www.heroesonline.com unresolvable via local unbound instance?
jabley at hopcount.ca
Fri May 3 11:37:03 UTC 2019
On May 2, 2019, at 23:24, Tom Samplonius via Unbound-users
<unbound-users at nlnetlabs.nl> wrote:
> It is fairly common for ISPs to block all udp port 53 across their network, and only permit udp port 53 to their own DNS servers. That is only two ACL rules, so it is very simple to implement. I would say that in general, port 53 blocking is something that happens less and less.
That would spell "support apocalypse" in any residential ISP I've ever
used, and a shortcut to "we can't make payroll" via "all the customers
have gone". I have never seen it outside hotel/retail guest networks.
Do you have any measurements to support "fairly common"? If that's
right and my experience is atypical it's the kind of thing I'd like to
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