• Subject: Re: Mail serving and firewalls
  • From: "JAMEST" <jamest@xxxxxxxxxxxxxxx>
  • Date: Thu, 15 Jan 1998 10:40:06 +1100
  • Organization: International Technology Group

No.  All servers should be inside your firewall.  You merely tailor the firewall
to accept and reject various services (FTP, HTTP, SMTP, etc) based on IP ranges,
hosts names, times of the day, whatever (depending on the sophisication of your
firewall).  Having the services on the AS/400 makes no difference.  Your 
will intercept and determine which services can and can't pass back and forth
between the Internet and your firewall.

                            James Turnbull
                            AS/Tech Consulting

Jeffrey M. Carey wrote:

> Currently, we don't have a firewall in place.  In implementing a
> firewall, do the mail servers need to be outside the firewall?  Do we
> need one (less restrictive) firewall to protect the mail servers and one
> more restrictive one to protect the rest of the network?  How does
> having various servers physically on one AS/400 affect how we set things
> up?

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