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>
> FWIW, there are times where telnet is the only viable option.  We have an internal system running a real old version of Unix used for X.400/X.25 communication for which ssh is not an option.
>

But that would be the unix server running telnet and not the Linux system as in this case....

There's very few, if any, reasons for a Linux server today to be running a telnet server instead of our alongside ssh...