SELinux and RHEL6.2 preventing disk checks via NRPE

[Dennis Kuhlmeier]

Hello,

after upgrading to RHEL6.2 I have problems checking some
filesystems. Always the same three FS on all hosts, others work fine.

/boot
/home
/var/log/audit

$ ./check_nrpe -H backup -c check_fs_boot
DISK CRITICAL - /boot is not accessible: Permission denied

Now I disable SELinux and it works!
$ ./check_nrpe -H backup -c check_fs_boot
DISK OK - free space: /boot 36 MB (39% inode=99%);| /boot=55MB;96;;0;96

Although not a single line is logged on the monitored host, neither
in messages nor in audit.log

I already had a local policy created for the nrpe daemon when RHEL6
was introduced, as somehow many checks failed, although the user
nrpe was running in was allowed to perform all checks, the nrpe
daemon itself couldn't. I'll attach the policy, although at one
point I gave up and just set the entire process to permissive mode.
(note that I tried to extend rights on boot filesystem in this
policy already, although it would seem to be unnecessary)

Anybody experiencing something alike or any suggestions about how to
handle nrpe and RHEL6(.2) in a better way than I am?

Regards,

Dennis




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