https://iter8lab.net/tags/networking/ Recent content in Networking on iter8lab https://iter8lab.net/images/mascot.png https://iter8lab.net/images/mascot.png Hugo en-us Fri, 17 Apr 2026 00:00:00 +0000 https://iter8lab.net/posts/2026-04-17-one-wrong-digit/ Fri, 17 Apr 2026 00:00:00 +0000 https://iter8lab.net/posts/2026-04-17-one-wrong-digit/ A single transposed digit in a DNS IP address was resetting the entire Netbird mesh every 90 minutes. Closing OHP#58. https://iter8lab.net/posts/2026-04-16-three-alarms-and-a-dark-network/ Thu, 16 Apr 2026 00:00:00 +0000 https://iter8lab.net/posts/2026-04-16-three-alarms-and-a-dark-network/ A filebrowser healthcheck fix turned into XFS surgery, then VLAN 100 went completely silent, and storage02 threw a rootkit alert for good measure. https://iter8lab.net/posts/2026-04-11-indirect-peer/ Sat, 11 Apr 2026 00:00:00 +0000 https://iter8lab.net/posts/2026-04-11-indirect-peer/ site02-kvm01 is now reachable through Netbird — not as a direct peer, but via kvm01’s subnet route. Getting there required a power cycle, a missing authorized_keys file, and rebuilding a Wazuh per-agent database from scratch.