no DNS by default

add.go

@@ -60,7 +60,9 @@ func PrintPeerCfg(peer PeerConfig, conf *DsnetConfig) {
 	const peerConf = `[Interface]
 Address = {{ .Peer.IP }}
 PrivateKey={{ .Peer.PrivateKey.Key }}
+{{- if .DsnetConfig.DNS }}
 DNS = {{ .DsnetConfig.DNS }}
+{{ end }}
 
 [Peer]
 PublicKey={{ .DsnetConfig.PrivateKey.PublicKey.Key }}

configtypes.go

@@ -40,7 +40,7 @@ type DsnetConfig struct {
 	// Network is chosen randomly when not specified
 	Network JSONIPNet `validate:"required"`
 	IP      net.IP    `validate:"required"`
-	DNS     net.IP    `validate:"required"`
+	DNS     net.IP
 	// extra networks available, will be added to AllowedIPs
 	Networks []JSONIPNet `validate:"required"`
 	// TODO Default subnets to route via VPN

init.go

@@ -32,7 +32,8 @@ func Init() {
 
 	IP := conf.MustAllocateIP()
 	conf.IP = IP
-	conf.DNS = IP
+	// DNS not set by default
+	//conf.DNS = IP
 
 	conf.MustSave()