I need help?????? dns and nslookup

Marc.Thach at radianz.com Marc.Thach at radianz.com
Wed Oct 10 10:57:56 UTC 2001

I think you'll find that the resolv.conf is OK, but the message comes from
nslookup wanting (and not getting) a reverse resolution for the server
name.  As they all say, use dig instead of nslookup.  As for the firewall
log warning, that looks like a DNS response being blocked (maybe the
aforementioned revese lookup).  You will have to change your firewall rules
if you want to perform these DNS lookups.
Marc TXK
The views expressed are personal and do not necessarily reflect those of
the organisation providing the mail address from which this message was

                    <indianlinuxuser@        To:     "Turner, David R IT1 \(CNE N655D\)" <cneN655D at naveur.navy.mil>, 
                    yahoo.com>               "Bind-Users \(E-mail\)" <bind-users at isc.org>                            
                    Sent by:                 cc:                                                                     
                    bind-users-bounce        Subject:     Re:  I need help?????? dns and nslookup                    
                    11/07/2001 00:08                                                                                 

check for your /etc/resolv.conf file


----- Original Message -----
From: "Turner, David R IT1 (CNE N655D)" <cneN655D at naveur.navy.mil>
To: "Bind-Users (E-mail)" <bind-users at isc.org>
Sent: Wednesday, October 10, 2001 3:04 AM
Subject: I need help?????? dns and nslookup

> please help, when trying to use nslookup on my gauntlet(sun-ux) firewall,
> its default server is pointed to an internal HP-ux box. however I get
> error
> bash-2.02# nslookup
> *** Can't find server name for address Server failed
> *** Default servers are not available
> my question is where on my sun box do I configure where do I need to edit
> for nslookup to go somewhere else. any help would be greatly appreciated.
> also I get this error on my firewall logs. the from is my internal dns
> going to the inside interface of my firewall. does anyone know how to
> eliminate this. I am running bind 8.3
> thanks for your help
> Oct 10 08:19:17 thames.naveur.navy.smil.mil unix: securityalert: udp
> from to on unserved port 61416
> IT1(SW) David R. Turner
> Information Systems Security Advisor
> Ext. 4398
> Comm: +44 (0)207-514-4398
> Fax: +44 (0) 207-514-4106
> Email: Unclas:  <mailto:cnen653h at naveur.navy.mil>
cnen653h at naveur.navy.mil
> Siper:  <mailto:cnen653h at naveur.navy.smil.mil>
cnen653h at naveur.navy.smil.mil
> "Failure? I never encountered it. All I ever met were temporary
> -Dottie Walters
> -- Binary/unsupported file stripped by Listar --
> -- Type: application/octet-stream
> -- File: Turner, David R IT1 (CNE N653H).vcf

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