unix permissions questions

Chuck Swiger cswiger at mac.com
Tue Sep 14 18:05:05 UTC 2010

On Sep 14, 2010, at 11:01 AM, Polytropon wrote:
> On Tue, 14 Sep 2010 13:32:40 -0400 (EDT), doug at safeport.com wrote:
>> I found several directories whose permissions where set to
>>   dr-s--S--T   2 user group   512 Feb 22  2010 .procmail/
>> All were .procmail which is what we set for procmail logging and supporting 
>> recipes. In reading 'man ls' it seems (to me) this might result from losing the 
>> execute bit on the directory. Is this correct? Been BSDing since 1995 and have 
>> not seen this set of permissions. Thanks for any insights.
> After a short read of "man ls":
[ ... ]
> Result: User can execute SUID, group cannot execute, others cannot search
> or execute; sticky bit is set.

Except that this is a directory, not a file....  :-)

A bit of experimentation suggests that "chmod 7500 .procmail" are the permissions involved, which are silly.  No group permissions enabled means setgid is meaningless, and I don't see any value for using the sticky bit here, either.  Try using 0500, 0700, or maybe 4500/4700 instead.


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