Permissions problem for sane

Adrian Chadd adrian.chadd at
Mon Aug 10 05:17:00 UTC 2015


Why isn't this the default behaviour for the saned package? Would it
be possible to make it just be said default behaviour?


On 6 August 2015 at 14:15, Warren Block <wblock at> wrote:
> On Thu, 6 Aug 2015, Patrick Hess wrote:
>> Anthony Campbell wrote:
>>> Should I modify the permissions on /dev/ugen0.2?
>> In contrast to what many other people might suggest, I'm personally not
>> a big fan of providing users broad access to all kinds of device nodes.
>> So instead of messing around with permissions, I prefer to make use of
>> the saned(8) network daemon.
>> This is actually pretty straightforward to set up. You'll need to add
>> these two lines to your /etc/rc.conf:
>>    saned_enable="YES"
>>    saned_uid="root"
>> Now either reboot the machine or run the following command to start
>> the network daemon right away:
>>    # service saned start
>> Then add the following line to /usr/local/etc/sane.d/net.conf:
>>    localhost
>> Any non-privileged user should now be able to access the scanner.
>> For starters, try to get a list of scanners available on the server:
>>    > scanimage -L
>>    device `net:localhost:plustek:libusb:/dev/usb:/dev/ugen1.2'
>>    is a Canon CanoScan N1240U/LiDE30 flatbed scanner
>> The nice part about using saned(8) is that you can easily make the
>> scanner available to other machines on the network. Just add your
>> network to the server's /usr/local/etc/sane.d/saned.conf and then
>> add an entry for the server to the /usr/local/etc/sane.d/net.conf
>> on each of the clients.
> This is the kind of stuff we should be adding to the Handbook section on
> scanners.  Thank you for posting it!
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