pptp:/var/log# iptables -A INPUT -p tcp -m tcp --dport 1723 --tcp-flags FIN,SYN,RST,ACK SYN -m recent --rcheck --seconds 120 --hitcount 5 --name pptp --rsource -j DROP
iptables: No chain/target/match by that name
pptp:/var/log# lsmod | grep ip
iptable_nat 4252 0
nf_nat 16488 1 iptable_nat
iptable_mangle 2228 1
nf_conntrack_ipv4 11696 5 iptable_nat,nf_nat
nf_defrag_ipv4 1656 1 nf_conntrack_ipv4
nf_conntrack 58044 4 iptable_nat,nf_nat,nf_conntrack_ipv4,xt_state
ipt_ULOG 6584 8
iptable_filter 2228 1
ip_tables 10240 3 iptable_nat,iptable_mangle,iptable_filter
x_tables 14080 6 iptable_nat,xt_state,xt_limit,ipt_ULOG,xt_tcpudp,ip_tables
ipv6 235788 188
кто нибудь может понять чего ему не хватает?