Helix Core Server Administrator Guide: Fundamentals (2019.2)
Preventing automatic creation of users
Warning
By default,
Helix server
creates a new user whenever a previously unknown
user invokes any command that can update the repository or its metadata. When executed by a
nonexistent user, most
Perforce
commands cause a user to be created. You can control this
behavior by setting the
dm.user.noautocreate
p4 configure
command. For greatest security, we recommend that only the Helix server
superuser be allowed to create new users:
$ p4 configure set dm.user.noautocreate=2
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