centos6.2+varnish

OS:CentOS-6.2-x86_64-minimal.iso

iptables:

#vi /etc/sysconfig/iptables

//add this port
#ssh connection
-A INPUT -m state –state NEW -m tcp -p tcp –dport 22 -j ACCEPT
#http connection
-A INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT
#https connection
-A INPUT -m state --state NEW -m tcp -p tcp --dport 443 -j ACCEPT
#according to your choice to allow remote mysql connection
-A INPUT -m state --state NEW -m tcp -p tcp --dport 3306 -j ACCEPT

#/etc/init.d/iptables restart

third software source:EPEL

#wget http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-7.noarch.rpm
#rpm -ivh epel-release-6-7.noarch.rpm
#rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6

Install the Varnish YUM Repository

# rpm -Uhv http://repo.varnish-cache.org/redhat/varnish-3.0/el5/noarch/varnish-release-3.0-1.noarch.rpm
# yum install varnish
Enable Varnish web accelerator at startup
# chkconfig varnish on
#service varnish start

varnish config is /etc/varnish/default.vcl