[Unit] Description=DNSCrypt-proxy socket Documentation=https://github.com/DNSCrypt/dnscrypt-proxy/wiki [Socket] ## Listen on TCP socket. ListenStream=127.0.0.1:53 ## Listen on UDP socket. ListenDatagram=127.0.0.1:53 ## Below options are valid only for TCP socket. ## Applying them to UDP socket will result in warnings: ## TCP_NODELAY failed: Protocol not available ## TCP_DEFER_ACCEPT failed: Protocol not available ## Those can be safely ignored. NoDelay=true DeferAcceptSec=1 [Install] WantedBy=sockets.target