Showing posts from December, 2020

Oracle Trigger to Log Logon Denied ORA-1017 Error into Alert Log

  create trigger logon_denied_to_alert after servererror on database declare message varchar2(4000); begin select 'ip='||sys_context('userenv','ip_address')||',host='||sys_context('userenv','host')||',osuser='||SYS_CONTEXT ('USERENV', 'OS_USER') into message from dual; IF (ora_is_servererror(1017)) THEN message := to_char(sysdate,'Dy Mon dd HH24:MI:SS YYYY') || ' logon denied for ' || message; sys.dbms_system.ksdwrt(2,message); end if; end; / === And to view where the trace file is: G:\oracle\diag\rdbms\syp\syp\trace>sqlplus / as sysdba SQL*Plus: Release Production on Mon Dec 14 12:09:14 2020 Copyright (c) 1982, 2017, Oracle.  All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release - 64bit Production With the Partitioning, OLAP, Data Mining and Real Application Testing options SQL> show parameter background NAME