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Why new domain names are blocked

Many attacks use recently registered domain names

   
2:51 pm on Feb 4, 2014 (gmt 0)

WebmasterWorld Senior Member 10+ Year Member



Interesting question from the security folks:
[isc.sans.edu...]
11:09 pm on Feb 10, 2014 (gmt 0)

WebmasterWorld Administrator webwork is a WebmasterWorld Top Contributor of All Time 10+ Year Member



Interesting reply from one person/entity;

Default policy on our web filtering system. All unknown domains registered in the last 14 days. It does require us to manually unblock new legitimate sites being set up by marketing, but frequently catches the embedded URLs of the SPAM campaign du jour. Attackers will no doubt adapt accordingly, but for now it is a useful tactic.