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Re: [suse-security] Secure Mail Server



* engelbert.gruber@xxxxxxxxx wrote on Wed, Oct 01, 2003 at 08:57 +0200:
> On Tue, 30 Sep 2003, Thomas Schweiger wrote:
> > On Tue, 30 Sep 2003, João Reis wrote:
> > [...]
> > > The only way i see to have external connection is to add a rule to my
> > > firewall teling it to redirect all POP and SMTP
> > > traffic to this internal server.
> > >
> > > Is there a more secure way to do this? Is it secure to implement this
> > > scheme?
> >
> > Yes, there is. Use an additional proxy for this. Have a look to the
> > "rinetd" package.
> 
> and have a look at the Allow Deny options of rinetd, use if possible.

Why is this more secure than a packet-level port forwarder?

I could imagine to use IPSec VPN; the clients could link into the
internal LAN securely and work as if there were local.

oki,

Steffen

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