Public bug reported:

The udev rules for scanners now allow everyone to scan by using acl
control,  the problem with this control is that it doesn't allow the
saned user/group to access the scanner.

This prevents scanners from being scared over the network, unless
they're hp scanners. There are some workarounds for instance:

http://blog.crox.net/archives/64-Scanner-permissions-in-Ubuntu-Karmic-
udev-libusb-saned-problem-with-udev-acl.html

Which when tested didn't work for Maverick. But I think this should be
fixed in the saned rules/acl rules somehow to guarantee the saned
user/group can access scanners.

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: sane (not installed)
ProcVersionSignature: Ubuntu 2.6.32-25.44-generic 2.6.32.21+drm33.7
Uname: Linux 2.6.32-25-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Fri Apr 29 16:45:20 2011
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
ProcEnviron:
 LANG=en_GB.utf8
 SHELL=/bin/bash
SourcePackage: sane-frontends

** Affects: sane-backends (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 maverick

** Package changed: sane-frontends (Ubuntu) => sane-backends (Ubuntu)

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https://bugs.launchpad.net/bugs/773617

Title:
  Saned group is missing permissions to access scanners via udev-acl

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