[Discuss] printer issue

[epp at null.net]

My printer is an OfficeJet Pro 8210 and it will prompt to download and
install a software upgrade, if available, when it's connected to the
network. It has upgraded the software once, since I've had it. I do not
know how often it checks HP for updates.



On 6/24/22 15:54, Ben Kallus wrote:
> It's worth noting the security risks that come with network printers.
> Their firmwares is not often updated, and has been shown to be
> insecure time and time again.^1 You may be better off connecting it to
> a computer you trust, then exposing it as a network printer through
> that computer. The photosmart D110 is the printer I had as a kid, and
> I don't think it's gotten an update in a very long time.
>
> [1]: https://techventures.columbia.edu/news-and-events/latest-news/symbiote-technology-created-ang-cui-and-salvatore-stolfo-named-one
>
>> On Jun 24, 2022, at 1:58 PM, epp at null.net wrote:
>>
>> On 6/24/22 11:21, dan moylan wrote:
>>
>>> running fc36 on lenevo thinkpad T460 (alphacent), printer hp
>>>
>>> photosmart d110.
>>>
>>>
>>> because of other problems, xfinity just came and provided a
>>>
>>> new modem/router/wifi.  i logged into xfinity's device and
>>>
>>> set up reserved ip addresses for my stuff in accordance with
>>>
>>> /etc/hosts:
>>>
>>>
>>> 127.0.0.1       localhost.localdomain localhost
>>>
>>> 127.0.0.1       alphacent.localdomain  alphacent
>>>
>>>
>>> 10.0.0.1         xfinity.localdomain xfinity
>>>
>>> 10.0.0.63        aldeberon.localdomain aldeberon
>>>
>>> 10.0.0.62        d110.localdomain d110
>>>
>>> 10.0.0.61        unknown
>>>
>>> 10.0.0.60        alphacent.localdomain alphacent
>>>
>>> 50.87.218.82     bluedan
>>>
>>>
>>> all is well, except for the printer.  i went through the
>>>
>>> wireless setup on the printer which declared success, but
>>>
>>> the xfinitiy modem shows it as an offline device --
>>>
>>> un-pingable.
>>>
>>>
>>>    moylan nmp[1111] nmap -Pn 10.0.0.62 > 3log
>>>
>>>
>>>    Starting Nmap 7.92 ( https://nmap.org ) at 2022-06-24 11:14 EDT
>>>
>>>    Nmap scan report for d110.localdomain (10.0.0.62)
>>>
>>>    Host is up (0.10s latency).
>>>
>>>    All 1000 scanned ports on d110.localdomain (10.0.0.62) are
>>>
>>>    in ignored states.  Not shown: 990 filtered tcp ports
>>>
>>>    (no-response), 10 filtered tcp ports (host-unreach)
>>>
>>>
>>>    Nmap done: 1 IP address (1 host up) scanned in 7.04 seconds
>>>
>>>
>>> what's going on?
>>>
>>>
>>> ole dan
>>
>> I swapped out my gateway with Comcast last month because of the speed
>> increases back in March. My HP printer was connected to the previous and
>> is connected to the new, via Ethernet. The printer apparently retained
>> its IP address in its settings, so once it was connected to the new
>> gateway, it just worked.
>>
>> If the above is the IP address of the printer and HPLIP is already
>> installed, as superuser/root, running:
>>
>> hp-setup -a 10.0.0.62
>>
>> in a terminal window, should otherwise configure it.