Mailing List Archive

I am trying to use the recent module to block all traffic from policy
violators. I have got it working to ignore people who get ping happy,
but I cannot seem to get it to work for bad packets....

Any ideas where I screwed up? Docs I should read?
Pat




# Generated by iptables-save v1.3.5 on Wed Aug 22 08:21:20 2007
*mangle
:PREROUTING ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
:LOGACTTCP - [0:0]
:LOGACTTCPUS - [0:0]
-A PREROUTING -p tcp -m tcp --tcp-flags ACK,URG URG -m recent --set
--name SCAN --rsource -j LOGACTTCP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,ACK FIN -m recent --set
--name SCAN --rsource -j LOGACTTCP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,RST FIN,RST -m recent --set
--name SCAN --rsource -j LOGACTTCP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN FIN,SYN -m recent --set
--name SCAN --rsource -j LOGACTTCP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG
FIN,PSH,URG -m recent --set --name SCAN --rsource -j LOGACTTCP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG
FIN,SYN,RST,ACK,URG -m recent --set --name SCAN --rsource -j LOGACTTCP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG
FIN,SYN,RST,PSH,ACK,URG -m recent --set --name SCAN --rsource -j
LOGACTTCP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -m
recent --set --name SCAN --rsource -j LOGACTTCP
-A PREROUTING -p tcp -m tcp --tcp-flags PSH,ACK PSH -m recent --set
--name SCAN --rsource -j LOGACTTCP
-A PREROUTING -p tcp -m tcp --tcp-flags SYN,RST SYN,RST -m recent --set
--name SCAN --rsource -j LOGACTTCP
-A LOGACTTCP -j LOG --log-prefix "Bad TCP DROP: "
-A LOGACTTCP -j DROP
COMMIT
# Completed on Wed Aug 22 08:21:20 2007
# Generated by iptables-save v1.3.5 on Wed Aug 22 08:21:20 2007
*filter
:INPUT DROP [0:0]
:FORWARD DROP [0:0]
:OUTPUT DROP [0:0]
-A INPUT -i lo -j ACCEPT
-A INPUT -p tcp -m tcp --dport 113 -j REJECT --reject-with tcp-reset
-A INPUT -m conntrack --ctstate INVALID -j DROP
-A INPUT -p tcp -m tcp ! --tcp-flags FIN,SYN,RST,ACK SYN -m state
--state NEW -j DROP
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -m recent --update --seconds 600 --rttl --name SCAN --rsource
-j DROP
-A INPUT -m recent --update --seconds 60 --rttl --name PINGABUSE
--rsource -j DROP
-A INPUT -p tcp -m tcp --dport 80 -m state --state NEW -j ACCEPT
-A INPUT -p tcp -m tcp --dport 22 -m state --state NEW -j ACCEPT
-A INPUT -p icmp -m icmp --icmp-type 8 -m recent --set --name PINGER
--rsource
-A INPUT -p icmp -m icmp --icmp-type 8 -m recent --update --seconds 5
--hitcount 10 --rttl --name PINGER --rsource -j LOG --log-prefix "Ping
abuse "
-A INPUT -p icmp -m icmp --icmp-type 8 -m recent --update --seconds 5
--hitcount 10 --rttl --name PINGER --rsource -j PINGBLOCK
-A INPUT -p icmp -m icmp --icmp-type 8 -j ACCEPT
-A INPUT -j LOG --log-prefix "Default DROP (INPUT): "
-A INPUT -j DROP
-A FORWARD -j LOG --log-prefix "Default DROP (FORWARD): "
-A FORWARD -j DROP
-A OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A OUTPUT -o lo -j ACCEPT
-A OUTPUT -p tcp -m tcp --dport 53 -m state --state NEW -j ACCEPT
-A OUTPUT -p udp -m udp --dport 53 -m state --state NEW -j ACCEPT
-A OUTPUT -p icmp -m icmp --icmp-type any -j ACCEPT
-A OUTPUT -j LOG --log-prefix "Default DROP (OUTPUT): "
-A OUTPUT -j DROP
-A PINGBLOCK -m recent --set --name PINGABUSE --rsource -j DROP
COMMIT
# Completed on Wed Aug 22 08:21:20 2007