What topology does a phone or cable company use for assigning IP addresses to individual homes using coax or fiber?

I am trying to understand how the physical provider of my internet service is doing it so I can configure some things right. And I have two locations with different providers who have different hardware. In my old location, I had the cable company using coax provide both cable TV and internet. When I look…

Handling DNS with openvpn Linux client windows server

I have the following .ovpn configuration file dev tun persist-tun persist-key cipher AES-128-CBC ncp-disable auth SHA1 tls-client client resolv-retry infinite remote 177.220.97.66 1194 tcp-client setenv opt block-outside-dns verify-x509-name “vpn01.unisim.cepetro.unicamp.br” name auth-user-pass remote-cert-tls server comp-lzo yes auth-nocache proto tcp resolv-retry infinite nobind keepalive 10 60 reneg-sec 0 tun-mtu 6000 fragment 0 mssfix 0 sndbuf 0 rcvbuf…