Ipchains

[RA]

Hello All   I need HELP !!!   on my linux RH7.1 router there are 2 eth cards, eth0 whit local ip 192.168.10.1, and eth1 whit the folowing IP Addresses   eth1      194.250.78.242  Bcast:194.250.78.247  Mask:255.255.255.248 eth1:0    194.250.78.243  Bcast:194.250.78.247  Mask:255.255.255.248 eth1:1    194.250.78.244  Bcast:194.250.78.247  Mask:255.255.255.248 eth1:2    194.250.78.245  Bcast:194.250.78.247  Mask:255.255.255.248 eth1:3    194.250.78.246  Bcast:194.250.78.247  Mask:255.255.255.248           I have a firewall (ipchains) running on the router. my problem is when I ping to 194.250.78.242, I get replyes, but there is no replyes when I ping 194.250.78.243, 244 etc. When I stop firewall, I can ping, but I need firewall on my server. What rule there is needed ? Please help me to find out the problem.   Thanks in advance