basic firewall question

[calo]

Hello Netfiler,   Can I have a firewall with the 2 nic cards on the same network. I have this set up.   <Router 192.168.1.0/24> ----- <switch>------<servers 192.168.1.0/24>   I want   <Router 192.168.1.0/24> ----- <192.168.1.0/24(eth0) FW 192.168.1.0/24(eth1)>------<switch>------<servers 192.168.1.0/24>   Is it possible?   Thanks