How to and why you should disable LLMNR with Windows Server

The video tutorial discusses deploying servers with Server 2019, highlighting the importance of reviewing legacy settings and protocols like LLMNR and NetBIOS. It explains the security risks associated with these protocols, particularly in man-in-the-middle attacks, and provides detailed steps to disable them using group policy and registry keys. The tutorial emphasizes the need to update network configurations to prevent security vulnerabilities.

What prompted the speaker to reconsider their server setup practices?

• A new version of Server 2019

• A recent hardware failure

• A change in company policy

• A software update

What does LLMNR stand for?

• Local Link Multicast Network Resolution

• Link Layer Multicast Network Resolution

• Link Layer Multicast Name Resolution

• Local Link Multicast Name Resolution

Why is it recommended to disable Netbios in modern networks?

• It is no longer supported by Microsoft

• It is incompatible with IPv6

• It poses a security risk

• It can cause network congestion

How do attackers exploit LLMNR and Netbios?

• By altering DNS records

• By installing malware on servers

• By intercepting multicast packets

• By sending fake software updates

What is the first step to disable LLMNR using group policy?

• Modify the registry keys

• Change the network adapter settings

• Access the administrative templates

• Open the DNS client settings

Which protocol kicks in if LLMNR fails?

• Netbios

• DNS

• DHCP

• ARP

What value should be set to disable Netbios in DHCP settings?

• OX 3

• OX 2

• OX 1

• OX 4