RE: Blocking NetBios

["Glen L. Bowes" <bowes () cogeco ca>]

If this is a purely Windows 2000/XP network you can disable NetBIOS over TCP
(NBT) in the WINS tab of the TCP/IP properties of the NIC. There must be a
DNS server available that the clients can register with in order for name
resolutions to occur.

If there are still Win 9x or Me clients however, disabling NBT will break
NetBIOS name resolution.

HTH 
 

Glen L. Bowes
http://www.bowesit.com


> -----Original Message-----
> From: Kareem Mahgoub [mailto:kareem () thewayout net]
> Sent: Thursday, June 10, 2004 4:21 AM
> To: security-basics () securityfocus com
> Subject: Blocking NetBios
>
> Hi list,
> I have a request from one of our clients to block NetBios in thier Network
> ( No one should be able to see the shared resources of others)
> I have googled around and all what I have found is blocking it on the edge
> communication equipment ( router, xDSL modemd..etc) Which will be done.
> The most important thing is to disable it internally ( inside the LAN)
> Any suggestions???
> Taking in consideration that there is  DHCP server for the clients ( If it
> can contribute in the Solution)
> Best Regards,
> Kareem Mahgoub
>
>
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Ethical Hacking at the InfoSec Institute. Mention this ad and get $545 off 
any course! All of our class sizes are guaranteed to be 10 students or less 
to facilitate one-on-one interaction with one of our expert instructors. 
Attend a course taught by an expert instructor with years of in-the-field 
pen testing experience in our state of the art hacking lab. Master the skills 
of an Ethical Hacker to better assess the security of your organization. 
Visit us at: 
http://www.infosecinstitute.com/courses/ethical_hacking_training.html
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