Summary: SELinux is preventing /bin/bash "search" access on /etc/httpd. Detailed Description: Note from bug reporter: This appeared right after installing and starting nagios on Fedora with its default configuration. [SELinux is in permissive mode. This access was not denied.] SELinux denied access requested by sh. It is not expected that this access is required by sh 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://docs.fedoraproject.org/selinux-faq-fc5/#id2961385) Please file a bug report. Additional Information: Source Context unconfined_u:system_r:nagios_t:s0 Target Context system_u:object_r:httpd_config_t:s0 Target Objects /etc/httpd [ dir ] Source sh Source Path /bin/bash Port <Unknown> Host (removed) Source RPM Packages bash-4.0.35-3.fc12 Target RPM Packages httpd-2.2.15-1.fc12.2 Policy RPM selinux-policy-3.6.32-114.fc12 Selinux Enabled True Policy Type targeted Enforcing Mode Permissive Plugin Name catchall Host Name (removed) Platform Linux (removed) 2.6.32.12-115.fc12.i686.PAE #1 SMP Fri Apr 30 20:14:08 UTC 2010 i686 i686 Alert Count 4 First Seen Thu 03 Jun 2010 08:18:30 AM MSD Last Seen Thu 03 Jun 2010 08:19:06 AM MSD Local ID efad5bb7-8be0-46dc-ba0d-abbcc449e20f Line Numbers Raw Audit Messages node=(removed) type=AVC msg=audit(1275538746.32:1249): avc: denied { search } for pid=30732 comm="sh" name="httpd" dev=dm-0 ino=48700 scontext=unconfined_u:system_r:nagios_t:s0 tcontext=system_u:object_r:httpd_config_t:s0 tclass=dir node=(removed) type=AVC msg=audit(1275538746.32:1249): avc: denied { getattr } for pid=30732 comm="sh" path="/etc/httpd/conf.d" dev=dm-0 ino=48701 scontext=unconfined_u:system_r:nagios_t:s0 tcontext=system_u:object_r:httpd_config_t:s0 tclass=dir node=(removed) type=SYSCALL msg=audit(1275538746.32:1249): arch=40000003 syscall=195 success=yes exit=0 a0=94e8e68 a1=bf86ed70 a2=f28ff4 a3=0 items=0 ppid=30731 pid=30732 auid=500 uid=481 gid=465 euid=481 suid=481 fsuid=481 egid=465 sgid=465 fsgid=465 tty=(none) ses=1 comm="sh" exe="/bin/bash" subj=unconfined_u:system_r:nagios_t:s0 key=(null) Hash String generated from catchall,sh,nagios_t,httpd_config_t,dir,search audit2allow suggests: #============= nagios_t ============== allow nagios_t httpd_config_t:dir { search getattr };
What is your version of nagios? Looks like nagios is looking for nagios.conf in /etc/httpd/conf.d.
$ rpm -q nagios nagios-3.2.1-2.fc12.i686
Fixed in selinux-policy-3.6.32-119.fc12
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