I installed a system from the original FC5 disks and updated to latest
versions in yum repos. I changed over to postfix and found that it
wasnt working for some reason.. no errros to /var/log/messages or
/var/log/secure.. and I completely forgot for a day to look at audit.
When my brain turned back on I found that postfix didnt start because
a it was trying to use a pam entry that I had put in pam_tally.so in.
Woops. Fixed that.. but postfix still wouldnt start up.
This also showed me that my /etc/services file needed a relabel as I
had put in a more verbose one. So I did a complete system relabel in
case I missed something else.
postfix was able to start email but could not do a mailq
doing a mailq showed me things like
allow postfix_local_t initrc_var_run_t:file { read write };
allow postfix_showq_t initrc_var_run_t:file { read write };
type=AVC msg=audit(1159574724.622:397): avc: denied { read write }
for pid=2621 comm="local" name="unix.local" dev=dm-3 ino=163870
scontext=system_u:system_r:postfix_local_t:s0
tcontext=user_u:object_r:initrc_var_run_t:s0 tclass=file
Was caused by:
Missing or disabled TE allow rule.
Allow rules may exist but be disabled by boolean
settings; check boolean settings.
You can see the necessary allow rules by running
audit2allow with this audit message as input.
type=AVC msg=audit(1159574753.636:398): avc: denied { read write }
for pid=2625 comm="showq" name="unix.showq" dev=dm-3 ino=163871
scontext=system_u:system_r:postfix_showq_t:s0
tcontext=user_u:object_r:initrc_var_run_t:s0 tclass=file
Was caused by:
Missing or disabled TE allow rule.
Allow rules may exist but be disabled by boolean
settings; check boolean settings.
You can see the necessary allow rules by running
audit2allow with this audit message as input.
Not sure what I should do next. Turning off the selinux
selinux-policy-targeted-2.3.7-2.fc5
selinux-policy-2.3.7-2.fc5
--
Stephen J Smoogen. -- CSIRT/Linux System Administrator
How far that little candle throws his beams! So shines a good deed
in a naughty world. = Shakespeare. "The Merchant of Venice"
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