Mobile network blocked although relevant country is not blocked

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What app is this about, and its version

nftables-blacklist 2026.09.25~ynh1

What YunoHost version are you running

YunoHost 12.1.41.2 (stable)

What type of hardware are you using

Raspberry Pi 3, 4+

Describe your issue

Hi all,

I’m sharing a problem I ran into with the nftables blacklist app, in case it helps someone else.

After blocking several countries in the app, my server was no longer reachable from my phone over mobile data. It still worked over Wi-Fi. The relevant country was not blocked. Running sudo nft delete table inet blacklist made access work again immediately (temporary workaround).

Cause
My mobile provider uses a range from AFRINIC space (registered to an Austrian company, country: AT in whois), but that range apparently ended up in the list of one of the blocked countries.

Fix

  1. Get the public IP of the phone (Wi-Fi off), e.g. via ifconfig.me. The IP shown in the phone settings is only the local one and is not useful here.
  2. Look up the range owner:
    whois <IP> (check country, descr and route).
  3. In the app’s config panel under Allowlist > List of IPs to allow, add the provider’s range and save. After that the IP was no longer in the blacklist and access from the phone worked again.

Hope this helps someone. Corrections or additions are welcome.

Share relevant logs or error messages

no relevant logs

2

Solved.