[X4U] Application Folder - Permissions for unknown user

[David Ledger]

>From: John Erdman <jperdman at gmail.com>
>Thanks. You've lowered my anxiety quotient considerably.  Was really
>surprised at how many "users" were identified in the dscacheutil
>command. The "unknown" was there just as you suggested with the same
>UID and GID.
>This at the edge of my need to know but I'll search further and longer
>at the Apple discussion group The first 5 minutes didn't turn up much
>useful.... except to note that others have observed the same thing.
>BTW my installation is a pristine Leopard install. And I used the
>migration assistant.

In 'Info' my Applications directory has only system, admin and 
everyone - one user, one group, and 'world' - which is the basis of 
Unix protection. 'ls -led' shows the ACL entry '0: group:everyone 
deny delete' which means that the admin group can add applications 
but not delete them, and the same for 'everyone' (except that they 
can't write anyway so that is superfluous). I also regard it as 
undesirable unless it is required in order to trigger a password 
request when updating/replacing an app. Using a side effect like this 
would be poor practice.
The other users you have must be in an ACL too, which is unnecessary 
for that directory.

If it's a pristine Leopard install and some others have it, then 
Apple must make different installation methods do different things. 
Unless Migration Assistant attempts to copy over something different. 
Odd ...

David


-- 
David Ledger - Freelance Unix Sysadmin in the UK.
HP-UX specialist of hpUG technical user group (www.hpug.org.uk)
david.ledger at ivdcs.co.uk
www.ivdcs.co.uk