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jackson2wjackson2w/claude-code-skills/pihole-dot-upstream-failover/SKILL.md

pihole-dot-upstream-failover

Skill1 starsChanged 9 days agoNo licenceView on GitHub

This skill should be used when adding DNS-over-TLS (DoT) as a Pi-hole upstream resolver, when evaluating cloudflared for DoT/DoH proxying, when a "no fallback DNS" or "DNS failures should surface" constraint needs to coexist with wanting resilience against a recursive resolver (e.g. Unbound) going down, when pihole-FTL --config dns.upstreams rejects an unquoted value as invalid JSON, or when designing an alerted (not silent) failover watcher for infrastructure that must not silently mask its own failures. Trigger phrases include "cloudflared proxy-dns", "cloudflared DoT deprecated", "pihole DNS over TLS", "stubby DoT", "pihole-FTL --config dns.upstreams", "dns.upstreams invalid JSON", "Unbound fallback resolver", "no fallback DNS constraint", "alerted failover watcher", "silent fallback DNS", "pihole upstream failover", "Quad9", "Unbound forward-zone DoT", "forward-tls-upstream", "switch Unbound from recursive to forwarding", "tls-cert-bundle certificate verify failed", "unbound reload vs restart", "serve-expired hides an upstream outage", "FTLCONF_dns_upstreams read-only", "docker Pi-hole upstream".

The file

We split this skill into the rules it gives an agent

9 rules. About 0 are common, 6 are distinctive, and 3 are very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈6

    Distinctive · estimate

    This author's own choices. Worth a look.

  • 3

    Very specific

    Tied to their project's names, files or tools. Probably skip.

No licence file, so all rights are reserved — read it at the source. We count its rules but don't quote them. Read them on GitHub.

≈ “Common” is an estimate: at least 1 in 5 of the 350,495 skill files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

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