SQUID PROXY SERVER IN REDHAT LINUX

SQUID PROXY SERVER

Features:

1. Caching server

2. Filters access to the Net

3. Efficient bandwidth usage

4. Supports a wide criteria of ACLs (dstdomain, src_IP, Time of day, etc.)

Tasks:

1. Install Squid Proxy server

•yum -y install squid

/etc/squid - primary configuration container

/etc/squid/squid.conf - primary configuration file

/usr/sbin/squidclient - used to test Squid Proxy server

/var/log/squid - primary log directory

/var/spool/squid - cache directory containter

2. Start Squid, and ensure that it starts when the system reboots

•service squid start

• chkconfig --level 35 squid on

Note:

•Ensure that ample/fast disk storage is available for: /var/spool/squid

•Squid defaults to TCP:3128

3. Configure Firefox browser to use Squid Proxy server

4. Configure Squid to allow LAN access through, to resources

•nano /etc/squid/squid.conf

•acl lan_users src 192.168.75.0/24

•http_access allow lan_users

5. Deny 192.168.75.10, but allow ALL other users from the local subnet

acl_lan_bad_users src 192.168.75.10

http_access deny acl_lan_bad_users