Connection rejected based on ACL filtering, but the ACL is disabled?

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I'm trying to connect to an Oracle Cloud database through DataGrip (with JetBrains's instructions) but I'm getting an error:

DBMS: Oracle (no ver.)
Case sensitivity: plain=mixed, delimited=exact
 ORA-12506: TNS:listener rejected connection based on service ACL filtering.

However, clearly the ACL is disabled: screenshot of oracle cloud dashboard showing that the access control list is disabled

What could possibly be causing this error and how can I fix it.

Asked by andyinnie (1 rep)

Nov 21, 2023, 01:57 AM
Last activity: Aug 3, 2025, 04:06 PM