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NetworkManager Picks Up Support For Dealing With LLMNR

Written by Michael Larabel in Linux Networking on 6 September 2018 at 11:54 AM EDT. Add A Comment

The latest merged feature work for NetworkManager is for supporting LLMNR (Link-Local Multicast Name Resolution) in conjunction with systemd-resolved.

LLMNR is based on DNS and supports IPv4 and IPv6 to perform name resolution for hosts using the same local link. LLMNR is most practical for ad-hoc network scenarios but there is the potential for some network vulnerabilities around Link-Local Multicast Name Resolution.

Systemd-resolved has supported LLMNR as an alternative to DNS for years, but now there is a connection property for toggling the support by NetworkManager.

As of this merge today in NetworkManager there is now a connection.llmnr property for toggling whether LLMNR is enabled for a given network connection.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.