[squid-users] Squid + Squidguard Youtube URL video filtering

[Marcus Kool]

OP asked about blocking Youtube but allowing a single Youtube video.
How would you do that with a couple of DNS entries ?

Marcus

On 16/08/18 22:11, SQUIDBLACKLIST.ORG wrote:
> This might be painfully obvious to some who are in the know, but, filtering youtube video content can be done with a lot less effort by simply adding a couple dns entries for Googles safesearch servers.
> 
> #justsayin
> 
> 
> 
> Signed,
> 
> Benjamin E. Nichols
> Founder &  Chief Architect
> http://www.squidblacklist.org
> 1-405-301-9516
> 
> -------- Original message --------
> From: Marcus Kool <marcus.kool at urlfilterdb.com>
> Date: 8/16/18 7:53 PM (GMT-06:00)
> To: squid-users at lists.squid-cache.org
> Subject: Re: [squid-users] Squid + Squidguard Youtube URL video filtering
> 
> 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-bounces at lists.squid-cache.org> On Behalf Of Amos Jeffries
>  > Sent: Thursday, August 16, 2018 4:18 PM
>  > To: squid-users at 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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