Packet Pushers

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8月25日

PQE In PAN-OS; FBI Warns 7-Year Old Cisco Bug Under Attack

Take a Network Break! We double-dip on red alerts as the FBI warns that Russian state hackers are targeting a seven-year-old vulnerability on Cisco IOS and IOS-XE devices (a patch has been available for seven years), and a compromised XZ Utils backdoor is still lurking in some Docker images. Palo Alto Networks has added support... Read more »

8月25日

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47 分钟
3天前

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 »

3天前

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1 小时 4 分钟
8月22日

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 »

8月22日

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1 小时 35 分钟
4天前

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 »

4天前

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58 分钟
8月15日

Understanding Agentic AI for Network Operations (Sponsored)

LLMs and AI-powered chatbots are becoming a regular feature of network operations tools and vendor product portfolios. Now the next iteration of AI in network ops and automation is likely to be agentic. On today’s Heavy Networking, sponsored by HPE Juniper Networking, we talk about what agentic AI actually means, how AI agents will accomplish... Read more »

8月15日

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46 分钟
8月18日

Boom Times for Arista; SonicWall Offers $200K Firewall Warranty

Take a Network Break! We start with critical vulnerabilities in Cisco Secure Firewall Management Center and Fortinet’s FortiSIEM. On the news front, SonicWall announces Gen8 firewalls plus a $200,000 warranty for customers that sign on to SonicWall’s Managed Protection Security Suite. IBM Cloud suffers its fourth major outage since May of this year, SASE vendor... Read more »

8月18日

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31 分钟
4天前

IPv6 Transition Technology Options

Transitioning from IPv4 to IPv6, or at least IPv6-mostly, is no easy task. Today’s show provides some education and advice about IPv6 transition mechanisms. We cover options such as NAT64, DNS64, PREF64, and more, as well as use cases. Also, if your technology vendors aren’t offering some of these mechanisms, ask for them – you’re... Read more »

4天前

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28 分钟
6天前

Pi to Go: Introducing the WLAN Pi Go

The new WLAN Pi Go is small, lightweight Wi-Fi testing tool. It can sniff Wi-Fi frames, measure signals, decode packets, and more. The tool snaps to the back of your phone and connects via a short cable for data and power. The small form factor makes it ready to take it along and test any... Read more »

6天前

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22 分钟
8月19日

Kernel Vs. User Mode In Endpoint Security Software

Microsoft is rethinking allowing endpoint security software to run in the Windows kernel (including third-party and Microsoft’s own endpoint security software). While there are benefits to running security software in the kernel, there are also serious downsides (see the CrowdStrike outage). Dan Massameno joins JJ and Drew on Packet Protector to talk about the role... Read more »

8月19日

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44 分钟
4天前

N4N037: 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 »

4天前

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58 分钟

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.