Im getting the following errors while starting to Start shorewall iptables: Unknown error 4294967295 ERROR: Command "/sbin/iptables -t mangle -A PREROUTING -m connmark ! --mark 0 -j CONNMARK --restore-mark" Failed In using itables 1.3.5 do u have an idea of what version should I use ?? Im setting up the providers for multiple isp .. Tnaks Fernando Rodriguez V.