SELinux and Nagios (Fedora 9 + Nagios)

[dbcooper]

Hello,

I've setup (via default yum repos) Nagios (nagios-2.11-3.fc9.i386 and all
the needed plugs).

I'm getting the following messages when using SELinux in Target/Enabled
mode.

My knowledge is very limited with SELinux and I'm trying to learn the proper
way to troubleshoot/resolve issues on my own, and hopefully I can use
this as my firts learning curve with it.

Thanks for any suggestions.

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Summary:

SELinux is preventing ping (ping_t) "read" to
/var/spool/nagios/cmd/nagios.cmd
(nagios_spool_t).

Detailed Description:

SELinux denied access requested by ping. It is not expected that this access
is
required by ping and this access may signal an intrusion attempt. It is also
possible that the specific version or configuration of the application is
causing it to require additional access.

Allowing Access:

You can generate a local policy module to allow this access - see FAQ
(http://fedora.redhat.com/docs/selinux-faq-fc5/#id2961385) Or you can
disable
SELinux protection altogether. Disabling SELinux protection is not
recommended.
Please file a bug report (http://bugzilla.redhat.com/bugzilla/enter_bug.cgi)
against this package.

Additional Information:

Source Context                system_u:system_r:ping_t:s0
Target Context                unconfined_u:object_r:nagios_spool_t:s0
Target Objects                /var/spool/nagios/cmd/nagios.cmd [ fifo_file ]
Source                        ping
Source Path                   /bin/ping
Port                          <Unknown>
Host                         xxxxxxxxxx
Source RPM Packages           iputils-20071127-2.fc9
Target RPM Packages
Policy RPM                    selinux-policy-3.3.1-84.fc9
Selinux Enabled               True
Policy Type                   targeted
MLS Enabled                   True
Enforcing Mode                Enforcing
Plugin Name                   catchall
Host Name                     xxxxxxxxxxxxxx
Platform                      Linux xxxxxxxxxxxxx 2.6.25.14-108.fc9.i686 #1
                              SMP Mon Aug 4 14:08:11 EDT 2008 i686 i686
Alert Count                   23
First Seen                    Sun 17 Aug 2008 02:06:45 AM EDT
Last Seen                     Mon 18 Aug 2008 06:11:31 PM EDT
Local ID                      67986880-653f-455c-88bb-5598d451bb14
Line Numbers

Raw Audit Messages

host=xxxxxxxxxxx type=AVC msg=audit(1219097491.87:211): avc:  denied  { read
} for  pid=6420 comm="ping" path="/var/spool/nagios/cmd/nagios.cmd" dev=dm-0
ino=728571 scontext=system_u:system_r:ping_t:s0
tcontext=unconfined_u:object_r:nagios_spool_t:s0 tclass=fifo_file

host=xxxxxxxxxxxxx type=SYSCALL msg=audit(1219097491.87:211): arch=40000003
syscall=11 success=yes exit=0 a0=96dda38 a1=96ddb18 a2=bfec6ae4 a3=0 items=0
ppid=6419 pid=6420 auid=4294967295 uid=493 gid=489 euid=0 suid=0 fsuid=0
egid=489 sgid=489 fsgid=489 tty=(none) ses=4294967295 comm="ping"
exe="/bin/ping" subj=system_u:system_r:ping_t:s0 key=(null)

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