Topic

Allowing and blocking access to domain names

Applicable to

Non Classified, Official, Protected, Secret, Top Secret

History

Priority

should

Mar 2022

Malicious domain names, dynamic domain names and domain names that can be registered anonymously for free are blocked by web content filters.

The recommendation to implement a list of blocked websites only if a list of allowed websites wasn’t implemented was merged into recommendations to block dynamic domain names and domain names that can be registered anonymously for free, thereby reflecting that even if a list of approved website categories is implemented that tailored blocking of specific known malicious domain names can still be beneficial.

2015

Agencies should block dynamic and other domains where domain names can be registeredanonymously for free.