OSEC

Neohapsis is currently accepting applications for employment. For more information, please visit our website www.neohapsis.com or email hr@neohapsis.com
RE: publications concerning port forwarding

From: Wiedemann, Adrian (Adrian.Wiedemannrz.uni-karlsruhe.de)
Date: Wed Apr 11 2007 - 14:02:39 CDT


Hi,

> outlook to connect to exchange externally you are just asking for the box
> to be owned.

That's what I wrote.

> Exchange requires many ports to be opened if you are going to expose it to
> the Internet and I'm not even sure you can find an article on how to do it
> anymore because it's such a bad idea.

Not only because it is a bad idea. More because it's using RPC for direct
access. And since RPC is using dynamic ports, you have to open up a complete
port range. Even more, because Outlook ask the Global Catalog Servers for the
Offline-Addressbook ..

Ret

Regards, Adrian


  • application/x-pkcs7-signature attachment: smime.p7s