The URL tplinkwifi.net resolves to your router’s gateway IP address. If the URL is not working you can try and use your Router’s gateway IP. The data transmitted between the browser (client) and tplinkwifi.net (server) remains safe and encrypted. No one else could decrypt the data except the client and the server, because the server uses a secure connection builder.
If a user has forgotten the wireless password of a Dlink router, he can access it through the Dlinkrouter.local interface. A user can log in to the web management window of a router and change the wireless password through the Wireless settings tab of the Homepage of a router. After changing a Wifi password, the devices connected to the network will automatically get disconnected.