User guide

CHAPTER 11: Glossary
172 WatchGuard Firebox System 6.0
XOR
Exclusive-or operation; a mathematical way to represent
differences.
X.509v3
An ITU-T digital certificate that is an internationally recognized
electronic document used to prove identity and public key
ownership over a communication network. It contains the issuer’s
name, the user’s identifying information, and the issuer’s digital
signature, as well as other possible extensions in version 3.