Since YouTube and Facebook is an HTTPS traffic it requires SSL inspection to allow specific video/Facebook page. (Web Security Gateway 210 and 310 do not support SSL inspection)
To block/allow Facebook see below example:
Block/Accept > URL Pattern: (facebook fbcdn fbstatic fbsb akamiahd fb.me)
In Exceptions:
Action: Allow/Block.
Applies To: Select one which ever applies
Exception Type: URL Pattern
URL Pattern: (facebook fbcdn fbstatic fbsb akamiahd fb.me)
To block/allow YouTube see below example:
Block/Accept > URL Pattern: (youtube ytimg ytstatic ythome googlevideo youtu.be)
In Exceptions:
Action: Allow/Block.
Applies To: Select one which ever applies
Exception Type: URL Pattern
URL Pattern: (youtube ytimg ytstatic ythome googlevideo youtu.be)
In order to allow specific HTTP YouTube video please refer: Solution # 00004392
Additional Notes:
URL Pattern is used to create global rule while as Exception is used to create for specific user/groups or all users
Note:-
In order to allow specific video/Facebook page it requires SSL inspection. Which is supported only by Barracuda Web Security Gateway 410 and above on firmware 10.0 and above.
For more information please contact Barracuda Technical Support.