binding IPs

[LC]

>>>> >> Thanks. This box is a samba machine. I want to allow local users
>>>> and >> remote
>>>> >> users to access it. I have 2 NIC on this box. eth0 is on a public
>>>> >> IP(12.73.1.185) and eth1 is on the local IP(192.168.1.150). But
>>>> how do >> i set
>>>> >> the gateway? Can i specify the public gateway for eth0(12.73.1.1)
>>>> and >> the
>>>> >> gateway for eth1 (192.168.1.1) and as for the gateway in
>>>> >> /etc/sysconfig/network i will remove it. Will this work?
>>
>> I had tested  with the above and 192.168.1.1 is the default route.. I
>> have no problem going into the internet via the router on 192.168.1.1. I
>> can ping both the public and local IP in LAN, but I am cannot ping the
>> public IP from another network.
>>
>> [root at samba ~]# netstat -r
>> Kernel IP routing table
>> Destination     Gateway         Genmask         Flags   MSS Window  irtt
>> Iface
>> 12.73.1.176   *               255.255.255.240 U         0 0          0 
>> eth0
>> 192.168.1.0     *               255.255.255.0   U         0 0          0
>> eth1
>> 169.254.0.0     *               255.255.0.0     U         0 0          0
>> eth1
>> default         192.168.1.1     0.0.0.0         UG        0 0          0
>> eth1
>> [root at samba ~]#
>>
>> [root at samba ~]# ip route
>> 12.73.1.176/28 dev eth0  proto kernel  scope link  src 12.73.1.185
>> 192.168.1.0/24 dev eth1  proto kernel  scope link  src 192.168.1.150
>> 169.254.0.0/16 dev eth1  scope link
>> default via 192.168.1.1 dev eth1
>> [root at samba ~]#
>>
>> The machine does not have a firewall yet, so i guess the public IP is
>> not routed out, therefore unreachable.
>>
>> How do I route the public IP out?
>>
>> Thanks
>>
> There are a bunch of problems here. The first is that your default
> route should be through eth0 with the gateway your ISP gives you.
> (12.73.1.<something>). If you want the machines on the 192.168.1.0
> network to be able to access the Internet through this box, you will
> also have to set up some NAT iptable rules. Take a look at the
> firewall packages and see what on is easy for you to understand -
> NAT is normally set up as part of the firewall.

IP Masq is running fine on the nix router 192.168.1.1 and no problem 
accessing the internet. But i need this machine to have a public IP so i can 
access to it remotely on ssh and ftp