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Facebook’s historic outage, explained

Kentik

Yesterday the world’s largest social media platform suffered a global outage of all of its services for nearly six hours. billion users in what can arguably be considered the most impactful internet service outage in modern history. The “Path View” in Kentik Synthetics can run continuous traceroutes to a target internet resource.

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How to find applications with NetFlow

Kentik

Perhaps you want to know if the traffic you are investigating is related to video streaming, voice or social media. Looking at NetFlow, IPFIX (Internet Protocol Flow Information Export), or even sFlow (a standardized protocol similar to NetFlow) records today, you will find that most everything runs on port 80 or 443.

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The malware threat landscape: NodeStealer, DuckTail, and more

Engineering at Meta

We’re sharing our latest threat research and technical analysis into persistent malware campaigns targeting businesses across the internet, including threat indicators to help raise our industry’s collective defenses across the internet. For more security tips, visit our Newsroom.

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23 Good-To-Know Networking Acronyms and Abbreviations

CATO Networks

SD-WAN Software-Defined Wide Area Network (SD-WAN) is a virtual WAN architecture offering optimized traffic routing over multiple different media (broadband, MPLS, 5G/LTE, etc.). By choosing the best available path, SD-WAN provides better performance and reliability than broadband Internet.

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Weekend Reads 092824

Rule 11

Being at the core of the Internet places the DNS under a lot of pressure. New forms of DNS abuse emerge each year, disputes over domain names persist, and all the while, the Internet just keeps getting bigger. The censorship war has hit a flashpoint.

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Kentik True Origin Brings CDN Insights to ISPs

Kentik

By the end of this post you should have a pretty good idea of how True Origin helps network operations and engineering, particularly for Internet Service Providers. That’s why True Origin is a major step forward for every ISP carrying a significant volume of Internet-sourced content. What is True Origin?

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Resilience and Redundancy in Networking

Kentik

Additional network resilience mechanisms Successfully routing a packet over the internet from its source to its destination is not trivial. IP address abstraction and failover capabilities with DNS Domain Name System (DNS) is a system for mapping domain names to IP addresses. Let’s highlight some of the primary protocols.