VPN Session Settings
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VPN Session Settings
Select Session, and in VPN Session
Settings, configure global settings related to the firewall establishing
a VPN session. The following table describes the settings.
VPN Session Settings | Description |
---|---|
Cookie Activation Threshold | Specify a maximum number of IKEv2 half-open
IKE SAs allowed per firewall, above which cookie validation is triggered.
When the number of half-open IKE SAs exceeds the Cookie Activation Threshold,
the Responder will request a cookie, and the Initiator must respond
with an IKE_SA_INIT containing a cookie. If the cookie validation
is successful, another SA session can be initiated. A value
of 0 means that cookie validation is always on. The Cookie
Activation Threshold is a global firewall setting and should be
lower than the Maximum Half Opened SA setting, which is also global
(range is 0 to 65535; default is 500). |
Maximum Half Opened SA | Specify the maximum number of IKEv2 half-open
IKE SAs that Initiators can send to the firewall without getting
a response. Once the maximum is reached, the firewall will not respond
to new IKE_SA_INIT packets (range is 1 to 65535; default is 65535). |
Maximum Cached Certificates | Specify the maximum number of peer certificate
authority (CA) certificates retrieved via HTTP that the firewall
can cache. This value is used only by the IKEv2 Hash and URL feature
(range is 1 to 4000; default is 500). |