Conflict with other webservices running on Pi (Ports 80 and 443)

Thats bummer.
But is it this simple to enable the Fritzbox telnet daemon ?

https://www.fritzmod.net/modification/telnet/

It says you have to connect phone and dial the numbers :smiley:

#96*7* Telnet einschalten
#96*8* Telnet ausschalten