yes, with ufdbguard you put
   youtube.com/watch?v=VIDEOID
in a urls file and create a URL table with ufdbGenTable.
ufdbGenTable adds many URLs automagically, i.e.
   youtube.com/embed/VIDEOID
   youtube.com/get_video_info?video_id=VIDEOID
   ytimg.googleusercontent.com/vi/VIDEOID
and many more.

Marcus

On 16/08/18 11:01, Vacheslav wrote:
Wouldn't it be better to try it in ufdbguard?

-----Original Message-----
From: squid-users <squid-users-boun...@lists.squid-cache.org> On Behalf Of Amos 
Jeffries
Sent: Thursday, August 16, 2018 4:18 PM
To: squid-users@lists.squid-cache.org
Subject: Re: [squid-users] Squid + Squidguard Youtube URL video filtering

On 17/08/18 00:43, Roberto Carna wrote:
Dear, I have Squid + Squidguard working OK.

Squidguard is filtering the entire www.youtube.com website.

But now I have to permit just one video from Youtube:

https://www.youtube.com/embed/ff9sDLGtnK8?rel=0&showinfo=0

I have added the below URL as an exception in Squidguard:

www.youtube.com/embed/ff9sDLGtnK8?rel=0&showinfo=0

but after that I can't see it, still blocked.

How can I enable just this URL from Squidguard preferently blocking
the rest of Youtube ???

Unfortunately only with a great deal of difficulty.

The "?v=..." and "/embed/..." URLs are just public identifiers to access the 
YouTube APIs. At the HTTP level they result in a quite long series of sub-requests, redirections 
and the like bouncing all over the
youtube.* and googlevideos.* and googleapis.* domains.
  Yes all of them are involved multiple times. So whitelisting is an 
all-or-nothing prospect, with other G services being implicitly whitelisted as 
side effects.


Also, whenever the way to decipher the above maze of traffic gets published so 
we can do things like what you ask. YT shortly afterwards change how it 
operates - usually towards even more complexity. This has happened too many 
times to be coincidence IMO.


Amos
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