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41 lines
1.7 KiB
Plaintext
41 lines
1.7 KiB
Plaintext
# Don't do this, just run this instead:
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# sudo ln -sf /run/systemd/resolve/stub-resolv.conf /etc/resolv.conf
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# Or look at the other scripts in this directory such as
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# resolv.conf-generate.bash - creates simpler version of this file without
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# the comments
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# systemd-resolv.conf-generate.bash - same as the above, but only users
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# 127.0.0.53 as a nameserver
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# systemd-resolv.conf-restore.bash - restores/creates the symlink of line 2
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# Problem: unbound is slow to start and everything complains of failing DNS,
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# and systemd-resolved often gets itself stuck with DNSSEC.
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# https://github.com/systemd/systemd/issues/10579 & https://github.com/systemd/systemd/issues/9867
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# Solution that I dislike: use both unbound & systemd-resolved! When one
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# breaks, maybe the other still works! Funnily /etc/resolv.conf is still
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# restricted to three nameservers. However this may cause slowness unless
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# the options timeout is specified and I increase attempts to further prefer
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# unbound (which is listed twice).
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# unbound or other local resolver
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nameserver ::1
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nameserver 127.0.0.1
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# systemd-resolved. WARNING: May cause DNS leaks.
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nameserver 127.0.0.53
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# systemd-resolved DNS proxy (to upstream). No DNSSEC, no LLMNR, no mDNS!
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#nameserver 127.0.0.54
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# edns0 = extended DNS
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# trust-ad = trust DNSSEC authenticated data
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# timeout:1 = nameserver timeout 1 s (default 5, max 30), then next
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# attempts:5 = if all nameservers fail, attempt again 5 times (def 2, max 5)
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options edns0 trust-ad timeout:1 attempts:5
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# no sending local domain to upstream whenever NXDOMAIN happens
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search .
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# PS. Remove empty lines and comments if this ends up in /etc/resolv.conf
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# PPS. The traditional spell is:
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# sudo chattr -i /etc/resolv.conf;sudo nvim /etc/resolv.conf;sudo chattr +i /etc/resolv.conf
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