telnet [domain name or ip] [port] Put the IP address or domain name of the server you’re trying to connect to in place of [domain name or ip], and replace the second brackets with the port number on the remote machine, connection to which you want to test. For example, to verify connection to 192.168.0.10 on port 25, issue the command:
May 15, 2019 NetBIOS: What It Is and How It Works - Lifewire May 01, 2020 UDP 138 - Port Protocol Information and Warning! Port Number: 138; TCP / UDP: UDP; Delivery: No; Protocol / Name: netbios-dgm; Port Description: NETBIOS Datagram Service. A principle rqmt for NetBIOS services on MS hosts (Win9x/ME/NT/Win2000). UDP 137 is used for browsing, directory replication, logon sequence, netlogon, pass-thru validation, printing support, trusts, and WinNT Secure Channel. What is an SMB Port + Ports 445 and 139 Explained | Varonis Mar 29, 2020
Now mostly NetBIOS over TCP/IP (NBT). (NetBIOS is now used as synonym for NBT) Nodes have a NetBIOS name and an IP address. NetBIOS over TCP/IP services. Standardized in. RFC 1001; RFC 1002; Provides: + Name Service (Port 137/UDP) + Datagram Service (Port 138/UDP) + Session Service (Port 139/TCP) SMB runs on top of NetBIOS
UDP 138 - Port Protocol Information and Warning! Port Number: 138; TCP / UDP: UDP; Delivery: No; Protocol / Name: netbios-dgm; Port Description: NETBIOS Datagram Service. A principle rqmt for NetBIOS services on MS hosts (Win9x/ME/NT/Win2000). UDP 137 is used for browsing, directory replication, logon sequence, netlogon, pass-thru validation, printing support, trusts, and WinNT Secure Channel. What is an SMB Port + Ports 445 and 139 Explained | Varonis
Mar 29, 2020
May 15, 2019 NetBIOS: What It Is and How It Works - Lifewire May 01, 2020