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Wait, Did AS8003 just disappear?

Kentik

However, despite the new origin (AS749) these prefixes are still routed exclusively through Hurricane Electric (AS6939) and traceroutes to the address space die at a router in Ashburn, Virginia (72.52.92.226, 100ge5-1.core2.ash1.he.net) At the beginning of the day on 7 September 2021, AS749 wasn’t announcing any routes to the global internet.

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Multi-Path TCP: revolutionizing connectivity, one path at a time

CloudFaire

The Internet is designed to provide multiple paths between two endpoints. Attempts to exploit multi-path opportunities are almost as old as the Internet, culminating in RFCs documenting some of the challenges. As a result, Internet devices usually use a single path and let the routers handle the path selection. 4321 hmac 0x.,nop,nop],

TCP 137
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How DoorDash Secures Data Transfer Between Cloud and On-Premise Data Centers

DoorDash Engineering

Due to security and compliance concerns, some vendors handling such sensitive data cannot expose services to the public Internet and therefore host their own on-premise data centers. Under the hood, the Site-to-Site VPN creates two security IPsec tunnels, where data can be encrypted and transmitted over the public Internet.

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Introduction to VXLAN MP-BGP EVPN Route Types

The Network DNA

It operates by using IP plus UDP to travel over the physical network. VXLAN EVPN Basic Topology EVPN Route Type The EVPN control plane advertises the following types of information: Ethernet auto-discovery (AD) routes are route type 1. Every Ethernet segment or every EVPN instance may receive EAD route ads.

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Mind Your MANRS: A Safer Internet Through Secure Global Routing

Kentik

MANRS, or the Mutually Agreed Norms for Routing Security, is an initiative of the Internet Society to help secure internet peering relationships and ultimately help secure global routing. MANRS outlines simple, concrete actions organizations can take, tailored to their role on the Internet….”

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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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AWS Route 53 BGP Hijack: What Kentik Saw

Kentik

In simple terms, Border Gateway Protocol (BGP) is the protocol that routes traffic on the Internet. Each BGP speaking organization is assigned an Autonomous System Number (ASN) that identifies them on the Internet. They can then announce the routes (groups of IP addresses) that they own from their ASN.