NetBIOS (/ ˈ n ɛ t b aɪ ɒ s /) is an acronym for Network Basic Input/Output System.It provides services related to the session layer of the OSI model allowing applications on separate computers to communicate over a local area network.As strictly an API, NetBIOS is not a networking protocol.Older operating systems [clarification needed] ran NetBIOS over IEEE 802.2 and IPX/SPX using the

Right-click NetBios over TCP/IP, and then click Disable. This disables the SMB direct host listener on TCP/445 and UDP 445. Final Thoughts. Before you make such an important change in your network, you need to do some serious testing. This is especially true if you have a … How to disable NetBIOS over TCP/IP by using DHCP server Apr 16, 2018 Saying Goodbye to NetBIOS - 10-D Security NetBIOS (Network Basic Input/Output System) was created in the early 1980's, but is surprisingly still alive and well on many networks today. Microsoft Windows still uses it for its name resolution function (often by default), when DNS is not available. Network resiliency and access to resources is a good thing, but keeping NetBIOS enabled The problem with NetBIOS - TechRepublic NetBIOS is a transport protocol that Microsoft Windows systems use to share resources. you can greatly reduce its attack surface if you disable server message block (SMB) and NetBIOS over TCP

Dec 04, 2017

How can I disable SAMBA broadcasting features? - Server Fault

Apr 26, 2014

Know which ports to block on your firewall You can configure your firewall to block all ports except the FTP and HTTP ports on the first Ethernet device. This protects you from the external network. You can then configure your firewall to deny all ports except for FTP, HTTP, and NetBIOS (or ports 20-21, 80, and 137-139, respectively) on the second, or internal, Ethernet device.