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I am not sure superuser can be selectively restricted via queries, but I am not sure, have not tried. But maybe you can try restricting the super user access to the db from all hosts via the pg_hba.conf. Fore eg. I have a user monitor | Superuser and in my /etc/postgresql/10/main/pg_hba.conf host pgtesting monitor 0.0.0.0/0 reject and then psql -U monitor -p 5432 -d pgtesting -h 127.0.0.1 psql: FATAL: pg_hba.conf rejects connection for host "127.0.0.1", user "monitor", database "pgtesting", SSL on FATAL: pg_hba.conf rejects connection for host "127.0.0.1", user "monitor", database "pgtesting", SSL off psql -U monitor -p 5432 -d pgtesting -h localhost psql: FATAL: pg_hba.conf rejects connection for host "127.0.0.1", user "monitor", database "pgtesting", SSL on FATAL: pg_hba.conf rejects connection for host "127.0.0.1", user "monitor", database "pgtesting", SSL off psql -U monitor -p 5432 -d pgtesting -h 173.16.6.3 psql: FATAL: pg_hba.conf rejects connection for host "173.16.6.3", user "monitor", database "pgtesting", SSL on FATAL: pg_hba.conf rejects connection for host "173.16.6.3", user "monitor", database "pgtesting", SSL off https://stackoverflow.com/questions/38942868/revoke-superuser-connect-a-specific-database
Thanks, Vijay From: "bejita0409@xxxxxxxxxxx" <bejita0409@xxxxxxxxxxx> I am a newbie DBA. I have a request for revoking the access to user's data from DBA-user. I think the request is right because users should be the only ones can access their data. But DBA-user also need full access to the other data? It means that DBA-user also needs to be a superuser. So I conclude the request that how to revoke privileged from superuser in postgres. As my knowledge, the superuser in PostgreSQL bypasses all the permission check. So that, there is no way to do it in PostgreSQL, is that right? Is there some DBAs are faced with this before? Thanks, -- bejita |
