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Re: exim: daemon vs. inetd



On Thu, Mar 29, 2001 at 04:51:22PM -0500, Noah L. Meyerhans wrote:
> On Thu, Mar 29, 2001 at 11:44:50AM -0600, Rob VanFleet wrote:
> > I was wondering if their were any security benefits/pitfalls exiting
> > between running exim through inetd or running it as a standalone daemon.
> 
> I believe the only difference is that with daemon mode you're trading
> memory for startup overhead, while with inetd mode your making the
> opposite tradeoff.  I.e. if you're in daemon mode, exim doesn't need to
> be started each time an smtp connection comes in (OK, it does, but it
> doesn't need to go through its whole initialization process).  But the
> cost of this is that it remains in memory even when it's not delivering
> mail.

Well, it remains in memory if you don't have any swap.  Otherwise, it
swaps out.

However, I would think that inetd mode is fine for most non-server
applications.

Of course, I no longer run exim so I could be way off ;)

-- 
Nathan Norman - Staff Engineer | A good plan today is better
Micromuse Ltd.                 | than a perfect plan tomorrow.
mailto:nnorman@micromuse.com   |   -- Patton

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