Prestige 792H User’s Guide
VPN Screens
14-15
previous and subsequent keys are not compromised, because subsequent keys are not derived from previous
keys. The (time-consuming) Diffie-Hellman exchange is the trade-off for this extra security.
This may be unnecessary for data that does not require such security, so PFS is disabled (
None
) by default in
the Prestige. Disabling PFS means new authentication and encryption keys are derived from the same root
secret (which may have security implications in the long run) but allows faster SA setup (by bypassing the
Diffie-Hellman key exchange).
14.11 Configuring Advanced IKE Settings
Click
Advanced
in the
VPN IKE
screen. This is the
VPN IKE- Advanced
screen as shown next.
Figure 14-5 VPN IKE: Advanced
Summary of Contents for Prestige 792H
Page 1: ...Prestige 792H G SHDSL 4 port Security Gateway User s Guide Version 3 40 BZ 0 March 2004...
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Page 86: ...Prestige 792H User s Guide 5 14 WAN Setup Figure 5 6 Advanced WAN Backup...
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Page 178: ...Prestige 792H User s Guide 14 8 VPN Screens Figure 14 3 VPN IKE...
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Page 221: ...Maintenance VI Part VI Maintenance This part covers the maintenance screens...
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Page 415: ...XI Part XI Appendices and Index This section provides some Appendices and an Index...
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