
Session Limit & Firewall Exception
Session Limit
This new feature allows to drop the new sessions from both WAN and LAN side. If the new sessions number are exceed the maximum sessions in a sampling time.
Settings - Session Limit
Sample Time  | The period to count the�  | 
  | 400   | 
Maximum of Total New session | If the number of new sessions for system exceed the maximum in the Sampling Time. Any new sessions in the system will be dropped. (Default: 65535  | 
  | session/sec)  | 
Maximum of New Sessions for | If the number of new sessions for the host exceeds the maximum in the sampling time. Any new session of the host will be dropped. (Default: session/  | 
Host | sec)  | 
Maximum of Dropped New  | If the number of �  | 
Sessions for Host  | pause time.  | 
Pause Time | Within the pause time, no new session of the suspended host could be served by system.( Default is 5 minutes)  | 
Firewall Exception
System Firewall Exception Rules: The rules with which any received packets is complied, the packets will not processed by Firewall or NAT module, but to be processed directly by system protocol stack.
Settings - Firewall Exception
Enable  | The check box can allow you enable or disable firewall exception.  | 
Interface  | You can select LAN, WAN1, WAN2 or ALL interfaces to be process by the system protocol stack.  | 
Protocol  | There are six protocols (UDP/TCP/ICMP/GRE/ESP/AH) to choose from. This allows packets to be directly processed by the system protocol stack.  | 
Foreign Port Range  | Select foreign port number range directly process by system protocol stack. Click the check box to enable.  | 
Device Port Range  | Select device port number range directly process by system protocol stack. Click the check box to enable.  | 
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