Monday, 24 December 2012

Proxy Servers


Proxy  Server & Proxy Filter Configuration:
Now we discuss here about the configuration of Proxy Server and Proxy Filter (Squid and Squid Guard). First of we discuss here what is “Squid”.


Squid:
This is a high performance web cache proxy server.
Now we come to the Configuration.
Go to the services tab and select Proxy Server.

Access Control:                192.168.0.0/24
Note: In access control section we can add two or more different networks. In this case proxy server allow internet access of both networks and both communicate to each other. Like as
                                                    192.168.0.0/24
                                                    192.168.1.0/24
                                                    192.168.2.0/24







Squid Guard:
This is a high performance web cache proxy server
Note: Squid installation is most important before the installation of SquidGuard. Now we go to next step Configuration.



If we need more feature like as “IP Blocking” “MAC Blocking” “Domain Filtering” “Timing schedule” “2 Different Network Communication” etc. Configuration
 add one Timing Schedule by hitting on + plus sign.
Name:                             Weekly Timing Schedule
Description:                  Weekly Timing Schedule Listed here
                                        Save Settings




Next go to the Target Categories Tab in Proxy Filter. Add one Target Categore by hitting on + plus sign.
Name:                            Domain_List
Domain List:                 facebook.com youtube.com twitter.com
Note: Every domain separated by a single space.
Save Settings




Next go to the ACL_Group tab in Proxy Filter. Add one ACL _Group by hitting on + plus sign.
Name:                           ACL_Group
Client (Source):          192.168.0.3-192.168.0.254
Timing:                        Weekly Timing Schedule




Target Rule:                Hit on play sign      stay on Target categories     Select timing rule and Deny
Save Settings


Next go to the Common ACL Tab in Proxy Filter. Add one Common ACL by hitting on + plus sign.
Target Rule:                           Access denied

Save Settings



Next go to the General Setting Tab in Proxy Filter. Add one General Setting  by hitting on + plus sign.
Enable:                           Add check sign
Apply Settings




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