Fedora 8: SELinux doesn't allow to manually start sshd?
Ken YANG
spng.yang at gmail.com
Fri Nov 16 09:24:26 UTC 2007
Markelov Andrey wrote:
> Hello!
>
> My system:
> Fedora 8, selinux-policy-3.0.8-44 in targeted mode.
>
> I log in to the system as ordinary user and then do su -.
> When I try to start sshd daemon in Fedora 8 by typing "service sshd start"
> I receive "Permission denied" message and this entry in audit.log:
>
> type=SELINUX_ERR msg=audit(1194792116.506:236): security_compute_sid: invalid context unconfined_u:system_r:sshd_t:s0-s0:c0.c1023 for scontext=unconfined_u:system_r:initrc_t:s0 tcontext=system_u:object_r:sshd_exec_t:s0 tclass=process
> type=SYSCALL msg=audit(1194792116.506:236): arch=40000003 syscall=11 success=yes exit=0 a0=8f58ab0 a1=8f58658 a2=8f451c0 a3=0 items=0 ppid=11059 pid=11068 auid=500 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts4 comm="sshd" exe="/usr/sbin/sshd" subj=unconfined_u:system_r:sshd_t:s0-s0:c0.c1023 key=(null)
>
> When I try to start sshd my id -Z is:
> unconfined_u:system_r:unconfined_t
>
> I have some questions:
> 1) How can I explain that SELINUX_ERR message and "subj=..." in SYSCALL message?
above messages is not selinux err messages, is audit log.
> 2) Is it normal situation? In RHEL5 the "su -; service sshd start" commands work fine.
is abnormal, i can start sshd in 42 selinux-policy
> 3) How can I enable "service sshd start" in that situation?
as i said above, what avc(selinux err) you got?
did you run setroubleshoot?
> ____
> Andrey Markelov
> Plus Communications
> Phone: +7(495)777-0-111 ext.533
>
>
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