[Info-vax] Facebook service outage

[Simon Clubley]

On 2021-10-04, Stephen Hoffman <seaohveh at hoffmanlabs.invalid> wrote:
>
> Facebook, Instagram, Facebook Messenger, WhatsApp, Login with FB, etc., 
> are all offline.
>
> The Facebook IP address space and all its services are inaccessible.
>

I guess someone took the move fast and break things mantra literally. :-)

Is anyone seeing the actual DNS entries for facebook.com disappearing
as well ?

Depending on which DNS server I use, I either get the entries or a
SERVFAIL from nslookup.

Does anyone else see this ?

Just tried it from Eisner as well. This is what I get:

$ nslookup
Default Server:  dns.google
Address:  8.8.8.8

> facebook.com
Server:  dns.google
Address:  8.8.8.8

Non-authoritative answer:
Name:    facebook.com
Address:  157.240.220.35

>  Exit 
$ nslookup facebook.com 4.2.2.2
Server:  b.resolvers.Level3.net
Address:  4.2.2.2

*** b.resolvers.Level3.net can't find FACEBOOK.COM: Non-existent host/domain

> Reportedly, this outage is due to erroneous BGP routing announcements.
>

Let's just hope it's an internal screwup and not an external attack.
The consequences in the latter case might be rather interesting.

> Reportedly, internal access including badges and badge readers and 
> building and door access controls are all offline, and remote access to 
> their peer routers is also all offline.
>

Someone has some lessons to learn about not making all systems depend
on each other. Internal access should not have been affected by this
in a properly designed system IMHO.

> This looks to be one of the biggest service outages around, and with a 
> detail?the BGP routing announcements?that y'all might want to consider 
> within your business continuity and business recovery plans.
>

Simon.

-- 
Simon Clubley, clubley at remove_me.eisner.decus.org-Earth.UFP
Walking destinations on a map are further away than they appear.