Did you put a space between the pound and your text?

# should look like this

Pound, check out Markdown syntax somewhere online. There’s a ton of different flavors, but most of the basics (headings/bold/italics/links/etc) are the same.

It’s pretty common for newer 3D printers to have WiFi. Start/stop jobs, monitor cameras, or just to have a more capable UI than the built-in screen. Lots of people add this capability to older printers (or new ones with sucky interfaces) with OctoPrint.

Big +1 for Valetudo. I use it on a refurbished Roborock S7+ I got on eBay and it’s fantastic.

Easy way to avoid this: choose a different port. I think it’s a safe bet the crawlers are just checking 25565. I’ve had a server up for months with zero issues.

The wall of shame is fantastic, thanks for sharing it.