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9월 5일

Adventures In Latency

Monitoring and troubleshooting latency can be tricky. If it’s in the network, was it the IP stack? A NIC? A switch buffer? A middlebox somewhere on the WAN? If it’s the application, can you, the network engineer, bring receipts to the app team? And what if you need to build and operate a network that’s... Read more »

9월 5일

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58분
4일 전

Hollow Core Fiber Outshines Glass; Broadcom Bags Big AI Bucks

Take a Network Break! We shine a red light on an AnyShare Service Agent API vulnerability and an active exploit against FreePBX. SASE vendor Cato Networks makes first-ever acquisition with purchase of AI security startup AIM, Microsoft researchers tout hollow core fiber tests that out-perform glass core fiber optics, and Wi-Fi 7 helps drive up... Read more »

4일 전

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25분
9월 2일

Cisco Gets Serious About Wi-Fi Certs; Is AI Infrastructure Ebullience Ebbing?

Take a Network Break! We start with follow-ups regarding the 7-year-old Cisco bug, risks of AI agents, and Anthropic forcing you to opt out or have your chats saved for five years. Then we highlight a serious vulnerability (which is being exploited in the wild) in Citrix NetScaler ADC and Netscaler Gateway systems. On the... Read more »

9월 2일

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30분
3일 전

CNAE - A New Wired Networking Certification From the CWNP

The CWNP offers vendor-neutral certifications for wireless networking professionals. This summer, the organization rolled out a wired certification, the Certified Network Administrator and Engineer (CNAE). This cert is aimed at wired and wireless network engineers to ensure they have a solid grounding in switching, routing, cabling, and wired protocols. The CWNP says the cert isn’t... Read more »

3일 전

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26분
3일 전

News Roundup--Drift Breach Has Long Reach; FCC Investigates Its Own IoT Security Program

Is any publicity good publicity? On today’s News Roundup we talk about how Salesloft, which makes the Drift chat agent that’s been used as a jumping-off point for credential harvesting and data breach attacks against a bunch of big-name companies, is testing that proposition. We also discuss bugs affecting industrial refrigeration controllers, and Microsoft making... Read more »

3일 전

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37분
8월 28일

IPsec Basics

It’s time to talk crypto. No, not the Bitcoin kind. Ethan and Holly introduce the basics of IPsec, the protocol that authenticates and encrypts traffic between endpoints. They discuss what it is, how it provides trustworthiness and secrecy to IP traffic, and common use cases. They review the different types of IPsec protocols and modes,... Read more »

8월 28일

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58분
8월 29일

HN794: How the Bundle Protocol Enables Interplanetary Networking

How might we get network traffic from Earth to a lunar base? Or Mars? Or to spaceships carrying astronauts or probes exploring space? And how do we get it back? The problem, among other things, is latency. The answer isn’t TCP/IP. The answer is…complicated. On today’s Heavy Networking we explore the challenges of getting packets... Read more »

8월 29일

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1시간 4분
8월 22일

A Deep Dive Into High-Performance Switch Memory

Today’s episode is all about high-performance memory in switches. We dig into the differences among TCAM, SRAM, DRAM, and HBM, and all the complex tradeoffs that go into allocating memory resources to networking functions. If you’ve ever had to select a Switching Database Manager template or done similar operations on a switch, this is your... Read more »

8월 22일

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1시간 35분
9월 2일

RF Risks and How to See Unseen Threats

Our airwaves are alive with radio frequencies (RF). Right now billions of devices around the world are chattering invisibly over Wi-Fi, Bluetooth, Zigbee, and other protocols you might not have heard of. On today’s show we peer into the invisible world to better understand the RF threat environment. Our guest is Brett Walkenhorst, CTO of... Read more »

9월 2일

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1시간
4일 전

NB542: Hollow Core Fiber Outshines Glass; Broadcom Bags Big AI Bucks

Take a Network Break! We shine a red light on an AnyShare Service Agent API vulnerability and an active exploit against FreePBX. SASE vendor Cato Networks makes first-ever acquisition with purchase of AI security startup AIM, Microsoft researchers tout hollow core fiber tests that out-perform glass core fiber optics, and Wi-Fi 7 helps drive up... Read more »

4일 전

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25분

By and for IT engineers, Packet Pushers offers tech podcasts, deep-dives, industry news & analysis, and community for networking, cloud, and security professionals If you like aggregation feeds, the "Fat Pipe" feed is a collection of the most popular shows in our network. The "Everything" feed is absolutely every show we publish on the network.