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Why does this mysterious login page suddenly appear whenever I try to access my services? (alien.top)

submitted 11 months ago by [email protected] to c/[email protected]

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Issue: Random 2FA login screen appears whenever I try to access my services, I have not set up 2FA on my server. Still shows up even when I stop and remove Caddy container, maybe something went wrong on DuckDNS's side?

Additional info: Server runs on Debian 12, I use DuckDNS and Caddy for reverse-proxy, and mainly use the server for Jellyfin, Nextcloud, Vaultwarden, and Komga all on Docker.

Have I been hacked? I stopped all the containers but should I also power off my machine? Any help would be appreciated, sorta panicking lol

https://preview.redd.it/k8wp4svjmzvb1.jpg?width=1905&format=pjpg&auto=webp&s=c76a891bd0540268ac11cd6e255eb5f960cc74f4

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[–] [email protected] 2 points 11 months ago* (last edited 11 months ago)

Are you accessing it over DNS or through its IP address? Does it show for both?

Edit: the security fabric login screen appears to be something from a Fortinet firewall. Do you have a hardware firewall?

[–] [email protected] 1 points 11 months ago

Did your ip change and duckdns didn't update? You're probably getting someone else's services, if they got your previous ip.

[–] [email protected] 1 points 11 months ago

I've had some weird stuff happen with duckdns

[–] [email protected] 1 points 11 months ago

Isn't this a fortinet firewall, I've used this in my class to learn about it