Dnsmasq patch that adds options for filtering IPv6, HTTPS, SVCB and other unknown query types

Phazor / Cascade 1733

Please feel free to copy, distribute and change this program in any way you like.

This patch adds the following configuration options:

• filter-aaaa: filter all ipv6 queries
• filter-svcb: filter all svcb / query type 64 (patch for dnsmasq version 2.90)
• filter-https: filter all https / query type 65
• filter-unknown: filter all unknown query types

Further changes as well:

• increase ttl-floor-limit to 604800 (--min-cache-ttl)
• increase dnssec-min-ttl to 3600 (DNSKEY and DS records in cache last at least this long)
• conntrack
• dnssec
• no dumpfile
• no dhcp6

1. git clone git://thekelleys.org.uk/dnsmasq.git or download src from https://thekelleys.org.uk/dnsmasq/

2. cd dnsmasq

3. git apply dnsmasq-2.XX-filter-aaaa+https+unknown.patch

4. make

5. cp src/dnsmaq to your server

6. Add following options to your dnsmasq.conf:

   • filter-aaaa
   • filter-svcb (patch for dnsmasq version 2.90)
   • filter-https
   • filter-unknown

7. Enjoy the silence!

Got inspiration from other coders and patches online.

Any suggestions?