User guide

184 WatchGuard Firebox X Edge
PCMCIA (Personal Computer Memory Code International Association) card
A standard compact physical interface used in personal computers. The most
common application of PCMCIA cards is for modems and storage.
perfect forward secrecy (PFS)
A cryptosystem in which the cipher text yields no possible information about the
plain text, except possibly the length.
PEM
See
Privacy Enhanced Mail .
peer-to-peer
A network computing system in which all computers are treated as equals on the
network.
peripherals
Equipment such as disk drives, CD-ROM drives, modems, and printers that are
connected to a computer.
permission
Authorization to perform an action.
PGP
See
Pretty Good Privacy .
PGP/MIME
An IETF standard (RFC 2015) that provides privacy and authentication using the
Multipurpose Internet Mail Extensions (MIME) security content types described
in RFC1847, currently deployed in PGP 5.0 and later versions.
Phase 1, Phase 2
Stages in the IKE negotiation. Phase 1 authenticates the two parties and sets up
a key management security association for protecting the data. Phase 2
negotiates data management security association, which uses the data
management policy to set up IPSec tunnels in the kernel for encapsulating and
decapsulating data packets.
ping (packet Internet groper)
A utility for determining whether a specific IP address is accessible. It works by
sending a packet to the specified address and waiting for a reply.
PKCS
See
Public Key Crypto Standards .
PKI
See
Public Key Infrastructure .
plain text
Characters in a human-readable form prior to or after encryption. Also called
clear text .