Hartmut Noack wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Andrew Hunter schrieb: > >> One of the features that we are considering is changing the permissions >> on raw1394 /etc/udev/rules.d/40-permissions.rules from disk to audio or >> video. This is a necessary change currently to enable firewire based >> devices to work as a regular user, such as firewire sound cards and >> video cameras. > > Video cams also? Quite strange - I can download easily from a > mini-dv-cam whithout any hassle. First time I mentioned the > permission-issue was when I used a firewire-soundcard first.
IIRC, it is needed to control the camera via firewire. > > > >> The other alternative solution is to add the user to group "disk", >> though this may also cause problems. > > I did this and do not have any problems right now - of course I do notdo > that on a server, it is my Laptop on wich I use the FW-card for mobile > recording. Seriously: I do not see a realworld useage-scenario, whre > adding the user to group disk could be a problem.... > > >> The issue with this is that it creates a rather large security risk for >> the system, in that any device on the firewire bus can run with root >> privileges. This risk is less of an issue for stand-alone machines that >> do not use Ethernet over firewire, > > I never saw a machine using firewire to connect to a network - USB yes > for stuff like Zaurus but FW? While uncommon, the support for Ethernet over firewire does exist. > >> I would like to stress that it _will not_ be changed by default. All >> that we are considering is providing a more accessible way to modify >> those settings. > > Very good idea: PLUS: such a tool should allow to set stuff like > max_user_freq and limits.conf also... If you have any suggestions for items that you are currently editing by hand, consider adding them to https://wiki.ubuntu.com/UbuntuStudio/SettingsApp > > >> In the future, when Ubuntu and by extension Ubuntu Studio move to the >> new firewire stack in the kernel, this issue will be an non-issue. The >> new kernel stack provides much finer granularity and control over >> permissions on specific devices. >> >> The question then I am posing to you guys is this: How many of you >> already change this setting by hand? > > I did, be member of group disk now and it works quite OK for me... > > bg > hzn > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.6 (GNU/Linux) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org > > iD8DBQFHTvRk1Aecwva1SWMRAgtQAJ98zfQiBVcNXocWDDFAHcKJp/41PgCffjAf > TnLNZrKMAKqiTNNGWT7mjFo= > =YwvP > -----END PGP SIGNATURE----- > -- Ubuntu-Studio-users mailing list [email protected] Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-users
