We're on 12.1.0.2
From oracle 11 , security features can generate login delays to prevent brute force attacks, (Which can lead DDOS attack but different argument) << Ive edited this understanding after a re-read
https://docs.oracle.com/database/121/DBSEG/authentication.htm#DBSEG33223
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Im trying to test this to see what it looks like but not having much luck, I cant generate the 1 second delay. Ive a test system I can do what I want with.
create user log_test identified by abc
grant connect, resource to log_Test;
-- try incorrect password
conn log_test/123 << try this several times, theres a 1-2 second delay but not any more. the documentation would seem to suggest that the delay should get ever increasingly longer but it doesnt.
It may have something to do with FAILED_LOGIN_ATTEMPTS being set to unlimited. I set a number for that to 100 and applied to the user but still cant generate the delay other than the 1-2 seconds that accompanies any failed login. What am I missing?