Re: [LI] leased line and linux

["Vaibhav Patkar" <vaibhav31@xxxxxxxxxxx>]

Dear Mr Goswami,

It is better if you have two NICs in your Linux Proxy server so you can 
protect your network from intrusions. You could define your Linux box as a 
firewall. ( Pls look in the archives for Linux Firewall Info).

Any user in your network who wants to browse will come to first NIC card of 
Linux box, since you have enabled IP forwarding request will go to other 
card and then to router on way to ISP server. You could have standard 
192.168.x.x network no for your internal network. Assign the IP given by ISP 
to the Router.

HTH

regards,

Vaibhav



Your router will pass the requests to Lin



> From: "s.goswami" <goswami@xxxxxxxxxxxxxxxxxxx>
> Reply-To: linux-india@xxxxxxxxxxxxxxxxxxxxx
> To: linux-india@xxxxxxxxxxxxxxxxxxxxx
> Subject: [LI] leased line and linux
> Date: Fri, 29 Oct 1999 21:29:37 -0400
>
> dear friends ,
>                 at last alas we got out 64 K leased line up and running
> after 3 months of running around DOT , ISP ...., now Linux is gonna play
> a vital role is our organization as a proxy server and a DNS server,now
> my doubt is how can i map the traffic from my organization to the IP's
> which my ISP has given ,
> my subnet is different from that of ISP do i need to change the subnet
> or there is a work around,
> some of the suggestions i got from friends were to assign a private ip
> to the router ie 192.169.0.1 then point in all the nodes this ip as the
> gateway , i am unable to figure out who is going to take care of the
> routing table do i have to do some modifcations on the router or the
> linux box will forward the traffic to the world.
>
> Linux box with two network cards acting as a router to do the job of
> router as well as proxy server. This is ruled out since we have a
> router,
> then also i am free to experiment.
>
>
> your valuable suggestions are most welcome
>
> thanks and regards
> s.goswami
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