On Thu, 2012-07-19 at 16:44 +0100, Innes, Duncan wrote: > Does this mean that it's impossible to have IPA authenticate the > oracle user or any other user that is normally below 500? > > Our security team is asking that we manage the passwords of oracle and > other users centrally. Can IPA do this for me?
It's not impossible, but it requires some mangling of your PAM stacks in /etc/pam.d/* That said, it's generally a bad idea to have passwords on users < 500. It should not be possible to log into them at all, and instead you should rely on granting (restricted) sudo privileges to real users allowing them to impersonate the service user instead. So instead of allowing people to log into the box as 'oracle', they should log in as 'myusername' and then run 'sudo -u oracle <command>'. This provides better auditing support as well, since you will always know which real user modified your database configuration (rather than trying to piece together who logged in as 'oracle' directly).
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