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Chapter 6 - Basic Configuration Guide

 

 

6. Set an IKE Policy.

There are two phases to the IKE negotiation. During Phase 1 negotia- tion, the IntraPort and Client must authenticate each other. The IKE Policy dialog box controls this Phase 1 negotiation. Phase 2 negotiation involves the setup of an individual tunnel connection and is controlled by the VPN Group Configuration, documented in Step 7.

IKE Policy

To access this dialog box, select IKE Policy under Global in the Device View.

These parameters specify a protection suite for the IKE negotiation between the IntraPort server and client. There are three pieces to the IKE protection suite.

1.The first piece of each option is the authentication algorithm to be used for the negotiation. MD5 is the message-digest 5 hash algo- rithm. SHA is the Secure Hash Algorithm, which is considered to be somewhat more secure than MD5.

2.The second piece is the encryption algorithm. DES (Data Encryp- tion Standard) uses a 56-bit key to scramble the data. 3DES uses three different keys and three applications of the DES algorithm to scramble the data.

3.The third piece is the Diffie-Hellman group to be used for key exchange. Because larger numbers are used by the Group 2 (G2) algorithm, it is more secure than Group 1 (G1).

A.You can specify one or more protection suites by checking as many of the boxes as you wish, or leave the default setting.

B.Click OK.

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Compatible Systems 2+ manual Set an IKE Policy

2+, 2 specifications

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