Do I need NTLM?

Current applications. NTLM authentication is still supported and must be used for Windows authentication with systems configured as a member of a workgroup. NTLM authentication is also used for local logon authentication on non-domain controllers.

Why NTLM is being used?

What Is NTLM Used For? Windows New Technology LAN Manager (NTLM) is a suite of security protocols offered by Microsoft to authenticate users' identity and protect the integrity and confidentiality of their activity.

What can I use instead of NTLM?

Kerberos is an authentication protocol. It's the default authentication protocol on Windows versions above W2k, replacing the NTLM authentication protocol.

Is NTLM outdated?

There is no removed or deprecated functionality for NTLM for Windows Server 2012 .

Is NTLM insecure?

Is NTLM secure? NTLM is generally considered insecure because it uses outdated cryptography that is vulnerable to several modes of attacks. NTLM is also vulnerable to the pass-the-hash attack and brute-force attacks.

What is NTLM ? How does NTLM authentication work ? NTLM protocol: pros and cons of this method ?

What is the weakness of the NTLM authentication protocol?

NTLM is a rather veteran authentication protocol and quite vulnerable for relatively easy to initiate attacks. The fact that it is not secure, doesn't make it easier to move to a better protocol (such as Kerberos), since many functions are dependent on it.

What is the impact of disabling NTLM?

If you want to turn off NTLM audit policy settings, there will be a little impacts, that is when NTLM authentication is successful or failed, no audit events will logged in Security log under Event Viewer on any DC.

Why is Kerberos more secure than NTLM?

– While both the authentication protocols are secure, NTLM is not as secure as Kerberos because it requires a point-to-point connection between the Web browser and server in order to function properly. Kerberos is more secure because it never transmits passwords over the network in the clear.

Does SMB use NTLM?

NTLM over a Server Message Block (SMB) transport is a common use of NTLM authentication and encryption.

Does Windows 10 use NTLMv2?

Windows 8. x and later and Windows Server use NTLMv2 authentication by default, but in rare instances, this setting may become incorrect, even if the NTLM setting was previously correct.

What is difference between Kerberos and NTLM authentication?

Kerberos is an authenticated open-source software that offers a free system. NTLM is the Microsoft confirmation protocol. Kerberos supports the delegacy of authenticity in the multistage requisition.

What is the main difference between NTLM and net NTLMv2?

NTLMv2 (A.K.A. Net-NTLMv2) This is the new and improved version of the NTLM protocol, which makes it a bit harder to crack. The concept is the same as NTLMv1, only different algorithm and responses sent to the server.

Does SMB use NTLM or Kerberos?

Kerberos is the default authentication mechanism for SMB access, while NTLMv2 is supported as a failover authentication scenario, as in Windows SMB servers.

Is SMB encrypted by default?

By default, the encryption of SMB traffic is disabled on Windows Server 2012 file server. You can enable the encryption individually for each SMB share or all SMB connections.

Does LDAP use Kerberos or NTLM?

Kerberos largely replaced NTLM, an older and Microsoft's original (with Windows NT) authentication protocol. LDAP is also an authentication and authorization protocol, and also methodology of organizing objects such as users, computers, and organizational units within a directory, such as Active Directory.

Is Kerberos faster than NTLM?

Kerberos performance and security is far better than NTLMv1 or NTLMv2. It's not even up for debate. Every third packet needs to be sent to the domain controller for challenge/response when using NTLM.

How do I know if NTLM is enabled?

In the Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options section, find and enable the Network Security: Restrict NTLM: Audit NTLM authentication in this domain policy and set its value to Enable all.

Is it safe to disable SMB Direct?

However, the same page that details how to disable it, does not recommend doing so permanently: We recommend that you do not disable SMBv2 or SMBv3. Disable SMBv2 or SMBv3 only as a temporary troubleshooting measure. Do not leave SMBv2 or SMBv3 disabled.

Is SMB a security risk?

Server Message Block Attacks

While the convenience of SMB technology is great, security needs to be a priority. SMB vulnerabilities have been around for 20+ years.

Does Windows 10 support SMB encryption?

SMB 3.1 (introduced with Windows Server 2016/Windows 10) - SMB Encryption will deliver better performance than SMB Signing, and has the added benefit of increased security together with message privacy in addition to message integrity guarantees.

Does NTLM use LDAP?

The solution uses UnboundID Java LDAP SDK and for the NTLM Handling it uses samba.

What authentication does SMB use?

NTLM and the older LAN Manager (LM) encryption are supported by Microsoft SMB Protocol. Both encryption methods use challenge-response authentication, where the server sends the client a random string and the client returns a computed response string that proves the client has sufficient credentials for access.