Frank Cavaliero <fcavalie(at)us(dot)ibm(dot)com> writes:
> I've been searching the web and reviewing documentation, but I cannot find
> any reference to whether or not a parameter, for example,
> failed_login_attempts, exists in PostgreSQL that determines the number of
> attempts a user can make before being locked.
There is not in the core database code. But if you use PAM
authentication, there are plenty of pluggable modules that do that and
ninety-nine other specialized things you might wish to have in the
authentication code path.
regards, tom lane