32Caution! Before enabling MAC Filtering, add the MAC addressof your own PC or tablet to the Trusted Client list.Otherwise, the HotSpot will disconnect from yourWi-Fi device, and you won’t be able to reconnect.To remove a client from the Trusted Client List:1. Click or tap the drop down menu to select a device.2. Select the Delete Client button.Note: On wireless devices, the "MAC address" is called the"Physical Address". You can check the properties orstatus of the wireless device to find the MAC address.Trusted Client Buttons• Add Client: Select to add the MAC address typed in the AddTrusted Client MAC Address field to the Trusted Client List.• Delete Client: Select to remove a device from the Trusted ClientList.• Apply: Select to save changes made to the list.• Reset: Select to discard changes made to the list.Port Filtering TabPort Filtering blocks outgoing Internet traffic. When enabled,only traffic from selected applications can access theInternet. Traffic type is identified by port number.Note: DNS (Domain Name Server) should always be enabledwhen using Port Filtering. Without DNS, it is not possibleto convert a Domain name (for example, www.msn.com)to an IP address. DNS is used by E-mail, FTP, and manyother protocols as well as by Web browsers. Access the Web portal and select Security ➔ PortFIltering tab.Enable Port Filtering• Enable Port Filtering: Select the checkbox to enable PortFiltering.When the featured is enabled only traffic from selectedapplications from the Allowed Applications list are allowedaccess to the internet.When the featured is disabled all traffic is allowed to access to theinternet.