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[ILUG] Homework problem for network gurus

[ILUG] Homework problem for network gurus

Ian ianhoweire at gmail.com
Wed Apr 16 22:53:41 IST 2008


Give C a static IP address and block this ip using port 80 on the router

On 16/04/2008, Timothy Murphy <gayleard at eircom.net> wrote:
>
>
> I have 3 machines, call them A, B and C.
> A is connected to the internet through an ADSL modem.
> B is connected to A through ethernet.
> C connects to B through a PCI WiFi device on B.
>
> B can connect to the internet through A.
> C can connect to A through B,
> but cannot connect to the internet through A.
>
> Is this possible?
>
> All machines are running Fedora-8.
>
> There is a dhcpd server running on A,
> serving the ethernet LAN (192.168.2.0).
> There is also a firewall (shorewall) running on A,
> allowing packets on the ethernet LAN through to the internet.
>
> There is also a dhcpd server running on B,
> serving the WiFi LAN (192.168.3.0).
>
> But the packets on this second LAN cannot get through A to the internet,
> not surprisingly, probably, as there is no mention of this LAN
> on the firewall.
>
> The usual prize for the first solution that works ...
>
>
> --
> Irish Linux Users' Group mailing list
> About this list : http://mail.linux.ie/mailman/listinfo/ilug
> Who we are : http://www.linux.ie/
> Where we are : http://www.linux.ie/map/
>



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