plugin/timeouts - Allow ability to configure listening server timeouts (#5784)

core/dnsserver/config.go

@@ -5,6 +5,7 @@ import (
 	"crypto/tls"
 	"fmt"
 	"net/http"
+	"time"
 
 	"github.com/coredns/caddy"
 	"github.com/coredns/coredns/plugin"
@@ -53,6 +54,11 @@ type Config struct {
 	// TLSConfig when listening for encrypted connections (gRPC, DNS-over-TLS).
 	TLSConfig *tls.Config
 
+	// Timeouts for TCP, TLS and HTTPS servers.
+	ReadTimeout  time.Duration
+	WriteTimeout time.Duration
+	IdleTimeout  time.Duration
+
 	// TSIG secrets, [name]key.
 	TsigSecret map[string]string