102 lines
2.2 KiB
Bash
102 lines
2.2 KiB
Bash
#!/bin/bash
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apt install unbound unbound-host
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curl -o /var/lib/unbound/root.hints https://www.internic.net/domain/named.cache
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cat << EOF > /etc/unbound/unbound.conf
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# Unbound configuration file for Debian.
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#
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# See the unbound.conf(5) man page.
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#
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# See /usr/share/doc/unbound/examples/unbound.conf for a commented
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# reference config file.
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#
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# The following line includes additional configuration files from the
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# /etc/unbound/unbound.conf.d directory.
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server:
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interface: 127.0.0.1
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interface: ::1
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port: 5353
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do-ip6: yes
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prefer-ip6: yes
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do-ip4: yes
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do-udp: yes
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do-tcp: yes
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# Set number of threads to use
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num-threads: 4
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# Log settings
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log-queries: no
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log-replies: no
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log-servfail: no
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log-local-actions: no
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logfile: /dev/null
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# Hide DNS Server info
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hide-identity: yes
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hide-version: yes
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# Limit DNS Fraud and use DNSSEC
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harden-algo-downgrade: yes
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harden-below-nxdomain: yes
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harden-large-queries: yes
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harden-glue: yes
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harden-dnssec-stripped: yes
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harden-referral-path: yes
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harden-short-bufsize: yes
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use-caps-for-id: yes
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qname-minimisation: yes
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deny-any: yes
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aggressive-nsec: yes
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rrset-roundrobin: yes
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minimal-responses: yes
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# If DNSSEC isnt working uncomment the following line
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# auto-trust-anchor-file: "/var/lib/unbound/root.key"
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# Minimum lifetime of cache entries in seconds
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cache-min-ttl: 1800
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# Configure TTL of Cache
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cache-max-ttl: 3600
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# Optimizations
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msg-cache-slabs: 8
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rrset-cache-slabs: 8
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infra-cache-slabs: 8
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key-cache-slabs: 8
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outgoing-range: 8192
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num-queries-per-thread: 4096
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serve-expired: yes
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serve-expired-ttl: 3600
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edns-buffer-size: 1232
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prefetch: yes
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prefetch-key: yes
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target-fetch-policy: "3 2 1 1 1"
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unwanted-reply-threshold: 10000000
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so-sndbuf: 4m
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so-rcvbuf: 4m
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so-reuseport: yes
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# Set cache size
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rrset-cache-size: 2048m
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msg-cache-size: 1024m
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neg-cache-size: 4m
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# increase buffer size so that no messages are lost in traffic spikes
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so-rcvbuf: 1m
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# Private Networks
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private-address: 192.168.0.0/16
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private-address: 169.254.0.0/16
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private-address: 172.16.0.0/12
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private-address: 10.0.0.0/8
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private-address: fd00::/8
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private-address: fe80::/10
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EOF
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chown -R unbound:unbound /var/lib/unbound
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systemctl enable --now unbound |