Re: Isa IP spoofing

  • From: "mario tognetti" <martog@xxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Tue, 7 Jan 2003 09:28:29 +0100

Hi Jim,

I send you isa ipconfig

bye

martog@xxxxxxxxxx


----- Original Message -----
From: "Jim Harrison" <jim@xxxxxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Saturday, January 04, 2003 5:34 PM
Subject: [isalist] Re: Isa IP spoofing


> http://www.ISAserver.org
>
>
> Can you send your "ipconfig/all" from the ISA Server?
> It may be that you've incorrectly configured it.
>
>  Jim Harrison
>  MCP(NT4, W2K), A+, Network+, PCG
>  http://isaserver.org/pages/author_index.asp?aut=3
>  http://isatools.org
>  Read the help / books / articles!
>
> ----- Original Message -----
> From: "mario tognetti" <martog@xxxxxxxxxx>
> To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
> Sent: Saturday, January 04, 2003 00:31
> Subject: [isalist] Isa IP spoofing
>
>
> http://www.ISAserver.org
>
>
> I installed Isa server behind a router Netopia that maps an public IP
> address with 4 Ip 192.168.0.1-4. The external NIC of isa is 192.168.1.1.,
> the internal Nic is 10.0.0.65 with a publish internal web server. When I
> try to connect to Isa from Internet, it replay with a "no server found"
> and records "IP spoof" alert from Internet IP address. I think the problem
> is that packets arriving on the external interface but claiming to come
> from an internal IP (192.168.0.1).
> It's corrects? Only solution is to get for ISA external Nic a public IP?
>
> thanks
>
> mario tognetti
>
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Windows 2000 IP Configuration

        Host Name . . . . . . . . . . . . : isa
        Primary DNS Suffix  . . . . . . . : isace.it
        Node Type . . . . . . . . . . . . : Hybrid
        IP Routing Enabled. . . . . . . . : No
        WINS Proxy Enabled. . . . . . . . : No
        DNS Suffix Search List. . . . . . : top.net

Ethernet adapter Esterna:

        Connection-specific DNS Suffix  . : 
        Description . . . . . . . . . . . : 3Com EtherLink XL 10/100 PCI For 
Complete PC Management NIC (3C905C-TX)
        Physical Address. . . . . . . . . : 00-01-02-D9-CE-EB
        DHCP Enabled. . . . . . . . . . . : No
        IP Address. . . . . . . . . . . . : 192.168.0.4
        Subnet Mask . . . . . . . . . . . : 255.255.255.0
        Default Gateway . . . . . . . . . : 192.168.0.2
        DNS Servers . . . . . . . . . . . : 194.20.8.4
                                            194.20.8.1
        NetBIOS over Tcpip. . . . . . . . : Disabled

Ethernet adapter Interna:

        Connection-specific DNS Suffix  . : 
        Description . . . . . . . . . . . : Realtek RTL8139(A) PCI Fast 
Ethernet Adapter
        Physical Address. . . . . . . . . : 00-30-4F-1E-B5-AA
        DHCP Enabled. . . . . . . . . . . : No
        IP Address. . . . . . . . . . . . : 10.0.0.65
        Subnet Mask . . . . . . . . . . . : 255.0.0.0
        Default Gateway . . . . . . . . . : 10.0.0.20
        DNS Servers . . . . . . . . . . . : 10.0.0.60
                                            10.0.0.10
        Primary WINS Server . . . . . . . : 10.0.0.3

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