Restricting Access to specific web sites/keywords in squid
Squid is one of the most popular proxy server which can be employed to run on linux servers.
Let us see how to block accessing certain sites using Squid.
Step 1 » create a file named as ( /etc/squid/blockedsites.squid ) and insert the site names one per line.
Like;
[root@server ~]# cat /etc/squid/blockedsites.squid
#blocked sites
www.yahoomail.com
www.gmail.comStep 2 » Open the /etc/squid/squid.conf and create a new acl(Access Control List) ” blocksites” and acl type “dstdomain” in the acl section like the below .
Step 3 » Time to restart squid service
[root@server ~]# service squid restart
Restricting Access to specific keywords :
Step 1 » create a file ( /etc/squid/blockkeywords.squid ) and insert the keywords one per line.
[root@server ~]# cat /etc/squid/blockkeywords.squid
#blocked keywords
sex
porn
Step 2 » Open the /etc/squid/squid.conf and create a new acl(Access Control List) “blockkeywords” and acl type “url_regex” in the acl section.
# ACL blocksites
