Out of the box, PmWiki's password setup is this:
These are good defaults, since normally you should not let just anyone edit pages in the Site and SiteAdmin groups, muck about with the permissions on Main, PmWiki, SiteAdmin, and Site, or upload files.
Let us assume that the wiki administrator should be able to
Regular users should be able to
To make this possible, the wiki administrator should:
If you don't want random strangers editing the wiki, you should also set an edit password.
Tutoriais de Tecnologia Web