piotreek wrote:
Hi guys i found some strange messages in my logs. It seams that
selinux is blocking a dhcp an Iptables.
I found similar post on group about DHCP but my messages are
different.I am using FC7 latest policy update didn't resolve the problem.
P.S I am using firestater as my firewall.
I believe you will need to write custom policy to make this work. You
can simply add these rules using audit2allow.
# grep dhcpc /var/log/audit/audit.log | audit2allow -M mydhcpc
# semodule -i mydhcpc.pp
Having dhcpc allowed to turn on/off firewall rules is of debatable
security risk.
Have a look
Jun 7 08:08:54 c79-70 kernel: audit(1181196527.475:4): avc: denied
{ execute } for pid=1775 comm="sh" name="iptables" dev=sdb1
ino=3793910 scontext=system_u:system_r:dhcpc_t:s0
tcontext=system_u:object_r:iptables_exec_t:s0 tclass=file
Jun 7 08:08:54 c79-70 kernel: audit(1181196527.475:5): avc: denied
{ getattr } for pid=1775 comm="sh" name="iptables" dev=sdb1
ino=3793910 scontext=system_u:system_r:dhcpc_t:s0
tcontext=system_u:object_r:iptables_exec_t:s0 tclass=file
Jun 7 08:08:54 c79-70 kernel: audit(1181196527.475:6): avc: denied
{ getattr } for pid=1775 comm="sh" name="iptables" dev=sdb1
ino=3793910 scontext=system_u:system_r:dhcpc_t:s0
tcontext=system_u:object_r:iptables_exec_t:s0 tclass=file
Jun 7 08:08:54 c79-70 kernel: audit(1181196527.475:7): avc: denied
{ execute } for pid=1776 comm="sh" name="iptables" dev=sdb1
ino=3793910 scontext=system_u:system_r:dhcpc_t:s0
tcontext=system_u:object_r:iptables_exec_t:s0 tclass=file
Jun 7 08:08:54 c79-70 kernel: audit(1181196527.475:8): avc: denied
{ getattr } for pid=1776 comm="sh" name="iptables" dev=sdb1
ino=3793910 scontext=system_u:system_r:dhcpc_t:s0
tcontext=system_u:object_r:iptables_exec_t:s0 tclass=file
Jun 7 08:08:54 c79-70 kernel: audit(1181196527.475:9): avc: denied
{ getattr } for pid=1776 comm="sh" name="iptables" dev=sdb1
ino=3793910 scontext=system_u:system_r:dhcpc_t:s0
tcontext=system_u:object_r:iptables_exec_t:s0 tclass=file
Jun 7 08:08:54 c79-70 kernel: audit(1181196527.475:10): avc: denied
{ execute } for pid=1778 comm="sh" name="iptables" dev=sdb1
ino=3793910 scontext=system_u:system_r:dhcpc_t:s0
tcontext=system_u:object_r:iptables_exec_t:s0 tclass=file
Jun 7 08:08:54 c79-70 kernel: audit(1181196527.475:11): avc: denied
{ getattr } for pid=1778 comm="sh" name="iptables" dev=sdb1
ino=3793910 scontext=system_u:system_r:dhcpc_t:s0
tcontext=system_u:object_r:iptables_exec_t:s0 tclass=file
Jun 7 08:08:54 c79-70 kernel: audit(1181196527.475:12): avc: denied
{ getattr } for pid=1778 comm="sh" name="iptables" dev=sdb1
ino=3793910 scontext=system_u:system_r:dhcpc_t:s0
tcontext=system_u:object_r:iptables_exec_t:s0 tclass=file
Jun 7 08:08:54 c79-70 kernel: audit(1181196527.975:13):
audit_pid=1863 old=0 by auid=4294967295 subj=system_u:system_r:auditd_t:s0
Greatings Peter
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