Bsnl

BSNL’s default DNS servers hijack unresolved domain queries and redirect users to ad-laden spam pages like http://domain-error.com. To prevent this ISP hijacking, configure NetworkManager to ignore ISP-assigned DNS servers and use Google Public DNS instead. Edit your NetworkManager connection profile in /etc/NetworkManager/system-connections/: [ipv4] dns=8.8.8.8;8.8.4.4; dns-search= method=auto ignore-auto-dns=true Alternatively, you can configure this graphically or via the terminal interface with nmtui: sudo nmtui References Google Public DNS Guide Ask Ubuntu: Redirecting to http://domain-error.com

In short: it’s terrible. Here is the longer story. The Modem The ISP-provided modem is a DNA A211. By default, it uses admin/admin credentials, and the web management console is accessible over Wi-Fi! It appears to run a Linux 2.6.8 kernel, likely with a GNU-based userland stack. However, I haven’t been able to locate the GPL source code published anywhere on their website. The modem requires a daily reboot to maintain a stable internet connection—I still haven’t figured that one out. ...