Cisco 7604 Configuration Manual page 722

Glossary
A terminal emulation protocol for TCP/IP networks such as the Internet. Telnet is a common way to
Telnet
control web servers remotely; however, its security vulnerabilities have led to its replacement by SSH.
Trivial File Transfer Protocol. TFTP is a simple protocol used to transfer files. It runs on UDP and is
TFTP
explained in depth in RFC 1350.
Transport Layer Security. A future IETF protocol to replace SSL.
TLS
The traffic policing feature ensures that no traffic exceeds the maximum rate (bits per second) that you
traffic policing
configure, thus ensuring that no one traffic flow can take over the entire resource.
See
transform set
See xlate.
translate,
translation
A mode in which the FWSM is not a router hop. You can use transparent firewall mode to simplify
transparent firewall
mode your network configuration or to make the FWSM invisible to attackers. You can also use transparent
firewall mode to allow traffic through that would otherwise be blocked in
also
An IPSec
transport mode
header untouched. Transport mode is less secure than tunnel mode.
TAPI Service Provider. See also TAPI.
TSP
An IPSec
tunnel mode
Tunnel mode is more secure than transport mode.
A method of transporting data in one protocol by encapsulating it in another protocol. Tunneling is
tunnel
used for reasons of incompatibility, implementation simplification, or security. For example, a tunnel
lets a remote
Increases
Turbo ACL
to access the tables in a small, fixed number of lookups, independent of the existing number of
entries.
U
User Datagram Protocol. A connectionless transport layer protocol in the IP protocol stack. UDP is a
UDP
simple protocol that exchanges datagrams without acknowledgments or guaranteed delivery, which
requires other protocols to handle error processing and retransmission. UDP is defined in RFC 768.
Universal Mobile Telecommunication System. An extension of
UMTS
all-IP network by delivering broadband information, including commerce and entertainment services,
to mobile users via fixed, wireless, and satellite networks
Unicast Reverse Path Forwarding. Unicast RPF guards against spoofing by ensuring that packets have
Unicast RPF
a source IP address that matches the correct source interface according to the routing table.
Uniform Resource Locator. A standardized addressing scheme for accessing hypertext documents and
URL
other services using a browser. For example, http://www.cisco.com.
Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide using ASDM
GL-20
IPSec transform set.
routed firewall mode.
encryption mode that encrypts only the data portion (payload) of each packet, but leaves the
encryption mode that encrypts both the header and data portion (payload) of each packet.
VPN client have encrypted access to a private network.
ACL lookup speeds by compiling them into a set of lookup tables. Packet headers are used
routed firewall
GPRS networks that moves toward an
mode. See
ACL
OL-20748-01