TMS zl Management and Configuration Guide ST.1.0.090213

B-13
Glossary
I
IANA Internet Assigned Numbers Authority. The organization that oversees the
global coordination of the DNS Root, IP addressing, and other Internet proto-
col resources.
IANA IP protocols Protocols for which the IANA has assigned a unique identifier. For example,
TCP is identified by the number 6.
IAS Internet Authentication Services. The Microsoft implementation of RADIUS.
ICMP Internet Message Control Protocol. A protocol in the IP suite that reports
problems that are incurred while delivering IP packets.
ICMP echo An ICMP function that sends a packet between two hosts (both directions).
The ping command uses an ICMP echo to check network connectivity.
ICMP error
message
ICMP messages that report an error that occurred while delivering IP packets.
ICMP message
handling
The predefined response to ICMP messages. For example, the response to a
Source Quench ICMP message is for the source to send traffic more slowly.
ICMP replay An attack where the attacker sends ICMP messages to one or many ports of
the victim device, in hopes of mapping out open and closed ports.
ICV Integrity Check Value. A value that is assigned to a file and used to check the
file (at a later date) to verify that the data file has not been changed.
Identity Driven
Manager
See IDM.
identity type A name that each endpoint of an IPsec VPN uses to authenticate itself. The
identity is specified in the IKE policy and can be an IP address, a domain name,
an email address, or a distinguished name. For multiple clients in a client-to-
site policy, you can use wildcards.
IDM Identity Driven Manager. A ProCurve networking application that provides
management of user-based profiles (including ACLs, QoS settings, and rate
limits). IDM assigns various profiles to end-users based on their identity
(community), access time, access location, and endpoint integrity posture.
IDS Intrusion Detection System. A device or software that is used to detect
malware or unauthorized attempts to enter the network.
IDS/IPS A device that provides both IDS and
IPS capabilities.