networking

I'm a fan of discovering weird places to host web servers from and a disposable vape pen microcontroller might be the weirdest. Bogdan Ionescu setup their server on a PUYA PY32F002B with 24KiB of flash storage and 3KiB of RAM. They used slattach to convert the serial connection to the microcontroller into a network interface and uIP for the TCP/IP stack. A lot to unpack in the full article.

Discovered via The Morning News.

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Xe worries an incident report after a flapping IPv4 BGP session with their hosting provider affected the availability of some services over IPv4.

  1. An important takeaway:

    The Uptime Kuma instance that caught this incident runs on an IPv4-only network. If it was dual stack, this would not have been caught as quickly.

My machine running status checks via Uptime Kuma is dual stack. This is something I need to look into as well.

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