Avaya Configuring IPsec Services Bedienungsanleitung PDF herunterladen (Seite 8)

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Security Associations .............................................................................................1-11

Automated Security Associations Using Internet Key Exchange (IKE) ...........1-12

Manual Security Associations ..........................................................................1-12

Security Associations for Bidirectional Traffic ..................................................1-12

How IKE Negotiates Security Associations .....................................................1-13

Security Parameter Index (SPI) .......................................................................1-13

Summarizing Security Policies and SAs ................................................................1-14

Security Protocols .........................................................................................................1-15

Encapsulating Security Payload .............................................................................1-15

Authentication Header ............................................................................................1-16

Internet Key Exchange (IKE) Protocol ..........................................................................1-17

Perfect Forward Secrecy ........................................................................................1-17

Chapter 2

Installing IPsec

Upgrading Router Software ............................................................................................2-2

Installing the IPsec Software ..........................................................................................2-2

Completing the Installation Process .........................................................................2-3

Installing Triple DES Encryption ...............................................................................2-3

Securing Your Site ..........................................................................................................2-4

Securing Your Configuration ...........................................................................................2-4

Encryption Keys .......................................................................................................2-4

Random Number Generator (RNG) .........................................................................2-5

Creating and Using Node Protection Keys (NPKs) .........................................................2-5

Generating NPKs .....................................................................................................2-5

Entering an Initial NPK and a Seed for Encryption ..................................................2-6

Changing an NPK ....................................................................................................2-8

Monitoring NPKs ......................................................................................................2-8

Chapter 3

Starting IPsec

Enabling IPsec and IKE ..................................................................................................3-1

Creating Policies .............................................................................................................3-2

Specifying Criteria ....................................................................................................3-2

Specifying an Action .................................................................................................3-3

Policy Considerations ...............................................................................................3-3

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Avaya Configuring IPsec Services Bedienungsanleitung Seite 8