Summary:

SELinux is preventing /usr/lib/cyrus-imapd/cyrus-master from binding to port
4190. [NOTE: Port 4190 is the cyrus "sieve" service. - jik]

Detailed Description:

SELinux has denied the cyrus-master from binding to a network port 4190 which
does not have an SELinux type associated with it. If cyrus-master should be
allowed to listen on 4190, use the semanage command to assign 4190 to a port
type that cyrus_t can bind to (pop_port_t, mail_port_t, lmtp_port_t).
If cyrus-master is not supposed to bind to 4190, this could signal an intrusion
attempt.

Allowing Access:

If you want to allow cyrus-master to bind to port 4190, you can execute
# semanage port -a -t PORT_TYPE -p tcp 4190
where PORT_TYPE is one of the following: pop_port_t, mail_port_t, lmtp_port_t.
If this system is running as an NIS Client, turning on the allow_ypbind boolean
may fix the problem. setsebool -P allow_ypbind=1.

Additional Information:

Source Context                unconfined_u:system_r:cyrus_t:s0
Target Context                system_u:object_r:port_t:s0
Target Objects                None [ tcp_socket ]
Source                        cyrus-master
Source Path                   /usr/lib/cyrus-imapd/cyrus-master
Port                          4190
Host                          (removed)
Source RPM Packages           cyrus-imapd-2.3.15-6.fc12
Target RPM Packages           
Policy RPM                    selinux-policy-3.6.32-56.fc12
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Enforcing
Plugin Name                   bind_ports
Host Name                     (removed)
Platform                      Linux (removed)
                              2.6.31.5-127.fc12.x86_64 #1 SMP Sat Nov 7 21:11:14
                              EST 2009 x86_64 x86_64
Alert Count                   6
First Seen                    Thu 17 Dec 2009 08:07:21 PM EST
Last Seen                     Thu 17 Dec 2009 08:14:12 PM EST
Local ID                      832a6d11-752f-427d-b941-650571dfe703
Line Numbers                  

Raw Audit Messages            

node=(removed) type=AVC msg=audit(1261098852.129:42030): avc:  denied  { name_bind } for  pid=7545 comm="cyrus-master" src=4190 scontext=unconfined_u:system_r:cyrus_t:s0 tcontext=system_u:object_r:port_t:s0 tclass=tcp_socket

node=(removed) type=SYSCALL msg=audit(1261098852.129:42030): arch=c000003e syscall=49 success=no exit=-13 a0=23 a1=7fbce075b4c0 a2=1c a3=7fff27d8701c items=0 ppid=1 pid=7545 auid=3009 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=9 comm="cyrus-master" exe="/usr/lib/cyrus-imapd/cyrus-master" subj=unconfined_u:system_r:cyrus_t:s0 key=(null)



Hash String generated from  selinux-policy-3.6.32-56.fc12,bind_ports,cyrus-master,cyrus_t,port_t,tcp_socket,name_bind
audit2allow suggests:

#============= cyrus_t ==============
allow cyrus_t port_t:tcp_socket name_bind;