Why does SELinux denied access to ntp while starting ntpd service

Issue

• When starting ntpd with 'service ntpd start', the following error messages are generated in /var/log/messages:

Feb  8 20:33:02 sim-proxyagent-tp1 kernel: type=1400 audit(1297197182.565:649): avc:  denied  { read } for  pid=6309 comm="ntpd" name="drift" dev=cciss/c0d0p8 ino=2189056 scontext=user_u:system_r:ntpd_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file

Feb  8 20:33:02 sim-proxyagent-tp1 kernel: type=1400 audit(1297197182.566:650): avc:  denied  { read } for  pid=6309 comm="ntpd" name="passwd" dev=cciss/c0d0p6 ino=4122613 scontext=user_u:system_r:ntpd_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file