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Category Archives for "Packet Pushers Podcast"

PP081: News Roundup – BRICKstorm Backdoor Targets Network Appliances, GitHub Unveils Supply Chain Defense Plans

From a massive SIM farm takedown to dealing with supply chain attacks targeting npm, our news roundup provides context and commentary on a fresh crop of security news. We discuss exploits against Cisco firewalls and switches, a SonicWall firmware update to remove a rootkit targeting its SMA 100, and GitHub’s plans to harden npm packages.... Read more »

NB546: Meta Mulls GPU Startup Purchase; Indirect Prompt Injection Exacerbates AI Risks

Take a Network Break! We start with a two-part listener follow-up and sound alarms about a serious flaw in Termix and tens of thousands of still-vulnerable Cisco security devices. Alkira debuts an MCP server and AI copilot for its multi-cloud networking platform; Cato Networks releases a Chrome-based browser extension to help secure contractor and personal... Read more »

Tech Bytes: Building a UEC-Supported AI Data Center Fabric With Nokia (Sponsored)

The network plays a key role in AI model and inference training. On today’s Tech Bytes podcast, sponsored by Nokia, we talk about why you need a high-performance network for AI training workloads, essential technologies such as RoCE v2 and others that make Ethernet suitable for scale-out networking, the role of the Ultra Ethernet Consortium... Read more »

LIU001: Growing Pains

Starting any new endeavor is hard. That’s particularly true for a career in tech. And that’s the reason Alexis Bertholf and Kevin Nanns are launching the Life In Uptime podcast. In each episode they’ll sit down with engineers, leaders, and builders in tech to uncover the stories behind their careers to help you see how... Read more »

TCG059: From Source of Truth to Knowledge Graph – Rethinking Network Data

Network automation has a data problem. Traditional tools may hit limitations when managing complex infrastructure relationships. We explore how OpsMill’s InfraHub uses graph databases and temporal versioning to create what our guest calls “the knowledge graph of infrastructure” – enabling true version control at the database level while maintaining the flexibility to model anything from... Read more »

NB545: CISA Orders Immediate Patch of Cisco Vulnerabilities; Firewall Upgrade Blocks Emergency Calls

There’s an abundance of vulnerabilities in this week’s Network Break. We start with a red alert on a cluster of Cisco vulnerabilities in its firewall and threat defense products. On the news front, the vulnerability spotlight stays on Cisco as the US Cybersecurity and Infrastructure Security Agency (CISA) issues an emergency directive to all federal... Read more »

TNO043: Under the Manhole Cover: The Architecture of an Internet Exchange

In an IT world full of abstraction, overlays, and virtualization, it’s important to remember the physical infrastructure that supports all those things. So let’s get inside Mass IX, the Massachusetts Internet Exchange, to get a holistic view of the logical architecture and protocol mechanics of peering and Internet exchanges, as well as the iron, steel,... Read more »

IPB184: IPv6 Basics: Dual-Stack

We’re diving into another IPv6 Basics today with the topic of dual-stack, which means running the IPv4 and IPv6 protocol stacks simultaneously. We get many questions about the implications of running dual-stack, and in this episode we’ll provide answers. We start by getting a little finicky about the definition of dual-stack, and then talk about... Read more »

N4N039: Configuring an IPsec Tunnel

We dive back into the world of IPsec with an episode dedicated to configuring IPsec tunnels. After discussing a listener comment regarding transport mode in IPsec tunnels, Ethan Banks and Holly Metlitzky work through topics such as multi-vendor IPsec configuration, licensing, and the details of configuration and routing. Bonus material: MTU size and NAT-T. Episode... Read more »
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