Reference Manual for the ProSafe VPN Firewall FVS114
Glossary 9
202-10098-01, April 2005
R
RADIUS
Short for Remote Authentication Dial-In User Service, RADIUS is an authentication system. Using
RADIUS, you must enter your user name and password before gaining access to a network. This
information is passed to a RADIUS server, which checks that the information is correct, and then authorizes
access. Though not an official standard, the RADIUS specification is maintained by a working group of the
IETF.
RFC
Request For Comment. Refers to documents published by the Internet Engineering Task Force (IETF)
proposing standard protocols and procedures for the Internet. RFCs can be found at www.ietf.org.
router
A device that forwards data between networks. An IP router forwards data based on IP source and
destination addresses.
S
Segment
A section of a LAN that is connected to the rest of the network using a switch, bridge, or repeater.
Subnet Mask
Combined with the IP address, the IP Subnet Mask allows a device to know which other addresses are local
to it, and which must be reached through a gateway or router.
T
TCP/IP
The main internetworking protocols used in the Internet. The Internet Protocol (IP) used in conjunction with
the Transfer Control Protocol (TCP) form TCP/IP.