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OT: If someone wanted to block connections to Google's DNS servers, can it be done reliably? Is there a known, static range? AFAIK Android also uses Google's D
by hackuser 10y ago
OT: If someone wanted to block connections to Google's DNS servers, can it be done reliably? Is there a known, static range?
AFAIK Android also uses Google's DNS servers, and it's hard coded into the OS, and the client pings the server before any software firewall can load at boot. (Allow me to reemphasize: AFAIK; if someone knows more I'd appreciate it.)
- viraptor 10y agoI don't know how the mobile networks configure the dns, but on WiFi android uses whatever dns server is advertised via dhcp.
- izacus 10y agoAndroid yes, Chromecast no. It's hardcoded to defeat DNS-level location spoofing for Netflix and similar services.
- tracker1 10y agoYou can capture all DNS outbound (port 53) traffic not to/from your local DNS server and redirect it to your local/internal DNS server if you really wanted to. This is often done in order to jail/freeze all traffic until authenticated as well as whitelist certain traffic for the purpose of authentication.