Displaying 1 result from an estimated 1 matches for "bad_tcp_packets".
2013 Jan 04
4
CentOS 6.3 as Firewall/Router
...rp
#echo "1" > /proc/sys/net/ipv4/ip_dynaddr
# 4. rules set up.
# 4.1 Filter table
# 4.1.1 Set policies
/sbin/iptables -P INPUT DROP
/sbin/iptables -P OUTPUT DROP
/sbin/iptables -P FORWARD DROP
# 4.1.2 Create userspecified chains
# Create chain for bad tcp packets
/sbin/iptables -N bad_tcp_packets
# Create separate chains for ICMP, TCP and UDP to traverse
/sbin/iptables -N allowed
/sbin/iptables -N tcp_packets
/sbin/iptables -N udpincoming_packets
/sbin/iptables -N icmp_packets
# 4.1.3 Create content in userspecified chains
# bad_tcp_packets chain
/sbin/iptables -A bad_tcp_packets -p tcp...