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  • Everything Else 2026.10.30

    He Was My Captain

    Sir Patrick Stewart died October 28 at 86. I was seven when The Next Generation premiered, and I taped every episode I could. A lot of us had a captain before we had much else.

  • Security 2026.10.26

    Tailworm: What to Lock Down in Tailscale Before the Patch Lands

    A researcher published 11 Tailscale and headscale findings, led by an SSH bug that turns one compromised device into root on its peers. Tailscale 1.104.4 and headscale 0.29.7 fix the worst of it.

  • Security 2026.10.21

    eMudhra's Bad Keys, and Why I Still Won't Decrypt Your Traffic

    Eight eMudhra intermediate CAs shipped with single-byte private keys. Browsers were covered within hours. Your scripts, appliances and decrypting firewall were not.

  • Networking 2026.10.20

    Link Aggregation Deep Dive, Part 2: The Multi-Chassis Lie

    How vPC, MLAG, MC-LAG, VLT, VSX, and CLAG all spoof one LACP System ID across two switches, how each pair keeps the lie consistent and fails, and why the industry ignored the IEEE standard that already solved multi-chassis.

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Networking

74 posts, newest 2026.10.20

More in Networking →

Security

16 posts, newest 2026.10.26

More in Security →
  • 2026.10.15

    Nobody Told Me About ykman otp swap

    Your YubiKey fires a Yubico OTP on any short touch because slot 1 ships that way from the factory. Two commands fix it, and one of them has a catch worth knowing about first.

  • 2024.02.16

    Debating SSL Decryption in 2024

    Every security vendor wants SSL decryption at the edge, but HTTPS interception breaks the TLS trust chain and invites MitM attacks. The case for inspecting at the endpoint instead.

  • 2022.12.19

    Will 2023 Be the Year of Artificial Intelligence for InfoSec?

    AI and ML can spot threats faster and lighten the security team's load, but they're only as good as their training data. Use them as one layer, never the only one.

  • 2026.05.04

    Vendor PSA: A Field Guide to Field Day

    A field guide for vendors presenting at Tech Field Day events. Read the bios, kill the NASCAR slide, send the deck afterward, and stop treating delegates like sales leads.

  • 2026.04.27

    Tim Cook is Leaving. Good.

    Tim Cook built Apple's supply chain into a fortress. Apple's software got measurably worse on his watch. John Ternus has one chance to fix it.

  • 2023.05.10

    Cisco Viptela Drops the Ball

    A certificate expired on May 9, 2023 and vEdge 100, 1000 and 2000 routers started losing service. Cisco fumbled a 10 year cert again, eight years after the WLC one.

  • 2026.05.22

    Heading to CHI-NOG 13

    Two days of workshops and operator talks in Chicago. RPKI hands-on labs, Nokia AI fabric design, and conversations with engineers who actually operate networks.

  • 2026.04.23

    Shameless Plug: The RouterJockey Store Is Back

    RouterJockey merch is back. 'PCAP or it didn't happen' t-shirts, polos, notebooks. Higher quality than the 2015 store, fewer products, more care.

  • 2026.02.26

    Networking Field Day 40 – Back at It Again

    NFD40 delegate lineup and agenda: AI networking, network automation, silicon, and vendor pitches from Arista, Cisco, Nokia, Netris, and others.