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-rw-r--r--plugin/cache/README.md4
-rw-r--r--plugin/cache/cache.go4
2 files changed, 4 insertions, 4 deletions
diff --git a/plugin/cache/README.md b/plugin/cache/README.md
index de0e5da4b..fcff72c58 100644
--- a/plugin/cache/README.md
+++ b/plugin/cache/README.md
@@ -40,10 +40,10 @@ cache [TTL] [ZONES...] {
* **TTL** and **ZONES** as above.
* `success`, override the settings for caching successful responses. **CAPACITY** indicates the maximum
number of packets we cache before we start evicting (*randomly*). **TTL** overrides the cache maximum TTL.
- **MINTTL** overrides the cache minimum TTL (default 0), which can be useful to limit queries to the backend.
+ **MINTTL** overrides the cache minimum TTL (default 5), which can be useful to limit queries to the backend.
* `denial`, override the settings for caching denial of existence responses. **CAPACITY** indicates the maximum
number of packets we cache before we start evicting (LRU). **TTL** overrides the cache maximum TTL.
- **MINTTL** overrides the cache minimum TTL (default 0), which can be useful to limit queries to the backend.
+ **MINTTL** overrides the cache minimum TTL (default 5), which can be useful to limit queries to the backend.
There is a third category (`error`) but those responses are never cached.
* `prefetch` will prefetch popular items when they are about to be expunged from the cache.
Popular means **AMOUNT** queries have been seen with no gaps of **DURATION** or more between them.
diff --git a/plugin/cache/cache.go b/plugin/cache/cache.go
index 4b6cb4101..9ff43dac2 100644
--- a/plugin/cache/cache.go
+++ b/plugin/cache/cache.go
@@ -239,9 +239,9 @@ func (w *ResponseWriter) Write(buf []byte) (int, error) {
const (
maxTTL = dnsutil.MaximumDefaulTTL
- minTTL = 0
+ minTTL = dnsutil.MinimalDefaultTTL
maxNTTL = dnsutil.MaximumDefaulTTL / 2
- minNTTL = 0
+ minNTTL = dnsutil.MinimalDefaultTTL
defaultCap = 10000 // default capacity of the cache.