After a security audit, you are instructed to harden a Samba member server so that only Kerberos tickets are accepted and every form of NTLM (including NTLMv2) is refused. Which single line added to the [global] section of smb.conf meets this requirement?
The ntlm auth parameter controls whether the server will process NTLM password exchanges at all. Setting it to disabled turns off NTLMv1, NTLMv2, and LANMAN, forcing clients to use Kerberos or LDAP simple bind instead. Setting it to ntlmv2-only (or the alias no) still permits NTLMv2, client NTLMv2 auth affects only outbound client connections, and lanman auth = no blocks only the older LANMAN hashes. Therefore, the only directive that completely eliminates NTLM on the server side is ntlm auth = disabled.
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What is NTLM and how does it differ from Kerberos?
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CompTIA Linux+ XK0-006 (V8)
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