Cisco ASA Series Cli Configuration Manual page 8

Software version 9.0 for the services module
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Glossary
Content
Interprets and modifies applications so that they render correctly over a clientless SSL VPN
Rewriting/Transform
connection.
ation
cookie
A cookie is a object stored by a browser. Cookies contain information, such as user preferences, to
persistent storage.
CPU
Central Processing Unit. Main processor.
CRC
Cyclical Redundancy Check. Error-checking technique in which the frame recipient calculates a
remainder by dividing frame contents by a prime binary divisor and compares the calculated remainder
to a value stored in the frame by the sending node.
CRL
Certificate Revocation List. A digitally signed message that lists all of the current but revoked
certificates listed by a given CA. A CRL is analogous to a book of stolen charge card numbers that
allow stores to reject bad credit cards. When certificates are revoked, they are added to a CRL. When
you implement authentication using certificates, you can choose to use CRLs or not. Using CRLs lets
you easily revoke certificates before they expire, but the CRL is generally only maintained by the
or an RA. If you are using CRLs and the connection to the
authentication is requested, the authentication request will fail. See also CA, certificate,
CRV
Call Reference Value. Used by
cryptography
Encryption, authentication, integrity, keys and other services used for secure communication over
networks. See also
crypto map
A data structure with a unique name and sequence number that is used for configuring VPNs on the
ASA. A crypto map selects data flows that need security processing and defines the policy for these
flows and the crypto peer that traffic needs to go to. A crypto map is applied to an interface. Crypto
maps contain the ACLs, encryption standards, peers, and other parameters necessary to specify security
policies for VPNs using
CTIQBE
Computer Telephony Interface Quick Buffer Encoding. A protocol used in IP telephony between the
Cisco CallManager and CTI
protocol inspection module and supports NAT, PAT, and bidirectional NAT. This protocol enables
Cisco IP SoftPhone and other Cisco TAPI/JTAPI applications to communicate with Cisco CallManager
for call setup and voice traffic across the ASA.
cut-through proxy
Enables the ASA to provide faster traffic flow after user authentication. The cut-through proxy
challenges a user initially at the application layer. After the security appliance authenticates the user,
it shifts the session flow and all traffic flows directly and quickly between the source and destination
while maintaining session state information.
D
data confidentiality
Describes any method that manipulates data so that no attacker can read it. This is commonly achieved
by data encryption and keys that are only available to the parties involved in the communication.
data integrity
Describes mechanisms that, through the use of encryption based on
algorithms, allow the recipient of a piece of protected data to verify that the data has not been modified
in transit.
Cisco ASA Series CLI Configuration Guide
GL-4
H.225.0
to distinguish call legs signaled between two entities.
VPN
and IPsec.
IKE
and IPsec. See also VPN.
TAPI
and
JTAPI
CA
or
RA
is not available when
applications. CTIQBE is used by the TAPI/JTAPI
secret key
CA
public
key, RA.
or
public key

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