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i want to block a URL from squid

i m running Red hat enterprise linux EL core4, i want to block a URL for my clients. kindly help me to place a access control list.
thanks

You can do this with regular expressions or destination domain lists (and probably other ways as well). A short example would be:

Code:

acl Cooking1 url_regex cooking

acl Recipe1 url_regex recipe

acl myclients src 172.16.5.0/24

http_access deny Cooking1

http_access deny Recipe1

http_access allow myclients

http_access deny all

I suggest having a look through the the following to get more info:
http://wiki.squid-cache.org/SquidFaq
http://www.linuxhomenetworking.com/linux-adv/squid.htm

I like block different users different sites

Example I have 3 user list and 3 file with block site names

acl group1 src 192.168.0.2 192.168.0.3 192.168.0.4/24
acl group2 src 192.168.0.5 192.168.0.6 192.168.0.7/24
acl group3 src 192.168.0.8 192.168.0.9 192.168.0.10/24

and

acl blocksites1 url_regex -i "/etc/squid/block1.txt"
acl blocksites2 url_regex -i "/etc/squid/block2.txt"
acl blocksites3 url_regex -i "/etc/squid/block3.txt"

I like block blocksites1 for group1, blocksites2 for group2,
blocksites3 for group3,

help me please

Quote:

Originally Posted by iseymur (Post 3854923)

OK, I'm doing this a bunch of different ways.

I've got the office, the plant, our security shack, and the union office:

acl office src 192.168.50.0/24
acl plant src 192.168.99.0/24
acl union src 192.168.128.70/32
acl security src 192.168.128.183/32

I can define the sites I want either as a list in the .conf file:

acl union-sites dstdomain www.ohiobwc.com .gov .edu .state.oh.us
acl ok-plant-sites dstdomain .microsoft.com .windowsupdate.com

... or as a simple text file:

acl porn-sites-1 dstdomain "/etc/squid/porn-sites-1"
acl porn-sites-2 url_regex "/etc/squid/porn-sites-2"

(these are plain text files that look like this:

.allnicegirls.com
.elephantlist.com
.4pigs.com
.consumptionjunction.com

etc.)

Then, I just tell squid what to do:

http_access deny office porn-sites-1
http_access deny plant porn-sites-1
http_access deny office porn-sites-2
http_access deny plant porn-sites-2

# Put denys first...

http_access deny union !union-sites
http_access deny security !ok-plant-sites

http_access allow office
http_access allow plant