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APPENDIX G GLOSSARY
250 8E6 TECHNOLOGIES, R3000 ENTERPRISE FILTER AUTHENTICATION USER GUIDE
minimum filtering level - A set of library categories and
service ports defined at the global level to be blocked or
opened. If the minimum filtering level is established, it is
applied in conjunction with a user’s filtering profile. If a user
does not belong to a group, or the user’s group does not
have a filtering profile, the default (global) filtering profile is
used, and the minimum filtering level does not apply to that
user.
name resolution - A process that occurs when the R3000
attempts to resolve the IP address of the authentication
server with the machine name of that server. This contin-
uous and regulated automated procedure ensures the
connection between the two servers is maintained.
net use - A command that is used for connecting a
computer to—or disconnecting a computer from—a shared
resource, or displaying information about computer connec-
tions. The command also controls persistent net connec-
tions.
NetBIOS - Network Basic Input Output System is an appli-
cation programming interface (API) that augments the DOS
BIOS by adding special functions to local-area networks
(LANs). Almost all LANs for PCs are based on the NetBIOS.
NetBIOS relies on a message format called Server
Message Block (SMB).
NetBIOS name lookup - An authentication method used for
validating a client (machine) by its machine name.
Network Address Translation (NAT) - Allows a single real
IP address to be used by multiple PCs or servers. This is
accomplished via a creative translation of inside “fake” IP
addresses into outside real IP addresses.
open setting - A setting assigned to a service port or library
category when creating a rule, or when setting up a filtering
profile or the minimum filtering level. If an item is given an
open (pass) setting, users will have access to it.