Re: Public Addresses Used Internally

Myrt in MT wrote:
What would be the vulnerabilities, issues, problems etc, of using
public addresses on an internal network behind a firewall?

Let's start with a basic.

Are you talking about public addresses that the person concerned actually
owns and is entitled to use, or are you talking about someone who has
pulled a random IP address range out of their ear and just started using
it internally with no regard to anything else, because the numbers looked
lucky or something?
--
--
Rob Moir, Microsoft MVP for Security
Blog Site - http://www.robertmoir.com
Virtual PC 2004 FAQ -
http://www.robertmoir.co.uk/win/VirtualPC2004FAQ.html


.

Relevant Pages

  • Re: Inline firewalls vs. Inline firewalls "spaced out"
    ... You internal network should only be able to talk outwards, ... the first design. ... a third firewall has to be compromised. ... > greater security to your web boxes than the first design. ...
    (Security-Basics)
  • RE: Proxy & Firewall Implementation
    ... Put a firewall between your internal network and the DMZ which allows ... DMZ servers to the gills. ...
    (Security-Basics)
  • Re: Public Addresses Used Internally
    ... quality of the firewall. ... With public IPs access must only route into internal network ... There is increased cost with holding the public IPs, ...
    (microsoft.public.security)
  • Re: Firewall Design
    ... > The etherswitch from the router will have the Firewall and my Web ... and the second is connected to another switch on the LAN. ... Your DMZ systems should be publicly accessible, ... filtering in front of your DMZ systems, as well as your internal network. ...
    (comp.security.firewalls)
  • Re: Setting up SBS 2000 w/SonicWall Firewall VPN, Need help.
    ... SBS or the internal network? ... If you have two nics and are using SBS ... I would guess again that with a single nic server that the ... >the firewall. ...
    (microsoft.public.backoffice.smallbiz2000)