Subject: Re: Anonymous FTP permissions
To: None <JohnAM@datastorm.com>
From: Mike Long <mike.long@analog.com>
List: netbsd-help
Date: 01/04/1996 13:57:15
>From: John Maier <JohnAM@datastorm.com>
>Date: Thu, 04 Jan 96 09:30:00 PST

>I would like to set a directory up so that users can upload to it, see   
>the files, download files, but not be able to delete any files.

There's no fool-proof way to do this under UN*X.  Even if we had
separate write and delete permissions, you can always effectively
delete a file by writing an 0-length file on top of it.

Of course, you *do* have the source for ftpd.  Have fun. :-)
-- 
Mike Long <mike.long@analog.com>           http://www.shore.net/~mikel
VLSI Design Engineer         finger mikel@shore.net for PGP public key
Analog Devices, CPD Division          CCBF225E7D3F7ECB2C8F7ABB15D9BE7B
Norwood, MA 02062 USA       (eq (opinion 'ADI) (opinion 'mike)) -> nil