Am 02.12.2023 um 09:50:00 Uhr schrieb William Torrez Corea:

> sudo telnet 192.168.1.1
> > Trying 192.168.1.1...
> > Connected to 192.168.1.1.
> > Escape character is '^]'.

That means that the telnet connection was successful

> > Telnet connection from 192.168.1.5:55670 refused.

That means that the remote system closed it.
Check the syslog/journalctl and check how telnet is implemented.
Are tcp-wrappers in inetd used?

Show you inetd config and 
cat /etc/hosts.allow
cat /etc/hosts.deny

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