I forgot to paste a very important statement: Florian Boelstler wrote: > # DROP & LOG chain > > $IPTABLES -N DROPnLOG > $IPTABLES -A DROPnLOG -p ICMP -j ULOG --ulog-nlgroup 1 --ulog-prefix > "DROP-ICMP " > $IPTABLES -A DROPnLOG -p TCP -j ULOG --ulog-nlgroup 1 --ulog-prefix > "DROP-TCP " > $IPTABLES -A DROPnLOG -p UDP -j ULOG --ulog-nlgroup 1 --ulog-prefix > "DROP-UDP " $IPTABLES -A DROPnLOG -j DROP [ ... ]