Add config

.gitignore

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+unbound_control.key
+unbound_control.pem
+unbound_server.key
+unbound_server.pem

unbound.conf

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+# Unbound configuration file for Debian.
+#
+# See the unbound.conf(5) man page.
+#
+# See /usr/share/doc/unbound/examples/unbound.conf for a commented
+# reference config file.
+#
+# The following line includes additional configuration files from the
+# /etc/unbound/unbound.conf.d directory.
+include-toplevel: "/etc/unbound/unbound.conf.d/*.conf"

unbound.conf.d/boba.conf

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+# Based on https://docs.pi-hole.net/guides/dns/unbound/#configure-unbound
+# See https://git.boba.best/configs/unbound
+server:
+    verbosity: 0
+    #interface: 0.0.0.0
+    #interface: ::
+    interface: 127.0.0.1
+    interface: ::1
+    port: 53
+    do-ip4: yes
+    do-udp: yes
+    do-tcp: yes
+    do-ip6: yes
+    prefer-ip6: yes
+    # Reduce EDNS reassembly buffer size.
+    # Suggested by the unbound man page to reduce fragmentation reassembly problems
+    edns-buffer-size: 1472
+    # Perform prefetching of close to expired message cache entries
+    # This only applies to domains that have been frequently queried
+    prefetch: yes
+    # One thread should be sufficient, can be increased on beefy machines. In reality for most users running on small networks or on a single machine, it should be unnecessary to seek performance enhancement by increasing num-threads above 1.
+    #num-threads: 1
+    # Ensure kernel buffer is large enough to not lose messages in traffic spikes
+    so-rcvbuf: 1m
+    # Ensure privacy of local IP ranges
+    private-address: 192.168.0.0/16
+    private-address: 169.254.0.0/16
+    private-address: 172.16.0.0/12
+    private-address: 10.0.0.0/8
+    private-address: fd00::/8
+    private-address: fe80::/10

unbound.conf.d/root-auto-trust-anchor-file.conf

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+server:
+    # The following line will configure unbound to perform cryptographic
+    # DNSSEC validation using the root trust anchor.
+    auto-trust-anchor-file: "/var/lib/unbound/root.key"