hedrick--- via FreeIPA-users <freeipa-users(a)lists.fedorahosted.org>
writes:
We have a number of systems on the internet. They are constantly
attacked through ssh. A lot of attacks try to guess passwords for a
user called “admin.”
If you don't need the user admin on the outside facing boxes, you could
try that in /etc/sss/sssd.conf:
,----
| ...
| [nss]
| homedir_substring = /home
| filter_users = root, admin
| ...
`----
Jochen
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