Network Security: An MPE/iX Overview

page 187/22/2008
HP presentation template user tutorial
GENERAL NETWORKING
• Methods of Attacking the Network
– Password sniffing
• Collect first parts of data packet and look for login attempts
– IP Spoofing
• Fake packet to “hijack” a session and gain access
– DNS Overrides
• Malicious access to a DNS server can compromise a network
– Denial of Service Attacks – Single and Distributed
• Large number of “SYN” packets to establish dummy connections
– System gets throttled handling all the “hello” requests.
• Massive number of e-mail messages will flood a system.