Re: How do you secure a server running win2k-server?

From: Toni Lassila (mpao@mc-europe.com)
Date: 11/29/02


From: mpao@mc-europe.com (Toni Lassila)
Date: 28 Nov 2002 23:13:12 -0800


"AP" <ap76@email.com> wrote in message news:<#iYkMsvlCHA.216@tkmsftngp07>...
> We have a server running Windows 2000 server & Exchange 2000 which is
> connected to an ADSL line and will act as a File/Mail server in the near
> future.
>
> How would we protect this server so it doesn't fall to DoS attacks and other
> Internet Hacking problems?

Your best defense against DoS attacks is the telephone, i.e. call your
ISP and let them know what's going on.

> There is a 3Com Office Connect DMZ FireWall behind the ADSL router, but I'm
> concearned still and like some advice on what needs to be protected when
> running a server which is publicly seen on the internet.

If you've set up the correct rules on the 3Com, it should only expose
SMTP through TCP/25 to external hosts. As such, your only concern are
Exchange exploits and open relaying. One of the Exchange NGs is a better
place to inquire about those.



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