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netbios name

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netbios name

hi i am running a dual boot system win win me and win 2000, i use 2000 most and have just installed zone alarm and seem to get a lot of blocking of someting called netbios name, dose anyone know what this is and what i should do about it (block or allow).also should services and controller app be alowed to access the internet. thanks in advance.
8 REPLIES
rz2k7
Grafter
Posts: 54
Registered: 14-09-2007

RE: netbios name

> hi i am running a dual boot system win win me and win 2000, i use 2000 most and have just installed zone alarm and seem to get a lot of blocking of someting called netbios name, dose anyone know what this is and what i should do about it (block or allow).also should services and controller app be alowed to access the internet. thanks in advance.
>

Hi
For all info regarding firewalls etc check out www.grc.com. A great site which can check how good your firewall is and also you ports.
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RE: netbios name

thank you i already have this site and test my firewall often however i havent seen any info on my post there so if anyone else know please let me know.

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RE: netbios name

Netbios (Network basic input and output System) is the interface that WINS uses to resolve computer names to IP addresses on pre w2k networks.

If you've NOT got a network, you can remove the Netbios protocol by going into 'Network and Dialup Connection' properties. I don't see any point in running a service if its not needed.






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RE: netbios name

i have just been into the wins setting and there is nothing in there anyway, do you think it could be posible that it is comming over from the win me side.


> Netbios (Network basic input and output System) is the interface that WINS uses to resolve computer names to IP addresses on pre w2k networks.
>
> If you've NOT got a network, you can remove the Netbios protocol by going into 'Network and Dialup Connection' properties. I don't see any point in running a service if its not needed.
>
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RE: netbios name

I guess the're probably external probes (maybe messenger service spam)so i would just block them in your firewall.

Have a look here for some pretty good info on ADSL netbios and a multitude of useful stuff:

http://cable-dsl.home.att.net/index.htm#Method1
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RE: netbios name


ok thank you for your help.



> I guess the're probably external probes (maybe messenger service spam)so i would just block them in your firewall.
>
> Have a look here for some pretty good info on ADSL netbios and a multitude of useful stuff:
>
> http://cable-dsl.home.att.net/index.htm#Method1
>

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Security Checking

Hi,

Just thought I would let you guys also know about the port scanning system I have on my site http://www.roypenfold.co.uk.

This, in addition to 'sniffing' approximately 6000 ports has links to give more information on any open ports and exploits, together with listing any exposed file shares.

Click on 'Online Security Check' in the menu headed 'modules'.

P.S. any feedback on the site would also be more than welcome !
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Re: RE: netbios name

Quote
I guess the're probably external probes (maybe messenger service spam)so i would just block them in your firewall.

Have a look here for some pretty good info on ADSL netbios and a multitude of useful stuff:

http://cable-dsl.home.att.net/index.htm#Method1


The netbios probes are most likely from a virus called Opaserv or one of the many others that use the same method of propagation.

Basically they are looking for PCs that have file sharing enabled which they will then try to infect.

If the source port if 1024 or above then they are pretty much certainly a malware probe. Badly configured PCs will use port 137 as the source port IIRC.