Jack, Yes, that would do the trick nicely, wouldn't it? Paul Baumgartel CREDIT SUISSE Information Technology DBA & Admin - NY, KIGA 1 11 Madison Avenue New York, NY 10010 USA Phone 212.538.1143 paul.baumgartel@xxxxxxxxxxxxxxxxx www.credit-suisse.com -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx]On Behalf Of JApplewhite@xxxxxxxxxxxxx Sent: Wednesday, September 13, 2006 2:39 PM To: oracle-l@xxxxxxxxxxxxx Subject: RE: Restrict login for a particular user to be only from particul ar m achines Paul, To prevent logon, shouldn't this be a Before Logon trigger? Jack C. Applewhite - Database Administrator Austin (Texas) Independent School District 512.414.9715 (wk) / 512.935.5929 (pager) I feel so unnecessary. -- Rufus Thomas ( "Do the Funky Chicken") "Baumgartel, Paul" <paul.baumgartel@xxxxxxxxxxxxxxxxx> Sent by: oracle-l-bounce@xxxxxxxxxxxxx 09/13/2006 01:24 PM Please respond to paul.baumgartel@xxxxxxxxxxxxxxxxx To "'Bobak, Mark'" <Mark.Bobak@xxxxxxxxxxxxxxx>, salem.ghassan@xxxxxxxxx cc oracle-l@xxxxxxxxxxxxx Subject RE: Restrict login for a particular user to be only from particul ar m achines Thanks for all the replies. My initial attempts used an AFTER LOGON ON SCHEMA, not DATABASE, trigger. However, I'm now stymied in a simple test case: the following SYS trigger is firing, but no error appears on login. create or replace trigger verify_client after logon on database when (user='PB') begin insert into pb.foo values('Test'); commit; raise_application_error(-20999,'Not authorized'); end; / Here's what happens: SQL> @conn pb/pb Connected. PB@xxxxxxxxxxxxxxxx> select * from foo; BAR -------------------- Test PB@xxxxxxxxxxxxxxxx> @conn pb/pb Connected. PB@xxxxxxxxxxxxxxxx> select * from foo; BAR -------------------- Test Test As you can probably guess, I added the "insert into pb.foo" to the trigger to verify that it is firing. What's wrong here? Thanks Paul Baumgartel CREDIT SUISSE Information Technology DBA & Admin - NY, KIGA 1 11 Madison Avenue New York, NY 10010 USA Phone 212.538.1143 paul.baumgartel@xxxxxxxxxxxxxxxxx www.credit-suisse.com ============================================================================== Please access the attached hyperlink for an important electronic communications disclaimer: http://www.credit-suisse.com/legal/en/disclaimer_email_ib.html ==============================================================================