* Vaughn Treude (
tv6@qwest.net) wrote:
> in the ubiquitous 192.168.x.x field. The Cisco modem that Qwest reports that its address as 10.0.0.1. DHCP seems to be running fine for
> me, and I can access the Web, email, and news on the Mandrake box. But the other machines can't see the Cisco modem.
You'll probably get a lot of help with this.
Do you have a two ethernet card (bastion) setup? Are you using aliasing?
What's your routing table look like?
% /sbin/ifconfig -a
% netstat -rn
Are your other boxes pointing to one of your interfaces as _their_ gateway?
> The masquerading how-to suggests that I try to ping the dynamic IP address from one of the internal machines. In this case, I know
> nothing to try but 10.0.0.1. It doesn't surprise me that the other machines can't reach the modem at this address. Is this an inherent
> problem with it being assigned one of those "local" IP addresses, or is it more likely that my IP masquerading setup isn't correct?
>
> Could these be indicative of the problem? If so, what do they mean? I'm using the "sample" rc.firewall script from the
> IP masquerading "howto"; not too secure, I know, but I've got to start somewhere.
That script blows. For 2.2 kernels try something like seawall.
http://seawall.sourceforge.net
Gontran
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