Archive for 'dns'

TechTip: DNS works on TCP or UDP ?

This is one of the very basic questions asked in a lots of interviews: Which protocol DNS works on - UDP or TCP ? And when you don't know the answer then you take a wild guess and says anyone of them :), which in any case is wrong as DNS works on both, TCP as well as UDP.

Two protocols being different from each other, TCP being a connection oriented protocol and UDP being a connection less protocol, but DNS uses both of them, not for the same purpose, but for different purpose.

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How-To : Configure chroot/jailed DNS Server in Solaris 10

Currently my DNS server was running on Solaris 8, so when we upgraded our environment to Solaris 10, there was a need to migrate existing DNS setup to new version of Solaris, i.e Solaris 10, along with new version of BIND 9. As Solaris 10 has changed a lot in comparison to Solaris 8, so we have to do some …

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