The attached patch is a contrib module to set login restrictions on users with too many authentication failure. The administrator could manage several GUC parameters to control the login restrictions which are listed below. - set the wait time when password authentication fails. - allow the wait time grows when users of the same IP consecutively logon failed. - set the maximum authentication failure number from the same user. The system will prevent a user who gets too many authentication failures from entering the database.
I hope this will be useful to future development. Thanks. ----- zhch...@ceresdata.com
pgsql-v12.8-auth-delay.1.patch
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