Squid Proxy Server configure

Squid -

Squid is a proxy caching server. If you are Linux sysadmin, you can use squid to control internet access at your work environment.
                                      
Packages- squid 
Port No-  3128(TCP),2679 (UDP)
Daemon-  squid
Script-  /etc/init.d/squid
Conf file- /etc/squid/squid.conf
Requierd- 2 Lan card (eth0,eth1) 

Configure Server Side-

 1-> Install Package
# yum install squid* -y
oaded plugins: refresh-packagekit, rhnplugin 
Running Transaction 
  Installing     : 7:squid-3.1.4-1.el6.x86_64                               1/1  
Installed: 
  squid.x86_64 7:3.1.4-1.el6  

# netstat -ntlp  (Show port) 
# service squid restart 
                                                    

Complete! 

2-> Now configur conf file-->> 


# vim /etc/squid/squid.conf 

# uncomment 
# Squid normally listens to port 3128 
http_port 3128 


#To block a particular Network: 
acl my_net src 192.168.0.0/24 192.168.1.0/24 
http_access allow my_net 

#To block a particular ip: 
acl bad_ip src 192.168.0.21 
acl bad_ip src 192.168.0.22 
http_access deny bad_ip 

#To block a particular URL: 
acl bad_site dst www.yahoo.com 
http_access deny bad_site 
#To block only one domain: 
acl block_orkut dstdomain .orkut.com 
http_access deny block_orkut 

#To block a list of sites from / specified in a file: 
acl block_list url_regex "/etc/squid/block_list.txt" 
http_access deny block_list 

#Blocking web access by time: 
#acl aclname time [day-abbrevs] [h1:m1-h2:m2] 
#h1:m1 must be less than h2:m2 
#Day-abbrevs: 
#S - Sunday,M - Monday,T – Tuesday,W - Wednesday,H - Thursday,F - Friday,A - Saturday 
acl mynetwork src 192.168.0.0/255.255.255.0 
acl Break time MTWHFA 02:32-03:00 
http_access deny mynetwork Break 
#To block the URLs contains the word "word": 
acl block_word_url url_regex sex 
http_access deny block_word_url 

#To prevent downloading files: 
acl block_exe url_regex .*\.exe$ 
http_access deny block_exe 

#To block access to some TLDs: 
acl block_tld dstdom_regex \.uk$ 
http_access deny block_tld 

3-> Now create block file and service restart 

# cat >/etc/squid/block_list.txt 
www.hotmail.com 
www.ibm.com 
www.hp.com 

4-> Restart Service-

# /etc/init.d/squid restart 
Stopping squid:                                            [FAILED] 
Starting squid: .                                            [  OK  ]

# chkconfig squid on


Configure Client Side-

Open Firefox-->Menu--> Edit-Preference-->pic-1

-->Then Click Advanced--> Network--> Setting--> Pic-2

-->Type Proxy (SQUID)Server ip [192.168.0.254] --> SQUID Port No. [3128]-->
Check use this proxy server for all protocols--> Thne click OK...


Now Open Browser and Check--


I hope You Like It..
So Enjoy...

• Tweet
• Share
• Share
• Share
• Share