Funny browser firewall behavior or?

Why is a direct connection via cut and paste into the browser blocked by Bluhell firewall, this inside firefox?
See: resource://bluhellfirewall/blocked.xhtml?t=43a17236-89ba-48c7-818e-e26f5d187859&h=d3d3LmFkLm5s&u=aHR0cDovL3d3dy5hZC5ubC9hZC9ubC8xMTAwL0NvbnN1bWVudC9hcnRpY2xlL2RldGFpbC8zNTk3ODM3LzIwMTQvMDIvMTUvVHJlay1pbi1CaWctTWFjLW5hLXJlY2xhbWUtRGl0LWlzLW0taW4taGV0LWVjaHQuZGh0bWw=
The video URL was: htxp://www.youtube.com/watch?feature=player_embedded&v=zx1IvvLuuEI
Browser uri-> hxtp://www.ad.nl/ad/nl/1100/Consument/article/detail/3597837/2014/02/15/Trek-in-Big-Mac-na-reclame-Dit-is-m-in-het-echt.dhtml
link source Buzzfeed

anyone?

polonus