Mikrotik Disabled youtube using Layer7 + Dst Address

Filter

19 ;;; Block youtub
chain=forward action=drop dst-address=0.0.0.0/0 layer7-protocol=block youtube + fb
log=no log-prefix=””

Layer7
name : Block youtub

^.+(youtube).*$|o-o.preferred.pttelkom-|a.youtube.com|b.youtube.com|c.youtube.com
|d.youtube.com|e.youtube.com|f.youtube.com| g.youtube.com|h.youtube.com|i.youtube.com
|j.youtube.com|l.youtube.com”|(facebook.com).*$