Re: TFTP permissions

[Danny Sauer <sauer@cloudmaster.com>]

If you can set a user that the tftpd accesses (and creates) files as,
then why don't you just set the directory to be mode 0700 (or 0770)
so the files inside will be inaccesible regardless of their permissions?
It seems like it'd be fairly trivial to find the places in the tftpd
source where files are created and change the mode there, alternatively.

--Danny

On Wed, Jul 31, 2002 at 01:57:57PM -0500, Charles Menzes wrote:
> All,
> A short while back, I wrote a perl script that automates sending and 
> receiving configuration files for routers through TFTP. The majority of 
> the questions I've received from people deal with how to set up their TFTP 
> server correctly. So, I've taken some time to try and write up a brief 
> HOWTO on the matter. 
> In my trail and error with using the in.tftpd option flags, I see that I 
> am able to specify a username that will act on behalf of the process for 
> reading and writing files. Nonetheless, files written to the server have 
> rw-rw-rw- permissions. I would have expected something more along the 
> lines of 644. 
> I've looked through the tftpd man page and glanced over rfc2347 and I dont 
> see any way of changing the umask used when files are written. Is anyone 
> aware of a method to accomplish this?
> 
> Thanks, Charles
> 
> 
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