.MSN File Extension

Host Blocking File

Developer Microsoft
4.0  |  6 Votes

What is an MSN file?

Contains a list of blocked Internet hosts, often identified by IP addresses; prevents certain websites and other Internet locations from being accessed.

More Information

The default host blocking file is typically named "hosts.msn" and is located in the "C:\WINDOWS\system32\drivers\etc" directory.

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Programs that open or reference MSN files

Referenced by the operating system

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