[ale] Linux box as a router w/DHCP

[Bob Kruger]

James;

Thanks for the reply, but it sees that the link you gave is broken.  Would you be good enough to recheck?

V/r

Bob

>James Sumners wrote:
>
>> The Frozen Tux tutorial is the best one available in my opinion --
>> http://iptables-tutorial.frozentux.net/iptables-tutorial.html
>>
>> It really isn't difficult, though. Instead if specifying a static
>> external IP, you just need to supply a variable which contains your
>> current external IP. I do this in my script like so:
>>
>> EXTERNAL_IP=`ifconfig ${EXTERNAL_IFACE} | grep "inet addr" | cut -d \:
>> -f 2 | cut -d ' ' -f 1`
>>
>> Maybe there are better ways of getting the IP, but that works well
>> enough for me.
>>
>> On 1/20/07, Bob Kruger <bkruger at mindspring.com> wrote:
>>
>>> All;
>>>
>>> I would like to use a Linux box as both a router and as a firewall for a small network going out to the internet.  The issue is that the IP address to the ISP varies as it is assigned via a DHCP server.  This makes static routing commands problematic.
>>>
>>> Does anyone know of a good "howto" or tutorial that addresses this and would allow for some sort of dynamic routing configuration when the IP address assigned by the ISP changes?
>>>
>>> Thanks in advance for any assistance.
>>>
>>> V/r
>>>
>>> Bob
>>>
>>>
>>> _______________________________________________
>>> Ale mailing list
>>> Ale at ale.org
>>> http://www.ale.org/mailman/listinfo/ale
>>>
>>
>>
>
>
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