470 episodes

The Packet Pushers Podcast Network offers continuous professional development for IT professionals. Keep up with networking, security, cloud, career, and more. We bring the IT community together--engineers, architects, vendors, developers, educators, etc. In this feed, listen to every conversation we record!

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    • Technology
    • 4.9 • 183 Ratings

The Packet Pushers Podcast Network offers continuous professional development for IT professionals. Keep up with networking, security, cloud, career, and more. We bring the IT community together--engineers, architects, vendors, developers, educators, etc. In this feed, listen to every conversation we record!

    Network Break 400: Ex-Cisco CEO Launches Network Startup; The Persistence Of Floppy Disks

    Network Break 400: Ex-Cisco CEO Launches Network Startup; The Persistence Of Floppy Disks

    Take a Network Break! On this week’s podcast we cover Nile, a networking startup backed by former Cisco CEO John Chambers. Palo Alto Networks may be eyeing a cloud security startup for purchase, and US government agencies would like service providers to implement BGP security.

    SASE growth surges in Q2 2022, satellite operators want more than five years to get decommissioned satellites out of orbit, and a small outfit is doing good business as the last floppy disk store standing.

    Get links to all these shows below.

    Sponsor: ITProTV

    Start or grow your IT career with online IT training from ITProTV. Learn IT, pass your certs, and get a great job! Visit itpro.tv/NETWORKBREAK for 30% off all plans. Use promo code NETWORKBREAK at checkout.

    Tech Bytes: Palo Alto Networks

    Today on the Tech Bytes podcast we talk with Palo Alto Networks about the latest AI Ops features for SD-WAN, including network insights, predictive circuit capacity exhaustion, and other features.

    Show Links:

    Former Cisco boss launches competing startup – The Register

    Former top Cisco executives launch networking startup Nile – SiliconANGLE

    Nile Emerges to Lead Network Market Transition with Disruptive Simplicity; Unveils industry’s First, Self-Driven Network Platform Taking Direct Aim at $75B Annual Enterprise Operational Spend – Nile

    Palo Alto Networks on verge of $600 million acquisition of Apiiro – Ctech

    Feds push for BGP security updates, but ISPs balk at mandates – Light Reading

    SASE Bucks Economic Uncertainty with Over 30 Percent Growth in 2Q 2022, According to Dell’Oro Group – Dell’Oro Group

    Satellite operators want option to exceed deorbiting rules – The Register

    Handbook for Limiting Orbital Debris | Standards – NASA

    We Spoke With the Last Person Standing in the Floppy Disk Business – Eye on Design

    • 45 min
    Tech Bytes: Palo Alto Networks Enhances AIOps For Prisma SD-WAN (Sponsored)

    Tech Bytes: Palo Alto Networks Enhances AIOps For Prisma SD-WAN (Sponsored)

    Today on the Tech Bytes podcast we talk with Palo Alto Networks about the latest AI Ops features for SD-WAN. AI Ops is a broad term for software that analyzes network data and then makes recommendations on issues and problems. This proactive capability has become necessary as network complexity grows to encompass underlays, overlays, on and off-prem cloud destinations, remote working, and …. well, everything.

    Our guest is Bill Pruitt, Senior Product Management, SASE, at Palo Alto Networks.

    Show Links:

    Palo Alto Networks SASE

    Prisma SD-WAN on LinkedIn

    Prisma SD-WAN on Twitter

    • 16 min
    Heavy Networking 648: Using Zero Knowledge Middleboxes To Enforce Policy On Encrypted Traffic

    Heavy Networking 648: Using Zero Knowledge Middleboxes To Enforce Policy On Encrypted Traffic

    If you use a middlebox such as a firewall or proxy to enforce security policies on network traffic, you’re well aware of the problem of pervasive encryption. If the middlebox can’t read the data stream, how can policy be enforced?

    The usual answer to this was to give a proxy keys so it could be a man in the middle of an encrypted session, at least for those few hosts you have the keys for. But as most of the traffic you want to inspect isn’t heading to a server you control, the man in the middle approach isn’t viable most of the time.

    And that’s especially the world we live in today, where the payload of everything from web to chat to DNS queries is probably encrypted. Our middleboxes can’t see what’s inside to protect us from the bad stuff.

    But what if there was a way a middlebox could still accurately enforce policy on encrypted traffic? That’s the research Paul Grubbs has been working on as an Assistant Professor at the University of Michigan. He wrote about “Unpacking Zero Knowledge Middleboxes” on the APNIC blog in July 2022, and we’re chatting with him about zero knowledge middleboxes today.

    We discuss:



    * Paul and his team’s research in zero knowledge middleboxes

    * How encryption can impact security policy enforcement

    * Using cryptographic verification between clients and middleboxes for policy enforcement

    * Use cases such as DNS

    * Practical implications and potential drawbacks

    * More



    Sponsor: IP Fabric

    IP Fabric recently sponsored an EMA research report discussing “The Future of DC Network Automation” which revealed more than half of organizations that use manual data gathering processes feel it undermines their automation efforts. That’s where IP Fabric comes in. IP Fabric puts the right data in the hands of the people who need it. Download the full report now, for free, at ipfabric.io/packetpushers.

    Show Links:

    Zero-Knowledge Middleboxes – Paul Grubbs, Arasu Arun, Ye Zhang, Joseph Bonneau, and Michael Walfish

    Unpacking Zero Knowledge Middleboxes – APNIC Blog

    @pag_crypto – Paul Grubbs

    Paul Grubbs’s Academic Website

    • 1 hr 2 min
    IPv6 Buzz 110: The Peculiar Power Of DHCPv6 Option 108

    IPv6 Buzz 110: The Peculiar Power Of DHCPv6 Option 108

    On today’s IPv6 Buzz podcast, Scott and Tom talk about DHCPv6 Option 108. Option 108 basically allows a DHCP server to use IPv4 to contact a host and tell that host to disable its IPv4 stack and switch to IPv6-only. In other words, you’re using IPv4 to turn off IPv4. This peculiar capability is proposed in RFC 8925: IPv6-Only Preferred Option for DHCPv4.

    We discuss:



    * DHCPv6 Option 108 and what it does

    * Operational use cases for this option

    * Current OS support

    * Using Option 108 to turn off IPv4 for short intervals instead of permanently

    * How Option 108 fit into the larger picture of DHCPv6 in particular and IPv6 auto-addressing in general



    Thanks for listening!

    Sponsor: ITProTV

    Start or grow your IT career with online training from ITProTV. From CompTIA to Cisco and Microsoft, ITProTV offers more than 5,800 hours of on-demand training. Courses are listed by category, certification, and job role. IPv6 Buzz listeners can sign up and save 30% off all plans. Go to itpro.tv/buzz and use promo code BUZZ to save 30%.

    Show Links:

    IPv6-Only-Preferred Option for DHCPv4 (RFC 8925) – IETF

    IPv6 Router Advertisement IPv6-Only Flag – IETF

    Your Hosts:



    * Tom Coffeen @ipv6tom

    * Scott Hogg @scotthogg

    • 24 min
    Day Two Cloud 164: DevSecOps Is A Real Thing

    Day Two Cloud 164: DevSecOps Is A Real Thing

    Today on the Day Two Cloud podcast, we talk DevSecOps and how it’s more than just a marketing term. We also discuss Infrastructure as Code (IaC) and IT as Code and what that actually means for operations folks. It doesn’t mean you have to write code all day, but we make an effort to put some specifics around what an Ops person should know when it comes to code.

    Our guest is Mike Fraser, VP of DevSecOps at Sophos.

    Show Links:

    @itascode – Mike Fraser on Twitter

    ITasCode – Mike Fraser on LinkedIn

    • 46 min
    Full Stack Journey 070: A Network Automation Career Journey With Eric Chou

    Full Stack Journey 070: A Network Automation Career Journey With Eric Chou

    On today’s Full Stack Journey podcast we welcome guest Eric Chou (@ericchou on Twitter; here’s his LinkedIn profile), an author, educator, and network engineer who shares the story of his career journey. From traditional network engineering to the birth of “cloud” at Amazon and now working to share his knowledge via blog posts, videos, books, and classes, Eric has some great career lessons to share with listeners.

    We discuss



    * How a “classic” network engineer end up working in cloud at Amazon

    * What it was like working at Amazon during the birth of S3 and EC2

    * What drew him to network automation, and why network automation with Python?

    * Why he started writing blogs and sharing content

    * What keeps him motivated to continue sharing content, and what can listeners learn from that?



    Eric is an entertaining guest with a real heart for helping others. This is a not-to-be-missed episode!

    Sponsor: ITProTV

    Start or grow your IT career with online IT training from IT Pro TV. It’s never too late to start a new career in IT or move up the ladder, and IT Pro TV has you covered: from CompTIA and Cisco to EC Council and Microsoft, there’s more than 5,800 hours of on-demand training. Full Stack Journey listeners can sign up and save 30% off all plans! Visit itpro.tv/FULL and use promo code FULL at checkout.

    Show Notes:

    Blogging for the Right Reasons – Scott Lowe

    @ericchou – Eric on Twitter

    Eric Chou on LinkedIn

    Eric Chou on YouTube

    Practical Python For Networking Course – YouTube

    Eric’s author page – Amazon

    Network Automation Nerds

    • 43 min

Customer Reviews

4.9 out of 5
183 Ratings

183 Ratings

bigbriinpgh ,

Must listen if you’re in networking

Great podcast but but take some of the opinions with a grain salt

kenhagen ,

Awesome show!

I enjoyed the show on IXPs.

NajCo ,

Best IT podcast on Planet Earth!

This is the best IT podcast. I've been listening to it for years and it's only getting better. Subscribe & enjoy!

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