Summary

This chapter provided an overview of the common Internet services and the everyday threats these services are under when placed on the public Internet. The chapter looked at the main network intrusion methods and DoS attacks before presenting a basic example of a hosted network solution. This solution outlined the need for at least a firewall and NAT between the public Internet and the servers that make up the corporate Internet site. Finally, the chapter looked at each individual major Internet service, identified the threats, and outlined simple solutions to overcome these threats.