# sfp (blogs) — RSS Amplifier Recent posts from the 1 feeds in the RSS Amplifier directory that cover sfp. Page: Feed: --- ## [Exposing a Docker nginx Container Over IPv6 (There Is No NAT)](https://tvi.al/exposing-a-docker-nginx-container-over-ipv6-no-nat/) _2026-06-24 · Thomas · tvi.al_ Once your LAN speaks IPv6, the next itch is obvious: make something on it reachable from the internet over IPv6. The example here is a self-hosted blog running behind nginx in Docker, but the recipe applies to any service. The very first thing you have to unlearn is everything IPv4 ## [Enabling IPv6 on Your LAN Behind a MikroTik: From Delegated Prefix to a Working Client](https://tvi.al/enabling-ipv6-on-your-lan-behind-a-mikrotik-slaac/) _2026-06-22 · Thomas · tvi.al_ Your ISP gives you IPv6. Your MikroTik even pulls a prefix from it without complaint. And yet not a single device on your LAN can reach the IPv6 internet, and test-ipv6.com sits at a flat 0/10. This is the most common IPv6 dead end on RouterOS, and the ## [Commit Your Secrets to Git, Encrypted, with SOPS and age](https://tvi.al/commit-your-secrets-to-git-encrypted-with-sops-and-age/) _2026-06-18 · Thomas · tvi.al_ The .env-in-.gitignore reflex pulls your secrets out of the one system that versions everything else. I tried git-crypt, then found something better. Here's how I now commit secrets to Git, encrypted, with SOPS and age. ## [Exposing a Local Service Online for Real-World Testing: the MCP Case with frp](https://tvi.al/exposing-a-local-service-online-the-mcp-case-with-frp/) _2026-06-08 · Thomas · tvi.al_ You built something on http://localhost:3000 . It works on your machine. Then the real world asks a question you can't answer from localhost: can someone — or something — out there actually reach you, over HTTPS, right now? This is the gap between "runs locally" ## [GPON SFP Module Pinout — SFP UART (RX / TX) Reference](https://tvi.al/gpon-sfp-module-pinout/) _2026-06-05 · Thomas · tvi.al_ The standard 20-pin SFP pinout and where the serial console (UART) hides on GPON/XGS-PON ONU sticks — with a verified module table (Huawei MA5671A, WAS-110, V2801F, FS.com…). ## [Flashing a Huawei GPON SFP Stick with Carlito Firmware](https://tvi.al/flashing-a-huawei-gpon-sfp-stick-with-carlito-firmware/) _2026-02-08 · Thomas · tvi.al_ Step-by-step guide to flash Carlito firmware on a Huawei MA5671A GPON SFP stick over serial — picocom, YMODEM, U-Boot. Unlock your ONU module. ## [When Cloud Cameras Go Dark: Lessons From Today’s Eufy Outage](https://tvi.al/when-cloud-cameras-go-dark-lessons-from-todays-eufy-outage/) _2026-01-03 · Thomas · tvi.al_ This morning I woke up to a familiar modern horror story. The Eufy app could not load live video from my cameras. The app just spun. The servers behind the scenes were having a bad day. My setup survived because I stream my Eufy feeds locally over RTSP into Frigate. ## [When your SFP module keeps rebooting: the problem is often the power supply](https://tvi.al/when-your-sfp-module-keeps-rebooting-the-problem-is-often-the-power-supply/) _2025-12-20 · Thomas · tvi.al_ You plug your SFP/ONU module into your USB-to-TTL adapter, open your serial terminal, and suddenly you see this repeating over and over again: U-Boot 2011.12-lantiq-gpon-1.2.24 (Nov 03 2014 - 22:46:28), Build: falcon\_sfp\_linux Board: SFP DRAM: 64 MiB Now running in RAM - ## [Record 4K camera stream using GPU transcoding with Frigate and Go2RTC](https://tvi.al/record-4k-camera-stream-using-gpu-transcoding-with-frigate-and-go2rtc/) _2025-10-14 · Thomas · tvi.al_ If you’re running Frigate with a 4K camera like the Reolink E1 Outdoor , you’ve probably noticed that your storage fills up fast. The main stream is 4K (or UHD), the substream is often too low quality (640x480), and there’s no native 1080p option in ## [Wi-Fi Security While Traveling: Why I Use a GL.iNet MT-3000 Travel Router](https://tvi.al/wi-fi-security-while-traveling-why-i-use-a-gl-inet-mt-3000-travel-router/) _2025-09-01 · Thomas · tvi.al_ Traveling is exciting—new cities, new cultures, new coffee shops to work from. But if there’s one thing I never trust when I’m on the road, it’s public Wi-Fi. Airports, hotels, co-working spaces, and cafés all offer "free Wi-Fi," ## [Open-source Screen Sharing with Control (Sponsored)](https://crawlproof.com/a/mdcG9RXbWttF) _2025-09-01 · **Sponsored**_ WebRTC screen sharing with simultaneous mouse & keyboard control; viewers join in browser. ## [Ghost CMS: MySQL by default, but SQLite still has a place](https://tvi.al/ghost-cms-mysql-by-default-but-sqlite-still-has-a-place/) _2025-08-03 · Thomas · tvi.al_ Last reviewed: Aug 2025 Ghost’s v5.x series made MySQL 8 the officially supported database in production. The change gives the core team one stack to maintain and unlocks features that depend on MySQL-specific functions. Yet the single-file convenience of SQLite is still attractive for certain workloads, especially ## [GPON SFP-ONU Sticks: FS.com vs Huawei MA5671A (and How to Flash)](https://tvi.al/flash-gpon-onu-sticks-with-sfp-to-serial-adapter/) _2025-08-02 · Thomas · tvi.al_ FS.com GPON-ONU-SFP-20B vs Huawei MA5671A: chipset, firmware and flashing difficulty — which GPON SFP stick to buy and how to get a serial console.