ZyXEL Communications G.SHDSL.bis 4-port Security Gateway P-793H - Manual (Page 170)

P-793H User’s Guide
170 Chapter 11 IPSec VPN
11.4 Configuring Advanced IKE Settings
See Section 11.1 on page 155 for background information. Use this screen to configure
advanced settings for the VPN tunnel. Click Advanced in the Editing VPN Policies screen to
open this screen.
Authentication
Algorithm
Select SHA1 or MD5 from the drop-down list box. MD5 (Message Digest 5) and
SHA1 (Secure Hash Algorithm) are hash algorithms used to authenticate packet
data. The SHA1 algorithm is generally considered stronger than MD5, but is
slower. Select MD5 for minimal security and SHA1 for maximum security.
Advanced Click Advanced to configure more detailed settings of your IKE key management.
Apply Click Apply to save your changes back to the ZyXEL Device.
Cancel Click Cancel to begin configuring this screen afresh.
Table 51 VPN > Setup > Edit (continued)
LABEL DESCRIPTION