Linux - routing examples
set ip_forward to 1 to enable routing between nics. type ‘route’ to insure both networks are routed as expected (connected route added with nic)
Setup a script with the following (CHMOD 0755 the script so it executes)
iptables -F (clears previous iptables stuff) iptables -P INPUT DROP (will set default policy to DROP all INPUT packets - Incoming to local NICs) iptables -P OUTPUT DROP (will set default policy to DROP all OUTPUT packets - Outgoing to local NICs) iptables -P FORWARD DROP (will set default policy to DROP all FORWARDed packets - Routed via local NICs)