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The latest blog posts to take off on Hacker News. 223 posts.

Networking & Internet
2025
191

ESP32 WiFi Superstitions

The ESP32 is a popular microcontroller to use for do-it-yourself home automation, sensors, and a variety of other bits and bobs that you might want to take care of around the house. It’s the successor to the venerable ESP8266 which has found its way into many of our WiFi connected devices (seriously, open up a device…

197

Chrome Returns 206 when the Server Returns 403

Chrome Returns 206 when the Server Returns 403 Postmortem It is a feature not a bug! I got detailed explanation from chrome developers which is very helpful. You may find the complete response in the bug ticket. Also this blog post draws a lot of attention after I post it on Hackers News. You may find comments here…

203

IPv6 Is Hard

Yesterday I read this toot (German) over on mastodon which starts with “IPv6 is hard.” No it’s not. It’s different. I ran across this multiple times: There is an A and an AAAA-record for a FQDN, but the web server is only reachable via IPv4. You can easily test this with curl $ curl -4 https://github.com -o /dev/null…