Charles,
Thank you for this information. I am a little behind on my mail. So I did not get
to this until today. I am getting ready to do this next week. Wife gone all week, so
I will have some more time<G>.... Question... Can you put the DNS servers behind the
firewall for protection?? Or is this a dumb idea??
Steven
NewBee...
*********** REPLY SEPARATOR ***********
On 7/25/2000 at 9:16 AM Charles Galpin wrote:
>Hi Nigel
>
>You got several answers, all quite correct, but proabbly a bit high
>level. Let me try describe what everyone is suggesting the way I'd like it
>explained to me ;)
>
>She will want to configure her LAN as follows. Sorry, but my ascii art
>sucks
>
> internet
> |
> DSL router/modem
> |
> RedHat Server (with *two* network cards)
> |
> hub
> |
> -------
> | |
> win98 NT
>
>
>I'll explain the setup from the inside out, since it'll probably be
>clearer that way.
>
>win98/NT: All you do is configure the win98/NT pcs to have IPs in a
>private subnet (like 192.168.1.x), use the RH box as their gateway, and
>use flashnet's DNS servers. A more advanced configuration could be them
>using dhcp and the RH box serving them that info on bootup, and perhaps
>runnign your own DNS server on the RH box too. Neither are required. No
>configuration of any apps will be necessary - they will just have access
>to each other and the RH box and the rest of the world, transparantly.
>Easy eh?
>
>RedHat Server
>You will need to install two ethernet cards and configure them. One will
>be the connection to the intelnal LAN and have an IP address in the same
>provate range 192.168.1.x. The other will have the static IP you
>purchased, and will be the default route. You will have to add a specific
>route to the 192.168.1.x network. You will then need to configure it to do
>NAT (see a recent thread on network address translation) using
>ipchains. Except for securing your firewall properly, this is actually
>quite trivial. What this will do is allow the other PCs on the network to
>have access to the internet as if they too were plugged into the DSL
>router/modem, but with the security of the RedHat firewall between them
>and the net. *YOU MUST* setup a firewall!!!!!
>
>The DSl router/hub will plug into one of the ehternet cards, and the hub
>into the other. Linux has no idea there is a DSL router/modem there, and
>doesn't care. It's the logical equivalent of the other nic being plugged
>in to the hub. As long as you setup the RH box's external interface to
>have the right IP, gateway and DNS (from flashnet) it will just work!
>
>This is becoming an increasingly popular setup these days. I guess we need
>to write a nice howto sometime. Oh where does the time go..
>
>hth
>charles
>
>On Fri, 21 Jul 2000, Nigel Trivass wrote:
>
>> Hi,
>>
>> I'm hoping someone can help me help a colleague in the US, with the
>> setting up of a small network....using the following:
>>
>> PC [win98], NT server, Redhat server, a hub, a router and DSL
>>
>> None of the above are currently networked together.
>>
>> We have purchased one fixed IP address from Flashnet, our DSL provider.
>>
>> Our requirements:
>>
>> My colleague requires that the Redhat machine be available to other Redhat
>> servers around the globe. [These servers hold master databases which we need
>> to gain access to, for the export and import of data].
>> A fixed IP address is required for access to all sites.
>>
>> My colleague wants to be able to connect to the ISP directly from her PC in
>> order to pick up email.
>> The PC needs also to be able to FTP/Telnet to the Redhat machine
>>
>> TCP/IP services are required between NT and the other machines.
>>
>> What would be the best way to set up this network?
>>
>> I'm thinking that we should have purchased 3 IP addresses, and then set up a
>> domain. But I'm unsure of how to configure DSL - we don't have this service
>> in the UK at the moment. We are running redhat version 6_0. Does the redhat
>> kernel support DSL?
>>
>> I'm thinking that the best solution would be to network the 3 machines using
>> private IP conventions, then connecting the DSL modem to the PC, and simply
>> using a normal modem for connecting the redhat server to the internet
>> whenever required?
>>
>> I know this is all a bit vague, and not strictly a redhat query, but any
>> assistance would be gratefully received.
>>
>> Thanks,
>>
>> Nigel Trivass
>>
>>
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>
>
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