From owner-freebsd-questions  Tue Oct 16 11:18:14 2001
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From: Mike Meyer <mwm@mired.org>
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Date: Tue, 16 Oct 2001 13:18:06 -0500
To: ann kok <annkok2001@yahoo.com>
Cc: Mike Meyer <mwm@mired.org>, questions@freebsd.org
Subject: Re: tmp security
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ann kok <annkok2001@yahoo.com> types:
> Dear Mike
> 
> Many thanks for your reply
> 
> For Q2, could you give me example?

There are partial examples in the manual page.

	<mike

> 
> --- Mike Meyer <mwm@mired.org> wrote:
> > ann kok <annkok2001@yahoo.com> types:
> > > Hi all
> > > I have two questions about tmp directory
> > > 1/ is it automatically clear file after reboot
> > 
> > Not by default. If you want it cleared, either 1)
> > add
> > "clear_tmp_enable=YES" to /etc/rc.conf, or 2) mount
> > it on a memory
> > file system.
> > 
> > > 2/ how do I get information about tmp security?
> > > I read a book a command 'sort', suggest not to use
> > tmp
> > > as temp directory
> > 
> > It's insecure to use predictable names for temporary
> > files if you put
> > them where other users can create symlinks. Use the
> > mktemp(3)
> > function(s) to generate names, and you can avoid
> > that problem.
> > 
> > 	<mike
> > --
> > Mike Meyer <mwm@mired.org>		
> > http://www.mired.org/home/mwm/
> > Q: How do you make the gods laugh?		A: Tell them
> > your plans.
> 
> 
> __________________________________________________
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> 
--
Mike Meyer <mwm@mired.org>			http://www.mired.org/home/mwm/
Q: How do you make the gods laugh?		A: Tell them your plans.

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