![]() For example, if you use a filtered DNS service like Cloudflare Security or AdGuard, responses from blocked domains are 0.0.0.0 which causes dnsmasq to fill the system log with possible DNS-rebind attack detected messages. Optional: Use dnscrypt-proxy for DNS rebinding protectionĭnsmasq can do DNS rebinding protection, but it can be useful to perform this in dnscrypt-proxy instead. Note that you must specify the DoH server(s) that you actually use in its allowlist otherwise dnscrypt-proxy will not be able to use DoH itself. It has a built-in DoH blocklist or you can use the larger list by jpgpi250. # Warning: can break stuff, don't use this one if you run an mDNS serverĪnd reload Firewall: /etc/init.d/firewall reload Optional: Block LAN clients from using DoH servers directlyįor advanced users, you can block access to IP addresses of known DoH servers with the package banIP. Option target 'REJECT ' # Optional: Redirect queries for DNS servers running on non-standard ports. Option target 'DNAT ' # Block DNS-over-TLS over port 853 # Assuming you're not actually running a DoT stub resolver ![]() ![]() # Redirect unencrypted DNS queries to dnscrypt-proxy # This will thwart manual DNS client settings and hardcoded DNS servers like in Google devices ![]()
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