Pages

Categories

Archives

Sponsored Ads

 

September 2010
M T W T F S S
« Aug    
 12345
6789101112
13141516171819
20212223242526
27282930  

DNS Terms you need to know

During my beginning years of System Administration, I was pretty much confused by the terms ‘primary nameserver’, ‘secondary nameserver’, ‘master/slave nameserver’ etc. Different websites have different views on these terms. I am sure many system admins (even experienced ones) have got their ideas wrong about these terms.

My confusion ended the day I stumbled . . . → Read More: DNS Terms you need to know

How to close Open DNS

This tutorial describes how to close an Open DNS server. An Open DNS server allows anyone to use that server as a DNS lookup server. This is a potential threat and such access must either be blocked, or restricted to a few trusted IPs. This is how it is done.

1. Make a list . . . → Read More: How to close Open DNS