On UNIX systems, Acucorp provides an extra security mechanism for alfred users. Your site may choose to set up either a list of users who are allowed to use alfred, or a list of users who are denied access to alfred. This security mechanism is described in the following paragraphs.
If the text file "/etc/alfred.allow" exists, then a user may access alfred only if the user's login name is listed in the file. Thus, an empty "/etc/alfred.allow" file denies access to everyone. alfred does not search for a "deny" file if the file "/etc/alfred.allow" exists.
If the "allow" file does not exist, then alfred checks for the existence of a "deny" file. This file must be named "/etc/alfred.deny". Users whose names appear in the "deny" file are not allowed to use alfred. Note that, if no "allow" file exists, an empty "deny" file gives access to everyone.
If neither an "allow" file nor a "deny" file exists, then only root can use alfred.