``` Protocol_Name: Netbios #Protocol Abbreviation if there is one. Port_Number: 137,138,139 #Comma separated if there is more than one. Protocol_Description: Netbios #Protocol Abbreviation Spelled out
Entry_1: Name: Notes Description: Notes for NetBios Note: | Name service for name registration and resolution (ports: 137/udp and 137/tcp). Datagram distribution service for connectionless communication (port: 138/udp). Session service for connection-oriented communication (port: 139/tcp).
For a device to participate in a NetBIOS network, it must have a unique name. This is achieved through a broadcast process where a "Name Query" packet is sent. If no objections are received, the name is considered available. Alternatively, a Name Service server can be queried directly to check for name availability or to resolve a name to an IP address.
Entry_2: Name: Find Names Description: Three scans to find the names of the server Command: nmblookup -A {IP} &&&& nbtscan {IP}/30 &&&& nmap -sU -sV -T4 --script nbstat.nse -p 137 -Pn -n {IP}