Apply SeLinux policy to *nix device files


 
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Special Forums Cybersecurity Apply SeLinux policy to *nix device files
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Old 10-11-2014
Error Apply SeLinux policy to *nix device files

If its possible to apply SELinux policies to unix device files, would that be a problem?

I would like to apply a policy to a process and enforce what it can communicate with device-wise (eg. physical network interface port) based on that policy.

Would think that the "selinux-policy-mls" tool could give me that level of segmentation with SELinux?

Thoughts/suggestions?
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getdevpolicy(1M)					  System Administration Commands					  getdevpolicy(1M)

NAME
getdevpolicy - inspect the system's device policy SYNOPSIS
/usr/sbin/getdevpolicy [device...] DESCRIPTION
Without arguments, getdevpolicy outputs the device policy in effect to standard output. With arguments, each argument is treated as a pathname to a device and the device policy in effect for that specific device is printed pre- ceeded by the supplied pathname. USAGE
The device policy adds access restrictions over and above the file permissions. EXIT STATUS
The following exit values are returned: 0 Successful completion. non-zero An error occurred. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ |Interface Stability |See below | +-----------------------------+-----------------------------+ The invocation is evolving. The output is unstable. SEE ALSO
add_drv(1M), rem_drv(1M), update_drv(1M), attributes(5), privileges(5), devfs(7FS) SunOS 5.10 9 Apr 2004 getdevpolicy(1M)