Squid Proxy Authentication Using ncsa_auth Helper

This will only allow authorized users to use proxy server.
nobody can access internet without username and password

Linux DNS Server (Bind) Configuration on CentOS 5.5

Linux DNS Server (Bind) Configuration on CentOS 5.5

How to change default ssh port In Linux

There is a security risk if you are using default ssh port which is 22 Because Hackers will scan for port22 (default port on which ssh listen) to find computers with ssh running,

How to Host Multiple Domains on Single IP

We are going to learn in this tutorial how to host multiple domains on a single IP.

Bind Installation
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yum install bind bind-utils bind-* caching-*

Now we are going to configure the Bind Service you can copy the files content and modify with your required settings.

cd /var/named/chroot/etc

vi named.conf

Named.conf Contents