No user restriction, Why?

Hallo dears PG-Users,

I have sucessfully installed the postgreSQL database an I want to administrate
the tables with phppgadmin. Almost ist perfekt except that I can't set a user
passwort. Wenn I add a new user by using the phppgadmin, the new user will be
created, but I allways can login without to give a password, Why?

Thanks for your precious help

Ludwig Heusser
Heusser Ludwig

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