NETBIOS browsing means they are looking for network shares. People actually turn on file and printer sharing and run without a firewall! You can map their drive to your computer and access it just like it was local to your machine. Legion is a good scanner for that...

http://www.interex.org/pubcont...eract/nov98/01wind/01wind.html

http://support.microsoft.com/?kbid=818092

Svaka win mašina pored ip DNS imena ima i netbios ime (computer name i workgroup-domain polje u my computer) i shares tj. javne resurse.

NetBios browsing je emitovanje i raspitivanje (broadcast i query) o tim podacima.

Preko IP protokola mislim da su neki od portova 135-139 445 1900