Code:
[root@denge ~]# iptables -nvL | grep 27015
6 288 ACCEPT tcp -- !lo * 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:27015
218 8928 ACCEPT udp -- !lo * 0.0.0.0/0 0.0.0.0/0 state NEW udp dpt:27015
0 0 ACCEPT tcp -- eth0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:27015 limit: avg 6/sec burst 12
0 0 DROP tcp -- eth0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:27015
0 0 ACCEPT tcp -- * !lo 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:27015
0 0 ACCEPT udp -- * !lo 0.0.0.0/0 0.0.0.0/0 state NEW udp dpt:27015
Code:
iptables -A INPUT -p TCP -i eth0 --dport 27015 \
-m limit --limit 6/second --limit-burst 12 -j ACCEPT
iptables -A INPUT -p TCP -i eth0 --dport 27015 -j DROP
