Squid configuration file (for setting up proxy server)

squid.conf

# apt-get install squid apache2-utils
# htpasswd -c /etc/squid/.htpasswd user_name
# systemctl restart squid

acl CONNECT method CONNECT

# line 989: add follows for Basic auth
auth_param basic program /usr/lib/squid/basic_ncsa_auth /etc/squid/.htpasswd
auth_param basic children 5
auth_param basic realm Squid Basic Authentication
auth_param basic credentialsttl 55 hours
acl password proxy_auth REQUIRED
http_access allow password

# line 989: add (define ACL for internal)
acl all src all

# specify proxy port (default 3128)
http_port 31337


# line 5157: add follows
#request_header_access Referer deny all
#request_header_access X-Forwarded-For deny all
#request_header_access Via deny all
#request_header_access Cache-Control deny all

via off
forwarded_for off
follow_x_forwarded_for deny all
request_header_access X-Forwarded-For deny all
header_access X_Forwarded_For deny all

# line 5511: add hostname
visible_hostname abc

# forwarded_for on
# line 7625: add
#forwarded_for off

# cache off for all
cache deny all