Ddos Attack Prevention, Ddos Attack Defense, Network Security Commands, Cyber Security Courses, Limiting Commands.
-A INPUT -p icmp --icmp-type echo-request -m limit --limit <rate> -j ACCEPT: Sets a rate limit for incoming ICMP echo requests (ping) to prevent ICMP flood attacks. tcpdump -i eth0 -n 'icmp': Captures ICMP packets on the eth0 interface, allowing analysis of ICMP-based attacks. mod_evasive: Apache