Chris,
Thanks for forwarding this!
Looks like the bulk of the open "devices" are CUPS servers, which would have needed to be explicitly configured to allow remote access - the default is localhost-only, then local subnets (for regular printer sharing), then whole-internet (if you want things wide open...)
> On Jun 24, 2020, at 12:09 AM, Rizzo, Christopher via ipp <ipp at pwg.org> wrote:
>> Maybe you have already seen this. Forwarding in case it needs discussion
>>https://www.shadowserver.org/news/open-ipp-report-exposed-printer-devices-on-the-internet/>>> Chris
>> Christopher Rizzo
> Xerox Corporation
> GDG/Discovery/Advance Technology
> 26600 SW Parkway Ave.
> Wilsonville, OR 97070-9251
> Phone: (585) 314-6936
> Email: Christopher.Rizzo at xerox.com>> "The realization came over me with full force that a good part of the remainder of my life was going to be spent in finding errors in my own programs."
> -Maurice Wilkes, Memoirs of a Computer Pioneer
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Michael Sweet