The Only Way To Protect yourself From The Denial of Service (DDoS) attacks


A Distributed Denial of Service (DDoS) attack is an attempt to make an online service unavailable by overwhelming it with traffic from multiple sources.

This is sometimes necessary to look invisible to DOS (Denial Of Service) attackers who use ping to watch your machine and launch an attack when it's presence is detected


The following firewall rules will drop ICMP requests. 

Iptables:

iptables -A OUTPUT -p icmp -d 0/0 -j DROP

OR drop all incoming pings:

echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_all

This is sometimes necessary to look invisible to DOS (Denial Of Service) attackers who use ping to watch your machine and launch an attack when it's presence is detected
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