computer network - Page 3

How do I know if I am behind NAT? (SOLVED)

Posted by Alex On April 24, 2021

What is NAT NAT is a technology that allows multiple devices to access the Internet using the same IP address. By the way, NAT is already being applied in your local network, which has a router – it is thanks to this that all your devices can access the global network and each of them does not need to have...

How to fix ERR_NETWORK_CHANGED error (SOLVED)

Posted by Alex On April 20, 2021

What is the error ERR_NETWORK_CHANGED The ERR_NETWORK_CHANGED error shows the Google Chrome web browser when it was unable to load the site page due to the change in network parameters. More specifically, the web browser initiated the connection and the remote host responded, but before the page was loaded, something changed on the network. Your connection was interrupted A network...

How to prevent NetworkManager from managing a specific interface? (SOLVED)

Posted by Alex On February 19, 2021

NetworkManager is a Linux service that manages various network interfaces, including physical, such as Ethernet and wireless, and virtual, such as VPN and other tunnels. Network Manager can be configured to manage some or all of the system interfaces. NetworkManager has a graphical interface - this is the applet that opens when you click on the network icon located next...

Why does VirtualBox lose connection when changing MAC address (SOLVED)

Posted by Alex On February 18, 2021

Virtual machine, after changing MAC address of eth0, the connection does not work. When changing only the last three octets, the situation is the same. Restarting the modem does not give results, there is no filtering by MAC addresses. Why is this happening and how can I fix it? VirtualBox does not support changing the MAC address inside the guest...