[ubuntu-hardened] Cannot use SSH with Refpolicy in Ubuntu Hardy

Hong kindloaf at gmail.com
Sun Sep 7 01:36:07 BST 2008


Hi,

I downloaded the source of refpolicy in Hardy.  (`apt-get source
refpolicy`).  I compiled the policy and loaded it.  And then I reboot the
system with PERMISSIVE mode.  (add `enforcing=0` in the kernel options when
booting)

Now I cannot login the system remotely using ssh.  Note that the system is
in PERMISSIVE mode! (`getenforce` returns `Permissive`).  Everytime I tried
`ssh my_host_name` and enter the correct password, the client side shows
"Read from remote host my_host_name: Connection reset by peer
Connection to my_host_name."

And after each unsuccessful login, the /var/log/audit/audit.log file on the
server   added a line:
"type=ANOM_ABEND msg=audit(1220746818.492:93): audit=4294967295 uid=1000
gid=1000 subj=system_u:system_r:sysadm_t pid=4713 comm="sshd" sig=6"

By the way, when I use `make load` to load the policy, there is a one-line
error message
'[19691.816572] secuirty; context system-u;system-r;sysadm-mail-t is
invalid'

I am not quite familiar with the messages.  Can anyone help me to see what's
going?


Thanks,
Hong
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