AdguardTeam / AdguardTeam/AdGuardHome

[Feature Request] An option to always return `NXDOMAIN` for TYPE65 (HTTPS) query

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#7,607 0 comentarios 1 reacción 0 asignados Ver en GitHub
feature request
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TypeScript
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Descripción

### Prerequisites

- [x] I have checked the [Wiki](https://github.com/AdguardTeam/AdGuardHome/wiki) and [Discussions](https://github.com/AdguardTeam/AdGuardHome/discussions) and found no answer

- [x] I have searched other issues and found no duplicates

- [x] I want to request a feature or enhancement and not ask a question

### The problem

Enterprise network needs IDS/IPS to meet the PCI-DSS (and many other security) requirements. This includes sniffing plain client hello to get the domain name from the HTTPS connection. ECH (Encrypted Client Hello) breaks that.

Per https://developers.cloudflare.com/ssl/edge-certificates/ech/, it is possible to disable ECH in browsers like Chrome by simply returning `NXDOMAIN` to TYPE65 (`HTTPS`) DNS query.

### Proposed solution

Add an option to AdGuardHome to return all `NXDOMAIN` to TYPE65 (`HTTPS`) DNS query.

### Alternatives considered and additional information

Haven't tested this out yet, but this rule might work, I don't know:

```
||*^$dnstype=HTTPS|TYPE65,dnsrewrite=NXDOMAIN
```

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