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The answer is in the man page:

man login


CONFIG FILE ITEMS
       login reads the /etc/login.defs(5) configuration file.  Note  that  the
       configuration  file  could  be  distributed  with another package (e.g.
       shadow-utils).  The following  configuration  items  are  relevant  for
       login(1):

 ...

       LOGIN_TIMEOUT (number)
           Max time in seconds for login.  The default value is 60.

       LOGIN_RETRIES (number)
           Maximum  number  of  login  retries in case of a bad password.  The
           default value is 3.