Private home subnet

The why If we share our home network with suspicious (IoT) devices and guests, we can never be sure our network is secure. It would be good if we could keep non-trusted devices on a different network, separate from the trusted devices. A possible topology The solution is to nest a trusted network under a non-trusted network. This will be enough to ensure that the trusted devices can access the whole network, but that the non-trusted devices can’t access the private network. ...

April 16, 2026 · Aeliton Silva

Avoid DNS leaking with Network Manager and OpenVPN

What is a DNS leak? Straight from Wikipedia: “A DNS leak is a security flaw that allows DNS requests to be revealed to internet service provider (ISP) DNS servers, despite the use of a VPN service to attempt to conceal them.[1] The vulnerability allows an ISP, as well as any on-path eavesdroppers, to see what websites a user is visiting.” If you are on Linux, use NetworkManager and connects to VPNs using openvpn, you might be interested in reading this further. ...

April 2, 2026 · Aeliton Silva