NFS help
Otto Haliburton
ottohaliburton at comcast.net
Sun Aug 28 13:01:56 UTC 2005
> -----Original Message-----
> From: redhat-install-list-bounces at redhat.com [mailto:redhat-install-list-
> bounces at redhat.com] On Behalf Of inode0
> Sent: Sunday, August 28, 2005 7:16 AM
> To: Getting started with Red Hat Linux
> Subject: Re: NFS help
>
> On 8/28/05, Otto Haliburton <ottohaliburton at comcast.net> wrote:
> > you sort of have the idea, but not really. When a node comes up all
> > computers basically report their resources to the DNS where they are
> used to
> > resolve the addresses for the lan, so a node wants to communicate with
> > another node it's request goes to the DNS and bingo if the node has
> reported
> > to the DNS then it sends the info. This is a transparent thing, you
> don't
> > need to do anything with the hostname cause if you have a DNS server
> then
> > the node will report to the DNS. Simply you don't have to do anything
> DNS
> > stands for dynamic name server.
>
> DNS stands for Domain Name System and no DNS server I run works like
> this as it would make it incredibly easy for services on the network
> to be hijacked. The mappings from IPs to names are set by me in the
> DNS server, not by what random machines report to the DNS server. If a
> machine comes up and reports to my DNS server that it is my kerberos
> server, well, my DNS server will laugh at that machine and continue to
> report the correct IP and name for the real kerberos server on the
> network.
>
> A DNS server can accept dynamic updates, however, these typically come
> from other trusted DNS servers, not from random machines on the
> network.
>
> John
>
I am so glad that you caught the correct name, hahaha. But I don't know what
you are saying. The purpose of the DNS is to resolve the names on a network
and everyone reports there, if your keberous server changed it's ip address
then it will be resolve in the DNS (dynamic Name server hahaha)
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