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folbrich
2023-01-26 12:16:36 +01:00
parent 2128e450ba
commit a1bb645d85
2 changed files with 5 additions and 3 deletions
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cache.go
+1 -1
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@@ -59,7 +59,7 @@ type CacheOptions struct {
// Query name that will trigger a cache flush. Disabled if empty.
FlushQuery string
// If a query is received for a record that less that PrefetchTrigger TTTL left, the
// If a query is received for a record with less that PrefetchTrigger TTL left, the
// cache will send another query to upstream. The goal is to automatically refresh
// the record in the cache.
PrefetchTrigger uint32
doc/configuration.md
+4 -2
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@@ -301,8 +301,10 @@ Options:
- `cache-size` - Max number of responses to cache. Defaults to 0 which means no limit. Optional
- `cache-negative-ttl` - TTL (in seconds) to apply to responses without a SOA. Default: 60. Optional
- `cache-answer-shuffle` - Specifies a method for changing the order of cached A/AAAA answer records. Possible values `random` or `round-robin`. Defaults to static responses if not set.
- `cache-harden-below-nxdomain` - Return NXDOMAIN for sudomain queries if the parent domain has a cached NXDOMAIN. See [RFC8020](https://tools.ietf.org/html/rfc8020).
- `cache-harden-below-nxdomain` - Return NXDOMAIN for domain queries if the parent domain has a cached NXDOMAIN. See [RFC8020](https://tools.ietf.org/html/rfc8020).
- `cache-flush-query` - A query name (FQDN with trailing `.`) that if received from a client will trigger a cache flush (reset). Inactive if not set. Simple way to support flushing the cache by sending a pre-defined query name of any type. If successful, the response will be empty. The query will not be forwarded upstream by the cache.
- `cache-prefetch-trigger`- If a query is received for a record with less that `cache-prefetch-trigger` TTL left, the cache will send another, independent query to upstream with the goal of automatically refreshing the record in the cache with the response.
- `cache-prefetch-eligible` - Only records with at least `prefetch-eligible` seconds TTL are eligible to be prefetched.
#### Examples
@@ -334,7 +336,7 @@ resolvers = ["cloudflare-dot"]
cache-flush-query = "flush.cache."
```
Example config files: [cache.toml](../cmd/routedns/example-config/cache.toml), [block-split-cache.toml](../cmd/routedns/example-config/block-split-cache.toml), [cache-flush.toml](../cmd/routedns/example-config/cache-flush.toml)
Example config files: [cache.toml](../cmd/routedns/example-config/cache.toml), [block-split-cache.toml](../cmd/routedns/example-config/block-split-cache.toml), [cache-flush.toml](../cmd/routedns/example-config/cache-flush.toml), [cache-with-prefetch.toml](../cmd/routedns/example-config/cache-with-prefetch.toml)
### TTL modifier