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add pdnsd
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13
pdnsd/Dockerfile
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pdnsd/Dockerfile
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#
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# Dockerfile for pdnsd
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#
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FROM alpine
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MAINTAINER kev <noreply@datageek.info>
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RUN apk add -U pdnsd \
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&& rm -rf /var/cache/apk/*
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EXPOSE 53/tcp 53/udp
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CMD ["pdnsd"]
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23
pdnsd/README.md
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pdnsd/README.md
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pdnsd
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=====
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`pdnsd` is a proxy DNS server with permanent caching (the cache contents are
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written to hard disk on exit) that is designed to cope with unreachable or down
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DNS servers (for example in dial-in networking).
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Since version 1.1.0, pdnsd supports negative caching.
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## docker-compose.yml
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```
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pdnsd:
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image: vimagick/pdnsd
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# volumes:
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# - pdnsd.conf:/etc/pdnsd.conf
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ports:
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- "53:53/tcp"
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- "53:53/udp"
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restart: always
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```
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> Uncomment `volumes` to use customized config file.
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6
pdnsd/docker-compose.yml
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pdnsd/docker-compose.yml
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pdnsd:
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image: vimagick/pdnsd
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ports:
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- "53:53/tcp"
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- "53:53/udp"
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restart: always
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51
pdnsd/pdnsd.conf
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pdnsd/pdnsd.conf
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#
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# Default Alpine Linux pdnsd config
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#
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# See /usr/share/pdnsd/pdnsd.conf.sample and the pdnsd.conf(5) manpage,
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# both available in the pdnsd-doc package.
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#
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# Comments can begin with either '#' or '//', and entire blocks may be
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# commented out with '/*' and '*/'.
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#
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global {
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perm_cache=2048;
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cache_dir="/var/cache/pdnsd";
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run_as="pdnsd";
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server_ip = any;
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status_ctl = on;
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# paranoid=on; # This option reduces the chance of cache poisoning
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# but may make pdnsd less efficient, unfortunately.
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min_ttl=15m; # Retain cached entries at least 15 minutes.
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max_ttl=1w; # One week.
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timeout=10; # Global timeout option (10 seconds).
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neg_domain_pol=on;
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}
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server {
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label= "googledns";
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ip = 8.8.8.8, 8.8.4.4;
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proxy_only=on;
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lean_query=on;
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timeout=4; # Server timeout; this may be much shorter
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# that the global timeout option.
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uptest=none;
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interval=10m; # Check every 10 minutes.
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purge_cache=off;
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}
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/*
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source {
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owner=localhost;
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# serve_aliases=on;
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file="/etc/hosts";
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}
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*/
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rr {
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name=localhost;
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reverse=on;
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a=127.0.0.1;
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# a=::1;
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owner=localhost;
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soa=localhost,root.localhost,42,86400,900,86400,86400;
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}
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