Скачать или смотреть Setup Pi-Hole as a Recursive DNS Server with Unbound

#PiHole #AdBlocking #Unbound

Full steps can be found at https://i12bretro.github.io/tutorials...

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Installing and Configuring Unbound
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   01. Run the following commands in a terminal window:
         install unbound
         sudo apt install unbound
         update root hints file
         wget https://www.internic.net/domain/named... qO | sudo tee /var/lib/unbound/root.hints
         edit unbound configuration
         sudo nano /etc/unbound/unbound.conf.d/pi-hole.conf
   02. Paste the following configuration into pi-hole.conf
         server:
             If no logfile is specified, syslog is used
             logfile: "/var/log/unbound/unbound.log"
             verbosity: 0
             interface: 127.0.0.1
             port: 5335
             do-ip4: yes
             do-udp: yes
             do-tcp: yes
             May be set to yes if you have IPv6 connectivity
             do-ip6: no
             You want to leave this to no unless you have native IPv6. With 6to4 and
             Terredo tunnels your web browser should favor IPv4 for the same reasons
             prefer-ip6: no
             Use this only when you downloaded the list of primary root servers!
             If you use the default dns-root-data package, unbound will find it automatically
             #root-hints: "/var/lib/unbound/root.hints"
             Trust glue only if it is within the server's authority
             harden-glue: yes
             Require DNSSEC data for trust-anchored zones, if such data is absent, the zone becomes BOGUS
             harden-dnssec-stripped: yes
             Don't use Capitalization randomization as it known to cause DNSSEC issues sometimes
             see https://discourse.pi-hole.net/t/unbou... for further details
             use-caps-for-id: no
             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
   03. Press CTRL+O, Enter, CTRL+X to write the changes to pi-hole.conf
   04. Continue with the following commands in terminal
         restart the unbound service
         sudo service unbound restart
         test a DNS lookup via unbound
         dig github.io @127.0.0.1 -p 5335
   05. Back in the web browser, navigate back to the Pi-Hole web interface
   06. Log in if you are not already
   07. Select Settings ≫ DNS
   08. Uncheck any of the previously selected upstream DNS servers
   09. Check the box next to Custom 1 (IPv4)
   10. Enter 127.0.0.1#5335 as the address
   11. Scroll down and click the Save button
 
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Testing the Changes
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   01. Open a new tab in the web browser and navigate to https://yahoo.com
   02. Go back into Pi-Hole and select Query Log from the left navigation
   03. Filter the results on www.yahoo.com
   04. You should see entries showing the DNS requests forwarding to localhost#5335
 


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