[windows2000] Re: IP Addresses

  • From: "Twigg, Craig" <Craig.Twigg@xxxxxxxxxxxxxxxx>
  • To: <windows2000@xxxxxxxxxxxxx>
  • Date: Wed, 29 Oct 2003 16:50:28 -0000

do know exactly how your external connection is set up? dont have multi-homed 
network do you? 
-----Original Message-----
From: Farrugia, Paul [mailto:pfarrugia@xxxxxxxxxxxx]
Sent: 29 October 2003 16:41
To: windows2000@xxxxxxxxxxxxx
Subject: [windows2000] Re: IP Addresses

Ok I tried the shields up test and it will only detect the ip address for my 
ISA Server .....
-----Original Message-----
From: Twigg, Craig [mailto:Craig.Twigg@xxxxxxxxxxxxxxxx] 
Sent: Wednesday, October 29, 2003 11:23 AM
To: windows2000@xxxxxxxxxxxxx
Subject: [windows2000] Re: IP Addresses
are you using Network Address Translation at the Gateway? Is your external IP 
the address of the last hop router/device
Try looking at Shields Up on www.grc.com
this will help you check for security weaknesses and give you your IP, if this 
corresponds to your machine IP then its publicly accessible.
Servers have static IP's. workstations have DHCP addresses.
a private range 192.168... may make it easier to guess important machines on 
your network. i've been told to avoid this.
-----Original Message-----
From: Farrugia, Paul [mailto:pfarrugia@xxxxxxxxxxxx]
Sent: 29 October 2003 16:15
To: windows2000@xxxxxxxxxxxxx
Subject: [windows2000] IP Addresses
Sorry if this is a little confusing, this is the first time I am dealing with 
something like this and I am trying to word this as best I as I can...
All of the computers (workstations and servers) on my network are on a public 
ip address range. They are currently using the scope of It has been like this since before I was here. 
Does anyone see a problem with this???
From various threads I have read I see that most networks are configured on a 
private ip range ...192.168.1. xxx...anyway...I wanted to know if this 
something that I should be looking to change? Is this just common practice or 
is there a reason for it?
I know that changing the ip's on my servers will be more a pain then I need 
right now but as far as the workstations go..would I just have to create a new 
scope and have the DHCP server give out those addresses?
Thanks in advance for any help

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