From owner-freebsd-questions  Tue Oct 16  8:29:48 2001
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Date: Tue, 16 Oct 2001 08:29:41 -0700 (PDT)
From: ann kok <annkok2001@yahoo.com>
Subject: Re: tmp security
To: Mike Meyer <mwm@mired.org>
Cc: questions@freebsd.org
In-Reply-To: <15304.59469.745740.9242@guru.mired.org>
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Dear Mike

Many thanks for your reply

For Q2, could you give me example?

Tks a lots



--- 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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