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Old 02-22-2007, 07:57 AM   #1
xiaodown
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Distribution: Redhat, Centos, Fedora
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Need to have USB thumbdrives mount without world-read permissions in FC6


I need to find a way to have fedora mount any usbkey that's plugged in as non-world readable. I've been googling and haven't found a good solution so far.

Most people seem to say changing udev is the way to go, but in /etc/udev/rules.d/ there's not a "50-permissions" to edit, and furthermore, I've grepped the entire directory - there's nowhere that it lists 755 (the permissions that the drive is mounted with) or 022 (corresponding umask).

All I need is to change the permissions on usb storage devices (or, for all I care, all devices from /dev/sd*, as there aren't any other scsi devices) so that they automatically mount as 750, owner:root.
 
Old 02-23-2007, 08:57 AM   #2
xiaodown
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bumpitty bump
 
Old 02-26-2007, 10:56 AM   #3
xiaodown
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Bump:

I've done some more exploring on teh intarwebs, and it seems that this is managed by the HAL daemon and some form of hotplug.

But I can't seem to find any documentation on HAL / hald, and I can't find any config files for it or hotplug (everything I find is somehow pointing back to udev, but I can't find anything in udev about default umasks, nor can I find anything that lists 755 or 022).

Help, please.
 
Old 12-23-2008, 01:29 PM   #4
jeanmarc
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USB mount world readable in Fedora 8.

If someone would point to relevant information about hald and mount permission it would be appreciated.

Automated mount from haldaemon in Ubuntu set correct permissions (0700), but not in Fedora 8 (0755). I'm unable to find what to look for. I guess it's to be specified somewhere in /usr/share/hal/fdi/policy/ but I don't really know how to understand these files.
 
  


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