Facebook, Instagram, Whatsapp Outage | October 4, 2021

Facebook, Instagram, Whatsapp Offline?

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What we know about the Facebook, Instagram, Whatsapp Outage Today October, 4, 2021

  Just as #facebook was live on CNBC defending the company over “a whistleblower’s accusations 

and its handling of CNN Facebook Accusationsresearch data suggesting Instagram is harmful to teens,” the company’s network of services suddenly went down.  Offline.  Checked Out. On Twitter, Facebook communications exec Andy Stone, FB Communications Exec reports on twitter: “We’re aware that some people are having trouble accessing our apps and products. We’re working to get things back to normal as quickly as possible, and we apologize for any inconvenience.”

Check out DownDetector (or your Twitter feed) for updates or search Google and remember to use search operators and/or filter for “within last hour”. Still unlcear what the culprit is as of 20 minutes ago however, their domain name system (DNS) is broke.   Cloudflare senior vice president Dane Knecht responds that Facebook’s border gateway protocol routes (BGP) — have been “withdrawn from the internet.” 

Facebook Outage Possible Culprits Explained 

Contend Delivery Networks (CDNs) are very popular to help get your applications, websites, etc delivered quickly across the globe via networks/data centers.  They also are used for additional security from threats like distributed denial-of-service (DDoS) attacks  which are “a malicious attempt to disrupt the normal traffic of a targeted server, service or network by overwhelming the target or its surrounding infrastructure with a flood of Internet traffic.” (source:  Cloudflare)

These attacks are very effective and work by using multiple compromised computers or devices to act as a system to create the network overwhelming  attack traffic. This can include anything from a computers, networked resources, IoT devices, and more.

At a basic level, these attacks are compared to a traffic jam or bottleneck where the once express quadruple lane highway is now a parking log full of angry drivers that are unable to move.  Similarly, the DDoS attacks preventing regular traffic from arriving at its destination by a flood of requests from these compromised machines.  This is why the Facebook Outage, could be a symptom and a problem as everyone continues to try to access it (send request to Facebook) so they can enjoy their normal workday social media browsing.

Facebook and instagram flood

As mentioned, Cloudlfare runs a free DNS resolver, 1.1.1.1, and it’s very popular so with Facebook and the others being down, guess what happens? People keep retrying over and over to access Facebook. This also includes all applications and much more that automatically use and need Facebook  to function. This all results in a massive flood of DNS traffic asking for “http://facebook.com”

What Is Cloudflare and Why Should I Care?

Cloudflare is one of, if not, the largest CDN in the globe.  In total,
“7,591,745 active websites use Cloudflare worldwide. Ranked by traffic, 3,280 out of 10,000 most popular websites globally use Cloudflare. Of all the live websites using Cloudflare, 1,459,262 (19.22%) are registered in the United States.”  more below:

The Cloudflare network spans over 200 cities in more than 100 countries. View system status  The larger the network, the better performance and security we can deliver to our customers.  Each location improves the performance, security and reliability of millions of Internet properties, as we expand our surface area to fight growing attacks and serve web requests even closer to the Internet user.

cloudflare cdn worldwide network delivering your content quickly and securely
Cloudflare CDN Configuration Included With All Plans

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