, Thomas Zoechling, , trac 1.0.2 :
trac-admin /path/to/projenv permission list anonymous
#gets: BROWSER_VIEW CHANGESET_VIEW FILE_VIEW LOG_VIEW MILESTONE_VIEW REPORT_SQL_VIEW REPORT_VIEW ROADMAP_VIEW SEARCH_VIEW TICKET_VIEW TIMELINE_VIEW WIKI_VIEW
trac-admin /path/to/projenv permission remove anonymous '*'
trac-admin /path/to/projenv permission add authenticated BROWSER_VIEW CHANGESET_VIEW FILE_VIEW LOG_VIEW MILESTONE_VIEW REPORT_SQL_VIEW REPORT_VIEW ROADMAP_VIEW SEARCH_VIEW TICKET_VIEW TIMELINE_VIEW WIKI_VIEW