I am setting up a firewall in Linux using Redhat 9.0 (command line). I have loaded the standard "Servers" installation and installed two network cards.
On the one side my private network with IP: 10.xx.xxx.x and on the other a Router connecting to the Internet with a public IP: 196.xx.xxx.xxx.
My firewall, to be, has been setup with one nic (eth1) with IP: 10.xx.xxx.xxx to match my private network and on the other nic (eth0) with a public IP: 196.xx.xxx.xxx.
The firewall software has been set to no firewall in order for me to get the routing right. From the firewall, to be, I can ping my private network as well as the Internet. No problem.
From my private network, with Windows XP and gateway set to my firewall eth0 IP I can ping both nics, but I can't ping the Router nor the Internet.
The following settings has been done:
196.xx.xxx.x * 255.xxx.xxx.x eth0
10.xx.xxx.x * 255.xxx.xxx.x eth1
127.0.0.0 * 255.0.0.0 lo
default 196.xx.xxx.xxx 0.0.0.0 eth0
Iptables is setup to ACCEPT FORWARD
In sysctl.conf the line net.ipv4.ip_forward = 1 is set.
Is there something I am missing?
I can't find anything in the HOWTO's. I am sure it must be something simple.
Will I be able to use this Linux box to setup a VPN and Proxy as well?
It is a PIII 600MHz with 128MB ram.
Any help will be appreciated.
Thanks in advance.