Networking

Use a localhost-only TLS 1.0 listener and upstream TLS 1.2 client hop to keep legacy apps working without weakening server security.

Introduction DNS leaks are commonly discussed as a privacy concern when using VPNs or other privacy tools. However, the real danger lies in data exfiltration from protected environments, even those with external access locked down in and out. The critical vulnerability is this: even if your DNS query goes to your private DNS resolver first, it eventually reaches the public internet to resolve unknown domains. If an attacker crafts a domain with a specifically configured DNS server, they can log these queries and extract sensitive data that was embedded in the subdomain. ...

How to identify devices by MAC address when AT&T/Nokia routers show cryptic device names instead of hostnames or IP addresses in NAT rule configuration.