Re: Company Firewall's IP Address

From: Bill Hamel (billh@bugs.hamel.net)
Date: 11/16/02

  • Next message: jl: "Re: Secure e-mail" 
    Date: Fri, 15 Nov 2002 22:44:22 -0500 (EST)
From: Bill Hamel <billh@bugs.hamel.net>
To: Meritt James <meritt_james@bah.com>

    Yes, that is obvious due to NAT. Perhaps you got out of sync with the
    thread, then again maybe it was me which is more than likely the case ;)

    -b

    On Fri, 15 Nov 2002, Meritt James wrote:

    > The IP address that the destination replies to does not have to be where
    > the human sits. Consider that the originator's IP is not passed in the
    > example stated but the business firewall's is. That does not have to be
    > the only 'via' which alters the IP address. I know quite well that
    > breadcrumbs are not used. And since I've done it, I reckon it is
    > possible.
    >
    > Bill Hamel wrote:
    > >
    > > Hi,
    > >
    > > Proxy / Spoof what ? Unless the destination
    > > knows the source IP, there is no return path.
    > >
    > > Remember packets don't leave a trail of bread crumbs so that they can
    > > find their way back ;)
    > >
    > > -b
    > >
    > > On Thu, 14 Nov 2002, Meritt James wrote:
    > >
    > > > Proxy. Spoofing.
    > > >
    > > > Bill Hamel wrote:
    > > > >
    > > > > Unless I am missing something in the question, no matter what you do,
    > > > > what/whoever you connect to through a firewall will always know the IP
    > > > > address of the the trusted interface of the firewall.
    > > > >
    > > > > -bh
    > > > >
    > > > > On Wed, 13 Nov 2002, Meritt James wrote:
    > > > >
    > > > > > "an" IP Address - not necessarily the originating individual. There are
    > > > > > a LOT of ways around that.
    > > > > >
    > > > > > Jim
    > > > > >
    > > > > > Leonard.Ong@nokia.com wrote:
    > > > > >
    > > > > > > There is nothing new about finding your IP Address and display it on the web page.
    > > > > >
    > > > > > --
    > > > > > James W. Meritt CISSP, CISA
    > > > > > Booz | Allen | Hamilton
    > > > > > phone: (410) 684-6566
    > > > > >
    > > >
    > > > --
    > > > James W. Meritt CISSP, CISA
    > > > Booz | Allen | Hamilton
    > > > phone: (410) 684-6566
    > > >
    >
    > --
    > James W. Meritt CISSP, CISA
    > Booz | Allen | Hamilton
    > phone: (410) 684-6566
    >

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