Zoom 4420-A User Manual

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Advanced VPN Settings for IKE 
IKE (Internet Key Exchange) is the protocol used by VPNs to 
establish a connection between a server and a remote client. 
On the VPN client setup page, in the Key Management section 
click the IKE button to open the VPN Settings for IKE page: 
 
 
Parameter 
Select or enter . . . 
Tunnel x 
Displays the VPN tunnel number. 
Phase 1 
 
Encryption 
Algorithm 
Select: 
3DES (a mode of the Data Encryption 
Standard algorithm that encrypts data three 
times) 
AES 128 (128-bit Advanced Encryption 
Standard) 
 
Chapter 7. VPN Settings 
 
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