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Cisco Router and Security Device Manager 2.5 User’s Guide
OL-4015-12
Glossary
route
A path through an internetwork.
route map
Route maps enable you to control information that is added to the routing table.
Cisco SDM automatically creates route maps to prevent NAT from translating
specific source addresses when doing so would prevent packets from matching
criteria in an IPSec rule.
RPC
remote procedure call. RPCs are procedure calls that are built or specified by
clients and executed on servers, with the results returned over the network to the
clients. See also client/server computing.
RR
Risk Rating. An RR is a value between 0 and 100 that represents a numerical
quantification of the risk associated with a particular event on the network.
RSA
Rivest, Shamir, and Adelman, the inventors of this cryptographic key exchange
technique, which is based on factoring large numbers. RSA is also the name of
the technique itself. RSA may be used for encryption and authentication, and is
included in many security protocols.
RSA keys
An RSA asymmetric key pair is a set of matching public and private keys.
RSA signatures
One of three authentication methods offered in IPSec, with the other two
methods being RSA encrypted nonces, and pre-shared keys. Also, one of the
three Federal Information Processing Standards (FIPS)–approved algorithms for
generating and verifying digital signatures. The other approved algorithms are
DSA and Elliptic Curve DSA.
rule
Information added to the configuration to define your security policy in the form
of conditional statements that instruct the router how to react to a particular
situation.