Net Managment & Security Week 17

• •Smurf DoS attack: attackers broadcast a ping request to all computers on a network, but change the source address of the request to target
• •ICMP redirect attack: this attack send an ICMP redirect packet to the victim asking
• the host to send its packets to another router (a malicious device)
• •Ping of Death: a malformed ping using ICMP is sent to the victim. This ping exceeds
• the size of an IP packet

• Resolves IP addresses and symbolic names
• Uses port 53
• DNS poisoning attack substitutes addresses so that the computer is automatically redirected to another device.
• An attacker substitutes a fraudulent IP address to a symbolic name

Attackers target a local HOST file to create a new entries, redirecting users to a fraudulent sites