Hotbrick Dual WAN Firewall Router VPN 800/2 User Manual

HotBrick Network Solutions 

NAT (Network Address Translation) is the technology which allows one (1) WAN (Internet) IP 
address to be used by many LAN users. 

 

 

Figure 4-9: NAT 

•  NAT Routing – You can enable or disable NAT through the check box. If you 

disable NAT checkbox, it will act as a bridge or Static Router. Most features 
will be unavailable. 

•  TCP Timeout – Enter the desired value to use on both WAN ports. The 

default is 300.  

•  UDP Timeout – Enter the desired value to use on both WAN ports. The 

default is 120. 

•  TCP Window Limit – Enter the desired value to use on both WAN ports. The 

default is 0 (no limit). 

•  TCP MSS Limit – Enter the required MSS (Maximum Segment Size) to use 

on both WAN ports. The default is 0 (no limit)., 

•  Disable Port Translation –If some packets whose port number cannot be 

translated for special applications, you must input value in port range for 
“Disable Port Translation” 

•  For each alias entry, the Wan IP acts as an alias IP of the host with Local Lan 

IP to internet via the specified WAN port for the specified Protocol packets 

 

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