How To Disable Link Local Multicast Name Resolution LLMNR in windows server 2016 & RHEL 8.1

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Use Local Group Policy editor by running gpedit.msc and modifying the policy.

Computer Configuration -> Administrative Templates -> Network -> DNS Client
Enable Turn Off Multicast Name Resolution policy by changing its value to Enabled

For Linux

vim /etc/systemd/resolved.conf

[Resolve]
DNS=
FallbackDNS=
Domains=
LLMNR=no
MulticastDNS=yes
DNSSEC=allow-downgrade
DNSOverTLS=no
Cache=yes
DNSStubListener=udp
~

reboot

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