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Set up firewall with Optus@home cable and gateway router
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Author:  Andoy [ Tue Oct 08, 2002 11:52 pm ]
Post subject:  Set up firewall with Optus@home cable and gateway router
Hi Team,

I have optus@home cable and a gateway router with built in 4-port switch.....i want to setup a seperate linux pc and put a firewall on it....can anyone point me in the right direction...

cheers
Author:  rolfmb [ Wed Oct 09, 2002 1:50 am ]
Post subject: 
I also have Optus@home and have been trying to set up a Linux Mandrake 9 service to access the internet and share that connection with other pcs I have.

I have 3 nics in the server and 2 pcs.
NIC to the cable modem has been set to dhcpcd
and the other 2 have static IPs of 192.168.1.1 & 192.168.1.2.
The 2 pc that connect to the linux server have static IP is 192.168.1.3 (WinXP) & 192.168.1.4 (Win98)

I have been able to get the LAN working and can share files and printer.
I'm sure that there is something that I'm doing wrong :?

I'll be interested in the replies that you get Andoy
Author:  mayhem [ Wed Oct 09, 2002 2:26 am ]
Post subject: 
rolfmb

I think that having two cards on the network to share a connection onto might be a bit tricky.

It would be alot easier if you ran a switch or hub and then just shared the net connection on the one card i.e. eth1.
Author:  rolfmb [ Wed Oct 09, 2002 9:55 am ]
Post subject: 
Mayhem,
I'll try tonight to pull out one of the nics and only plug on pc into the linux box and see how I go.
I don't have a switch or a hub at the moment.

I am using a cross over cable to connect the 2 pc to the linux box.

I can't even get linux to connect to the net.

I might try and leave only 1 nic in the box and config it to connect to the net, then if successful set up the lan.

it's doing my head in and I'm about to lose it. :evil:
Author:  mayhem [ Wed Oct 09, 2002 10:36 am ]
Post subject: 
Yeah first time configuration can be frustrating, but when it works in the end its rewarding :)
Author:  fat tony [ Wed Oct 09, 2002 7:12 pm ]
Post subject: 
Hey Andoy and rolfmb, if all you want is a Linux router/firewall then try ipcop: and save yourselves the frustration. :)
Author:  Andoy [ Wed Oct 09, 2002 10:41 pm ]
Post subject: 
Thanks for the replies all...

The gateway router I have, lets me share(with built in 4-port switch) my optus cable internet connection but from looking around it seems like it is going to be a nightmare to setup a linux firewall between the cable modem and the router....

im thinking i might try and setup the straigt-up Red hat 7.2 and use the router as a switch instead (ie not use the wan uplink port for the cable modem)....if it works i suppose that was good money wasted on the gateway router to be just using it as a switch but ah well.
...............any thoughts???
Author:  fat tony [ Wed Oct 09, 2002 11:05 pm ]
Post subject: 
Andoy wrote:
im thinking i might try and setup the straigt-up Red hat 7.2 and use the router as a switch instead (ie not use the wan uplink port for the cable modem)....if it works i suppose that was good money wasted on the gateway router to be just using it as a switch but ah well.


Yeah it'll work. I'd still recommend ipcop though. A lot quicker for what you want to do. :)
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