Chapter 12. Server Security
Servers are the last layer of defense against attackers. If an attacker does manage to bypass the security restrictions in place on the routers and firewalls, the servers have to be hardened enough to keep the attacker from gaining unauthorized access to information on the network.
The server security problem is complicated by the fact that some servers are, by nature, public servers, so everyone—even people outside the organization— has to be allowed access. Even if all the servers on your network are private, security measures still need to be put in place to prevent unauthorized users from gaining access. This includes access from unauthorized employees.
A server is any machine to which multiple network users must ...