F

Fail Safe
Secure Servers use automatic protection of programs and/or processing systems in order to keep safety when a hardware or software failure is discovered in an online payment system to accept credit cards.

File Protection
The summative of all methods, processes and procedures in a system that is designed to hinder unauthorized file access, contamination, or elimination.

File Security
Secure SSL servers restrict access to computer files only to authorized, validated users.

Filtering Router
An internetwork router preventing selectively the transferring of data packets according to a security policy. It can be used as a firewall or at least as part of a firewall.

Firewall
A secured system passing and inspecting traffic via an internal trusted secure server network and an external secure server network that is untrusted, like the Internet. Firewalls can be used to discover, prevent, or mitigate certain kinds of secure server network attack. This provides Internet security and online security. See also application level gateway, proxy server.