HP ProCurve 7000dl Series Basic Management And Configuration Manual page 864

Appendix B: Glossary
SPID Service Profile IDentifications. A unique identifier used to identify a particular
Splitter A splitter electronically isolates the lower frequencies of the telephone signal
SROS Secure Router Operating System. The operating system that allows a user to
SSH Secure SHell. A program/network protocol that allows a user to log into
SSL Secure Sockets Layer. SSL is protocol for securing the transmission of mes-
SS7 Signaling System 7. SS7 is a type of out-of-band signaling that supports the
ST Connector A fiber-optic cable connector that uses a bayonet plug and socket. The ST
Stateful
Inspection
Firewall
B-50
ISDN line and the service and features that line provides. The SPID is generally
a 10+ digit number that includes the LDN.
from the higher frequencies of the DSL signals. Typically, the CO contains the
splitter. Splitters are also used to run dedicated wiring for a DSL signal because
they physically isolate the DSL wiring from the POTS wiring.
configure the ProCurve Secure Router.
another computer over a network, execute commands in the remote
machine's OS, and move files from one machine to another. SSH provides
strong authentication. It secures communications over insecure channels and
can be used when tunneling. For more information on SSH, see the Internet
Draft at http://www.free.lp.se/fish/rfc.txt/.
sages over the Internet. SSL works by using asymmetric keys to encrypt
message data.
call-establishment, billing, routing, and information-exchange functions of the
PSTN. It is used to set up and tear down the vast majority of telephone calls.
connector was the first de-facto standard connector for most commercial fiber
optic wiring.
Figure G-3. ST connector
A firewall that screens incoming traffic on several OSI layers. The stateful-
inspection firewall monitors each session to make sure that it is legitimate.
Stateful-inspection firewalls also use an advanced packet-filtering technology