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unbound/cache: comment cache-min-ttl=900, add commented 3000

This commit is contained in:
Aminda Suomalainen 2024-04-27 15:42:29 +03:00
parent 30a27f980d
commit a083a9d704
Signed by: Mikaela
SSH Key Fingerprint: SHA256:CXLULpqNBdUKB6E6fLA1b/4SzG0HvKD19PbIePU175Q
1 changed files with 7 additions and 5 deletions
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etc/unbound/unbound.conf.d/cache.conf
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@ -10,11 +10,13 @@ server:
rrset-cache-size: 50m
# nxdomain cache, default 1m
neg-cache-size: 10m
# Cache results for 15 minutes even if they had a shorter TTL. Cloudflare
# zone export used to have 1 second, and I have also been seeing 1
# minute in the wild, I think 5 mins shouldn't break anything, but bigger
# might.
cache-min-ttl: 900
# Increases TTL of all queries to 900 seconds (5 minutes) if upstream has
# a lower one. I have been using this since August 2019 without issues.
#cache-min-ttl: 900
# https://blog.apnic.net/2019/11/12/stop-using-ridiculously-low-dns-ttls/
# dares setting the minimum cache to something between 40 minute and 60,
# so how about 50 minutes? However it predates RFC 8767.
#cache-min-ttl: 3000
# Update cache for popular items before they expire. ~10 % traffic
# increase according to `man unbound.conf`
prefetch: yes