passwd

auth_param basic children 5
auth_param basic realm Squid proxy-caching web server
auth_param basic credentialsttl 2 hours

5. Setup ACL

@ /etc/squid3/squid.conf

Search "And finally deny all"
Put these two ACL rules before that
代碼:


acl ncsa_auth_users proxy_auth REQUIRED
http_access allow ncsa_auth_users

6. (Optional) Do other setup/performance tuning

@ /etc/squid3/squid.conf

e.g. Make memory pool larger
代碼:


memory_pools_limit 64 MB

e.g. Skip X-Forwarded-For Header
代碼:


forwarded_for delete

8. Finally Startup the squid3

代碼:


$ sudo service squid3 restart

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