A co-worker had an accident and he needs to work from his house, when your computer is on a internal network and you need to access to it using something as VNC , as an network administrator and sys-admin you need to setup a few configs here and there for that to work. In this post i will show you how do i accomplished this requirement. As you may know VNC server listen to new connections at port number 5900, you have to download and install the proper software in the computer that is going to act like a server using this link then you need to configure your router or modem to accept connections from outside and do some port forwarding, if you don’t know how to do this don’t worry in this website there is all the info you need. In my case i was configuring a HUAWEI SMART-AX_MT882 to allow VNC connections so you can connect the router using some network cable , and using your web browser log into “192.168.1.1” of course your NIC has to be in the same network range so you can do something like this: