Do I need NetBIOS over TCP IP?

NetBIOS over TCP/IP is not required for standard Windows networking function. You’d only need it if you are using legacy applications that require that API to function. Disable it, if you must, and re-enable it if you have problems with your apps. It will not “hurt” to leave it enabled.

When should I disable NetBIOS?

If you have multiple network adapters (or VLANs) on your computer, you will need to disable NetBIOS in the properties of each of them. You can disable NetBIOS for the specific network adapter through the registry as well.

Why is NetBIOS bad?

There are quite a few reasons why NetBIOS is bad for your network. NetBIOS is an inneficient protocol. It is very chatty with lots of broadcasts. When used with its defaults settings, it can be used by the bad guys to gather information about your network and users.

Does NetBIOS use TCP?

NetBIOS over TCP/IP (NBT, or sometimes NetBT) is a networking protocol that allows legacy computer applications relying on the NetBIOS API to be used on modern TCP/IP networks….nbtstat.

What will happen if I disable NetBIOS?

A machine on which you’ve disabled NetBT can’t retrieve the workgroup browse list for a Windows NT 4.0 domain, nor can the machine retrieve the list of shares from a pre-Win2K server. And under no circumstances can that system use the Net Use command to access a share on a pre-Win2K server.

Is NetBIOS over TCP IP safe?

There are many security concerns with NetBIOS; and disabling its support on your network and devices is strongly recommended. Disabling the use and support of NetBIOS can help to mitigate an attacker’s ability to: poison and spoof responses, obtain a user’s hashed credentials, inspect web traffic, etc.

Should I disable NetBIOS over TCP IP Windows 10?

Yes. To improve performance, it’s recommended that you disable NetBIOS over TCP/IP on your cluster network NIC and other dedicated-purpose NICs, such as for iSCSI and Live Migration.

Do I need NetBIOS?

It should not be needed at all unless you still have some very ancient legacy non-TCP application that needs some sort of session layer naming service. If you are machine has an IP and DNS, you can join it to the domain using the full domain suffix. No NetBIOS needed, I just validated.

Is NetBIOS secure?

Vulnerabilities in Windows Host NetBIOS to Information Retrieval is a Low risk vulnerability that is also high frequency and high visibility. This is the most severe combination of security factors that exists and it is extremely important to find it on your network and fix it as soon as possible.

Is NetBIOS deprecated?

Amazingly, NetBIOS is actually still used in the trust creation process, even though Microsoft has officially “deprecated” NetBIOS in versions of Windows from 2000 on. So if you disable NETBIOS on your domain controllers, you won’t be able to establish a forest trust between two Windows Server 2003 forests.