Can block Facebook FDQN but not Twitter

Hi. I successfully managed to block Facebook with the Firewall by blocking its alias containing the FDQNs "www.facebook.com" and "apps.facebook.com". Why is it that I can't block Twitter the same way with the FDQN "www.twitter.com"? My alias config is: -S...

13 Apr 2016 ... I successfully managed to block Facebook with the Firewall by blocking its alias containing the FDQNs ... So what this does is it blocks the list of IPs? But isn't that ... With FQDN, it just pulls a small number of IPs for the domain:

Lee mas