How To Drop or Block Attackers IP Address With Null Routes On a Linux

nixCraft → Tutorials → Iptables → How To Drop or Block Attackers IP Address With Null Routes On a Linux Someone might attack your Linux based system. You can drop attacker IP using IPtables. However, you can use the route or ip command to null route unwanted traffic. A null route (also called as blackhole route) is a network route or kernel routing table entry that goes nowhere. Matching packets a