> Hi, Does someone know how to NAT ICMP from a >private Network to the internet. > > I tried to add a NAT Rule on my firewall but it seems > that NAT is available only for UDP/TCP?? Uh ? How about : $IPT -A FORWARD -i <if_in> -o <if_out> -s <net_lan> -p icmp -j ACCEPT $IPT -t nat -A POSTROUTING -o <if_out> -s <net_lan> -p icmp -j SNAT <ip_inet> or $IPT -t nat -A POSTROUTING -o <if_out> -s <net_lan> -p icmp -j MASQUERADE Gr, Rob