add a control channel to flush names from the cache, so health probes reach the upstream - #3

add a control channel to flush names from the cache, so health probes reach the upstream#3

MelvinTo merged 4 commits into

firewalla:2.1.18firewalla/dnscrypt-proxy:2.1.18from

caixingcheng:feature/10517-cache-flush-controlcaixingcheng/dnscrypt-proxy:feature/10517-cache-flush-controlCopy head branch name to clipboard