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ORA-24247: network access denied by access control list (ACL)

I have a completely NEW installation of Apex 24.2 on my PC (running with ORDS).

I have created a workspace with owner: BAU

I have configured ACLs for all hosts (*) for users: BAU, APEX_240200, APEX_PUBLIC_USER

I am trying to create an REST Data Source from a popular URL: http://jsonplaceholder.typicode.com/posts/1

However, I keep getting ORA-24247: network access denied by access control list (ACL) error on the screen while trying to add the data source.

Strangely enough, when I try it out from SQL Workshop via custom PL/SQL script - this works fine!

ACL                            PRINCIPAL            PRIVILEGE
------------------------------ -------------------- --------------------
/sys/acls/bau_acl.xml          BAU                  resolve
/sys/acls/bau_acl.xml          APEX_240200          resolve
/sys/acls/bau_acl.xml          APEX_PUBLIC_USER     resolve
/sys/acls/bau_acl.xml          BAU                  connect
/sys/acls/bau_acl.xml          APEX_240200          connect
/sys/acls/bau_acl.xml          APEX_PUBLIC_USER     connect
HOST                           LOWER_PORT UPPER_PORT ACL
------------------------------ ---------- ---------- ------------------------------
*                                                    /sys/acls/bau_acl.xml

This is extremely frustrating as I was able to get similar setup to work on a different machine at work!

What else can check or verify where the issue is?

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Added on Jul 3 2025
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