https://www.neilborromeo.com/tags/networking/ Recent content in Networking on Neil Borromeo - I build dependable infrastructure, automation, and digital systems for real-world businesses Hugo en-us Fri, 31 Jan 2025 00:00:00 +0800 https://www.neilborromeo.com/blog/2025/01-31-debugging-a-504-gateway-timeout-through-kubernetes-ingress/ Fri, 31 Jan 2025 00:00:00 +0800 https://www.neilborromeo.com/blog/2025/01-31-debugging-a-504-gateway-timeout-through-kubernetes-ingress/ A practical ingress debugging workflow for cases where the app appears healthy but requests still time out at the edge. https://www.neilborromeo.com/blog/2024/12-10-replacing-cloudflared-kubernetes-credentials-for-a-new-tunnel/ Tue, 10 Dec 2024 00:00:00 +0800 https://www.neilborromeo.com/blog/2024/12-10-replacing-cloudflared-kubernetes-credentials-for-a-new-tunnel/ A draft on rotating a cloudflared tunnel inside Kubernetes by replacing the local credentials and the cluster secrets that reference them. https://www.neilborromeo.com/blog/2024/02-29-fixing-a-cloudflared-tunnel-by-reauthenticating-and-recreating-credentials/ Thu, 29 Feb 2024 00:00:00 +0800 https://www.neilborromeo.com/blog/2024/02-29-fixing-a-cloudflared-tunnel-by-reauthenticating-and-recreating-credentials/ A practical note on repairing a cloudflared setup by upgrading the binary, logging in again, and recreating tunnel credentials. https://www.neilborromeo.com/blog/2024/02-15-setting-up-a-cloudflared-tunnel-for-a-cluster/ Thu, 15 Feb 2024 00:00:00 +0800 https://www.neilborromeo.com/blog/2024/02-15-setting-up-a-cloudflared-tunnel-for-a-cluster/ A first-pass draft on installing cloudflared and using it to provide tunnel access for a cluster environment. https://www.neilborromeo.com/blog/2023/11-30-installing-an-ssh-entry-point-for-wsl-2-on-windows-10/ Thu, 30 Nov 2023 00:00:00 +0800 https://www.neilborromeo.com/blog/2023/11-30-installing-an-ssh-entry-point-for-wsl-2-on-windows-10/ A practical note on exposing a WSL 2 SSH service through Windows port proxy rules. https://www.neilborromeo.com/blog/2023/10-05-forcing-ipv4-and-disabling-ipv6-on-ubuntu-20-04/ Thu, 05 Oct 2023 00:00:00 +0800 https://www.neilborromeo.com/blog/2023/10-05-forcing-ipv4-and-disabling-ipv6-on-ubuntu-20-04/ A short note on disabling IPv6 at the sysctl layer on Ubuntu 20.04. https://www.neilborromeo.com/blog/2023/09-28-fixing-br-netfilter-sysctl-errors-during-kubernetes-node-prep/ Thu, 28 Sep 2023 00:00:00 +0800 https://www.neilborromeo.com/blog/2023/09-28-fixing-br-netfilter-sysctl-errors-during-kubernetes-node-prep/ A quick fix for Kubernetes node setup failures caused by missing bridge netfilter kernel support.