DNS through Firewall

Gary Wardell gwardell at gwsystems.co.il
Thu Feb 28 08:10:52 UTC 2002


NAT doesn't prevent someone from attaching my FTP server and trying to hack it.

A packet filter can.

But maybe I was a little to quick to speak.

Of course by your definition even an originate only modem could be considered a firewall since it blocks unauthorized access by not
answering incoming calls.


> -----Original Message-----
> From: bind-users-bounce at isc.org [mailto:bind-users-bounce at isc.org]On
> Behalf Of William Stacey
> Sent: Wed, February 27, 2002 11:16 PM
> To: comp-protocols-dns-bind at isc.org
> Subject: Re: DNS through Firewall
> > In the first place NAT is not a firewall.
> Why not Gary?  A firewall is "Any of a number of security schemes that
> prevent unauthorized users from gaining access to a computer
> network or that
> monitor transfers of information to and from the network".
> NAT routers
> surely fit that definition IMHO.
> --wjs

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