====== Squid ======

===== Install =====

<code bash>
pkg install squid
pkg install htdigest
sysrc squid_enable="YES"
</code>

===== Auth =====
There are two ways to specify the password auth, ''htdigest'' or ''htpasswd''.

**htdigest**

''/usr/local/etc/squid/squid.conf''
<code>
auth_param basic program /usr/local/libexec/squid/basic_ncsa_auth /usr/local/etc/squid/password
auth_param basic realm proxy
auth_param basic casesensitive
</code>

<code bash>
apache-htdigest -c /usr/local/etc/squid/password realm username
# or htdigest if apache-htdigest is not found
</code>

<code bash>
php -a
echo 'user': . crypt('password', base64_encode('password'));
</code>

**htpasswd**

''/usr/local/etc/squid/squid.conf''
<code>
auth_param digest realm proxy
auth_param digest program /usr/local/libexec/squid/digest_file_auth -c /usr/local/etc/squid/password
</code>

<code bash>
htpasswd -c /usr/local/etc/squid/password username
</code>

===== ACL =====
''/usr/local/etc/squid/squid.conf''
<code>
acl users proxy_auth REQUIRED
acl ncku src 140.116.0.0/16
http_access deny !ncku
http_access allow users
http_port 3128
</code>

===== Check config =====

<code bash>
squid -f /usr/local/etc/squid/squid.conf -k parse
</code>

===== Start service =====

<code bash>
service squid start
</code>