I guess I need to clarify. I'm using 2 addresses from my IPS for a number
of reasons. I can't have the RH system running as a client off the router.
Both addresses are in fact dynamic from my provider, thus the need for
dyndns. So my config looks more like:
ISP <-> Cable Modem <-> D-Link <-> Switch serving all clients.
| ^
|-> RedHat-|
In this case both the router and the RH have public addresses and they both
plug back into the private LAN. The reason for running NAT off the RH
system, is that I would like to have a few of my clients run through that
gateway for performance and reliability.
thanks
carl
-----Original Message-----
From: Joe Polk [mailto:[EMAIL PROTECTED]]
Sent: Thursday, December 12, 2002 10:52 AM
To: [EMAIL PROTECTED]
Subject: Re: Redhat 8.0 Questions
I'm confused. If you have static addresses, what do you want with DYNDNS?
Stock fw for RH is ipchains/iptables. Why, if you're already behind a NAT
router do you want to turn on NAT? Maybe I'm confused about your router. You
will make you're like MUCH simpler to let the router do NAT, give your RH
machine a local IP and use the router as your gateway. Voila! Anything you
want to server up from your RH box can be forwarded via the forwarding
features of your D-Link. In other words your schedmatic would be as follows:
ISP <-> Cable Modem <-> D-Link <-> Switch serving all clients.
<<JAV>>
---------- Original Message -----------
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thu, 12 Dec 2002 13:42:54 -0500
Subject: Redhat 8.0 Questions
> I have a couple of questions that I would love to see if anyone can
> answer...Answer any or all of them...
>
> Configuration:
> I'm Running Stock RH 8.0 (Fresh install) on an X86 system.
>
> (2) NIC cards one attached to hub with cable modem and D-Link Router,
> other connected to switch and internal net. I have 2 seperate IPs
> from my provider, one goes to the Router, the other to the RH box.
> (68.x.x.10, 68.x.x.11) Then...I have the router and the RH box both
> pluged back into a shared switch that serves the internal
> network(192.168.100.*)
>
> Here are the questions:
>
> 1) First, I have NAT running on the router, but I want it on the
> Linux box as well. How do I start NAT on the RH box. I'm running
> the stock firewall...Lokkit I think. 2) I get lots of "Martian
> Headers" which I believe is caused by the network setup, but I don't
> know what I'm doing that is out of spec. Every client has the
> router as it's gateway; the router has a DHCP provided Gateway; the
> RH box has a dhcp provided gateway and address. 3) On occasion, I
> would proxy from the RH box via Squid (that is running on that
> system) and configure the D-link router, this works most of the time,
> but once in a while, when I do this, the switch or router would
> lock up and I'd have to reset everything. I thought that this might
> be caused by some type of IP violation like, packets getting bounced
> back and forth from the router to the RH box, or something...but I
> don't know enough about networking to find out where I'm going
> wrong. 4) How can I get RH to boot to text mode? 5) I have ddclient
> 2.6.1 running on the system, but for some reason it's spamming my
> DynDns provider. It doesn't seem to be checking the cache file
> before updating my provider.
>
> Thanks for the help.
>
>
> Carl
------- End of Original Message -------
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