Cisco Cisco IOS Software Release 12.4(23)
2.0 TOE Description
Document Organization
13
Security Target For Cisco IOS IPSec
Figure 5
Secure Intranet
Note
The TOE allows the remote internetworking devices to be securely managed and operated by locating
the management system on a trusted network. The TOE also uses the confidentiality, authenticity, and
integrity security services of the TOE to protect packet flows from the management system to the TOE,
in addition to protecting packet flows between trusted network. (See
the management system on a trusted network. The TOE also uses the confidentiality, authenticity, and
integrity security services of the TOE to protect packet flows from the management system to the TOE,
in addition to protecting packet flows between trusted network. (See
2.4.2 Extranets
The TOE enables two or more Intranets, interconnected by an untrusted network such as the public
Internet, to exchange packet flows in a manner that guarantees the confidentiality, authenticity, and
integrity of each packet flow. (See
Internet, to exchange packet flows in a manner that guarantees the confidentiality, authenticity, and
integrity of each packet flow. (See
Figure 6
Secure Extranet
Internetworking device
Trusted logical
network path
network path
Untrusted physical
network link
network link
Trusted network
Untrusted network
Management system
230595
Internetworking device
Trusted logical
network path
network path
Untrusted physical
network link
network link
Trusted network
Untrusted network
Management system
230596