First I love this list, but come on y'all. I've gotten like 50 or 60 notifications about this today. Please take it over to the discussions thread.
For the rest of the unsubstantiated. As of 2100UTC Facebook has started resuming communications. Here are some major relevant posts for everything known so far. https://blog.cloudflare.com/october-2021-facebook-outage/ https://engineering.fb.com/2021/10/04/networking-traffic/outage/ [https://engineering.fb.com/wp-content/uploads/2021/10/logo.jpg]<https://engineering.fb.com/2021/10/04/networking-traffic/outage/> Update about the October 4th outage - Facebook Engineering<https://engineering.fb.com/2021/10/04/networking-traffic/outage/> To help personalize content, tailor and measure ads, and provide a safer experience, we use cookies. By clicking or navigating the site, you agree to allow our collection of information on and off Facebook through cookies. engineering.fb.com [https://blog.cloudflare.com/content/images/2021/10/Understanding-how-Facebook-disappeared-from-the-Internet-og--1--1.png]<https://blog.cloudflare.com/october-2021-facebook-outage/> Understanding How Facebook Disappeared from the Internet<https://blog.cloudflare.com/october-2021-facebook-outage/> Today at 1651 UTC, we opened an internal incident entitled "Facebook DNS lookup returning SERVFAIL" because we were worried that something was wrong with our DNS resolver 1.1.1.1. But as we were about to post on our public status page we realized something else more serious was going on. blog.cloudflare.com Thank You, Aaron ________________________________ From: Outages <[email protected]> on behalf of Jürgen Botz via Outages <[email protected]> Sent: Monday, October 4, 2021 2:21 PM To: [email protected] <[email protected]> Subject: Re: [outages] Facebook Down [EXTERNAL] It's worth noting that all these emails to the list are arriving on my (independent) mail server late and out of order. Unlikely to be coincidence. Somebody on Twitter said that the CEO of Cloudflare said that all of Facebook's BGP routes "had been withdrawn", but that Tweet wasn't from any particularly reliable source. Still the problem does seem go further than just DNS for Facebook properties. -j On 10/4/21 13:10, Arthur Lockman via Outages wrote: > Facebook, Instagram, and WhatsApp all appear to be down. > > ➜ nslookup facebook.com > <https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Ffacebook.com%2F&data=04%7C01%7CAaron%40Computersnstuffwaco.com%7Cf5792d985e17418ffff408d987c0475f%7C8d5cda5fa70343d1b5eeb772587b996d%7C0%7C0%7C637690082179321807%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=BgSzY%2B94cgTKFQrbFdIBYsPDhly3rr%2FQH8oy%2BbmPmvc%3D&reserved=0> > ;; Got SERVFAIL reply from 1.1.1.1, trying next server > Server:1.0.0.1 > Address:1.0.0.1#53 > > ** server can't find facebook.com > <https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Ffacebook.com%2F&data=04%7C01%7CAaron%40Computersnstuffwaco.com%7Cf5792d985e17418ffff408d987c0475f%7C8d5cda5fa70343d1b5eeb772587b996d%7C0%7C0%7C637690082179321807%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=BgSzY%2B94cgTKFQrbFdIBYsPDhly3rr%2FQH8oy%2BbmPmvc%3D&reserved=0>: > SERVFAIL > > ➜ nslookup whatsapp.com > <https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwhatsapp.com%2F&data=04%7C01%7CAaron%40Computersnstuffwaco.com%7Cf5792d985e17418ffff408d987c0475f%7C8d5cda5fa70343d1b5eeb772587b996d%7C0%7C0%7C637690082179321807%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=iAW1va8dUNezxT0Xzo2%2F0elcFHk6fZIQPgj5jxVE%2Blg%3D&reserved=0> > ;; Got SERVFAIL reply from 1.0.0.1, trying next server > Server:1.1.1.1 > Address:1.1.1.1#53 > > ** server can't find whatsapp.com > <https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwhatsapp.com%2F&data=04%7C01%7CAaron%40Computersnstuffwaco.com%7Cf5792d985e17418ffff408d987c0475f%7C8d5cda5fa70343d1b5eeb772587b996d%7C0%7C0%7C637690082179321807%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=iAW1va8dUNezxT0Xzo2%2F0elcFHk6fZIQPgj5jxVE%2Blg%3D&reserved=0>: > SERVFAIL > > Seems like it’s DNS once again. > > *- Arthur Lockman (he/him)* > >> On Oct 4, 2021, at 11:46 AM, Matt Hoppes via Outages >> <[email protected] <mailto:[email protected]>> wrote: >> >> Is anyone else seeing Facebook down? 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