Security Researcher Detected: You might have ended up here because your site vulnerability scanner found something interesting. Hi! I'm a security engineer and I'm having a good time interacting with the people and bots that are interested in information security.
You will hopefully find this site is well-secured and I'm not interested in being hacked. I'm interested in learning about how people try to hack me, though.
What is this endpoint?
dns-query
DNS over HTTPS
What an attacker could do
Identifies a DNS-over-HTTPS resolver endpoint; if it is an open resolver it can be abused for DNS amplification, cache poisoning attempts, or as a covert data-exfiltration and command-and-control channel.
How to defend it
Restrict the DoH resolver to authorized clients, disable open recursion, rate-limit queries, and log/monitor for tunneling patterns if the endpoint is not intended to be public.
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Want to dive deeper into this topic? Check out the official documentation.
Read Official Documentation