On Oct 24, 2020, at 3:20 PM, Roger Price wrote:
>
> The NUT project uses port 3493 to receive traffic to the upsd server. Unlike
> the protocols http (80) and https (443), NUT has no specific port for
> encrypted traffic. For the upsdTLS.py daemon. I squatted port 563, but it
> would be much better to have an officially assigned port.
>
> Port 3494 was at one time assigned to
> ibm34943494/tcp # IBM 3494 [Jeffrey_Pilch]
> ibm34943494/udp # IBM 3494 [Jeffrey_Pilch]
>
> The IBM 3494 is a huge tape cartridge device. Over 6000 cartridges at a
> time! It was announced 1995, withdrawn from marketing 2006 and service was
> discontinued 2018.
>
> I see that the port 3494 has disappeared from /etc/services in Debian 9. Is
> it possible to aquire the port for NUT?
I think Russell Kroll registered port 3493 before I started using NUT. (If
others have more information, please jump in.) My understanding is that TCP
port assignments are handled by IANA:
https://www.iana.org/form/ports-services
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