Firewall is a system that is used to define rules that govern the routing of connection requests to and from the customer/your network. By using a firewall system, for example, between your intranet and the internet, you can allow a defined set of services to pass through the different network zones while keeping other services out

Note : In Below Diagram we explain block the RDP for LAN to DMZ Zone


Step 1 : Login to the Tacitine. (If you are configuring the Tacitine for the first time, the default Lan IP is and default username : admin & Password : admin99

Step 2 : Click the Configuration > Firewall/Nat > FilterRule > Add

Step 3 : Protocol Action : Accept/Drop/Reject  depends user request and Protocol : make it TCP/UDP and If u need Log enable

Step 4 : Source Zone : For Source Address make it Specify Ip/Mac , and Exclude source address they don’t want came to this rule 

Step 5 : Destination zone mention the Zone whare the server in DMZ/Wan and mention the destination address and port number 
Step 6 : Save > Restart Service

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