On 8/6/20 4:37 PM, Robert Marcano via devel wrote:
On 8/6/20 3:48 AM, Zdenek Dohnal wrote:
> On 8/5/20 2:30 PM, Jiří Eischmann wrote:
>>
>> Will it be possible to use a Fedora machine as a server, so that I
>> can
>> have an old scanner connected to it via USB and then shared with other
>> devices on the local network via those protocols?
>> That would be neat.
>>
>> Jiri
>
> Hi Jirka,
>
> IIRC it is possible even now via saned on the server, but saned doesn't
> use WSD or ESCL, just simple TCP transfer between client and server.
>
> In practice it looks like - you have a proprietary or sane-backends
> supported USB scanner (sane-airscan doesn't work for USB devices), you
> set up ACL on saned and setup clients to connect to the server.
From the README, it looks like some manufacturers allow eSCL to work
over USB too:
However, most (all?) of the eSCL devices will also work over USB, if
IPP-over-USB daemon is installed on your computer
and some are even USB only:
[2]: this device is USB-only, but it works well with the IPP-over-USB
daemon.
I hope this becomes a trend for non networked scanners too.
I had a suspicion ipp-over-usb daemon like ipp-usb or ippusbxd could
help, but I wasn't sure (it was created for supporting USB printer
devices), so didn't want to spread any mystification.
ipp-over-usb daemons - ipp-usb and ippusbxd - are on my list what to
package, they will come into Fedora this year (I hope).
>
> sane-airscan is a backend for communication with scanner supporting
> WSD/ESCL, it doesn't use those protocols for sharing the device.
>
> Zdenek
>
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--
Zdenek Dohnal
Software Engineer
Red Hat Czech - Brno TPB-C