diff --git a/src/tuntap/admin.go b/src/tuntap/admin.go
index 39d7cf5..565fa69 100644
--- a/src/tuntap/admin.go
+++ b/src/tuntap/admin.go
@@ -34,8 +34,8 @@ func (t *TunAdapter) SetupAdminHandlers(a *admin.AdminSocket) {
 		}
 		return res, nil
 	})
-	_ = a.AddHandler("getNodeInfo", []string{"key"}, t.nodeinfo.nodeInfoAdminHandler)
-	_ = a.AddHandler("debugGetSelf", []string{"key"}, t.debug.getSelfHandler)
-	_ = a.AddHandler("debugGetPeers", []string{"key"}, t.debug.getPeersHandler)
-	_ = a.AddHandler("debugGetDHT", []string{"key"}, t.debug.getDHTHandler)
+	_ = a.AddHandler("getNodeInfo", []string{"key"}, t.proto.nodeinfo.nodeInfoAdminHandler)
+	_ = a.AddHandler("debugGetSelf", []string{"key"}, t.proto.getSelfHandler)
+	_ = a.AddHandler("debugGetPeers", []string{"key"}, t.proto.getPeersHandler)
+	_ = a.AddHandler("debugGetDHT", []string{"key"}, t.proto.getDHTHandler)
 }
diff --git a/src/tuntap/iface.go b/src/tuntap/iface.go
index 20720db..81fbe4d 100644
--- a/src/tuntap/iface.go
+++ b/src/tuntap/iface.go
@@ -77,22 +77,12 @@ func (tun *TunAdapter) write() {
 			if !tun.isEnabled {
 				continue // Drop traffic if the tun is disabled
 			}
-		case typeSessionNodeInfoRequest:
-			var key keyArray
-			copy(key[:], from.(iwt.Addr))
-			tun.nodeinfo.handleReq(nil, key)
-			continue
-		case typeSessionNodeInfoResponse:
-			var key keyArray
-			copy(key[:], from.(iwt.Addr))
-			res := append([]byte(nil), bs[1:n]...)
-			tun.nodeinfo.handleRes(nil, key, res)
-			continue
-		case typeSessionDebug:
+		case typeSessionProto:
 			var key keyArray
 			copy(key[:], from.(iwt.Addr))
 			data := append([]byte(nil), bs[1:n]...)
-			tun.debug.handleDebug(nil, key, data)
+			tun.proto.handleProto(nil, key, data)
+			continue
 		default:
 			continue
 		}
diff --git a/src/tuntap/nodeinfo.go b/src/tuntap/nodeinfo.go
index 1c74768..9cc8ade 100644
--- a/src/tuntap/nodeinfo.go
+++ b/src/tuntap/nodeinfo.go
@@ -20,7 +20,7 @@ type NodeInfoPayload []byte
 
 type nodeinfo struct {
 	phony.Inbox
-	tun        *TunAdapter
+	proto      *protoHandler
 	myNodeInfo NodeInfoPayload
 	callbacks  map[keyArray]nodeinfoCallback
 }
@@ -44,14 +44,14 @@ type nodeinfoReqRes struct {
 
 // Initialises the nodeinfo cache/callback maps, and starts a goroutine to keep
 // the cache/callback maps clean of stale entries
-func (m *nodeinfo) init(tun *TunAdapter) {
+func (m *nodeinfo) init(proto *protoHandler) {
 	m.Act(nil, func() {
-		m._init(tun)
+		m._init(proto)
 	})
 }
 
-func (m *nodeinfo) _init(tun *TunAdapter) {
-	m.tun = tun
+func (m *nodeinfo) _init(proto *protoHandler) {
+	m.proto = proto
 	m.callbacks = make(map[keyArray]nodeinfoCallback)
 	m._cleanup()
 }
@@ -154,7 +154,7 @@ func (m *nodeinfo) _sendReq(key keyArray, callback func(nodeinfo NodeInfoPayload
 	if callback != nil {
 		m._addCallback(key, callback)
 	}
-	m.tun.core.WriteTo([]byte{typeSessionNodeInfoRequest}, iwt.Addr(key[:]))
+	m.proto.tun.core.WriteTo([]byte{typeSessionProto, typeProtoNodeInfoRequest}, iwt.Addr(key[:]))
 }
 
 func (m *nodeinfo) handleReq(from phony.Actor, key keyArray) {
@@ -170,8 +170,8 @@ func (m *nodeinfo) handleRes(from phony.Actor, key keyArray, info NodeInfoPayloa
 }
 
 func (m *nodeinfo) _sendRes(key keyArray) {
-	bs := append([]byte{typeSessionNodeInfoResponse}, m._getNodeInfo()...)
-	m.tun.core.WriteTo(bs, iwt.Addr(key[:]))
+	bs := append([]byte{typeSessionProto, typeProtoNodeInfoResponse}, m._getNodeInfo()...)
+	m.proto.tun.core.WriteTo(bs, iwt.Addr(key[:]))
 }
 
 // Admin socket stuff
diff --git a/src/tuntap/debug.go b/src/tuntap/proto.go
similarity index 54%
rename from src/tuntap/debug.go
rename to src/tuntap/proto.go
index 974715a..d4fe72a 100644
--- a/src/tuntap/debug.go
+++ b/src/tuntap/proto.go
@@ -25,173 +25,189 @@ type reqInfo struct {
 	timer    *time.Timer // time.AfterFunc cleanup
 }
 
-type debugHandler struct {
+type protoHandler struct {
 	phony.Inbox
-	tun   *TunAdapter
-	sreqs map[keyArray]*reqInfo
-	preqs map[keyArray]*reqInfo
-	dreqs map[keyArray]*reqInfo
+	tun      *TunAdapter
+	nodeinfo nodeinfo
+	sreqs    map[keyArray]*reqInfo
+	preqs    map[keyArray]*reqInfo
+	dreqs    map[keyArray]*reqInfo
 }
 
-func (d *debugHandler) init(tun *TunAdapter) {
-	d.tun = tun
-	d.sreqs = make(map[keyArray]*reqInfo)
-	d.preqs = make(map[keyArray]*reqInfo)
-	d.dreqs = make(map[keyArray]*reqInfo)
+func (p *protoHandler) init(tun *TunAdapter) {
+	p.tun = tun
+	p.nodeinfo.init(p)
+	p.sreqs = make(map[keyArray]*reqInfo)
+	p.preqs = make(map[keyArray]*reqInfo)
+	p.dreqs = make(map[keyArray]*reqInfo)
 }
 
-func (d *debugHandler) handleDebug(from phony.Actor, key keyArray, bs []byte) {
-	d.Act(from, func() {
-		d._handleDebug(key, bs)
+func (p *protoHandler) handleProto(from phony.Actor, key keyArray, bs []byte) {
+	if len(bs) == 0 {
+		return
+	}
+	switch bs[0] {
+	case typeProtoDummy:
+	case typeProtoNodeInfoRequest:
+		p.nodeinfo.handleReq(p, key)
+	case typeProtoNodeInfoResponse:
+		p.nodeinfo.handleRes(p, key, bs[1:])
+	case typeProtoDebug:
+		p._handleDebug(key, bs[1:])
+	}
+}
+
+func (p *protoHandler) handleDebug(from phony.Actor, key keyArray, bs []byte) {
+	p.Act(from, func() {
+		p._handleDebug(key, bs)
 	})
 }
 
-func (d *debugHandler) _handleDebug(key keyArray, bs []byte) {
+func (p *protoHandler) _handleDebug(key keyArray, bs []byte) {
 	if len(bs) == 0 {
 		return
 	}
 	switch bs[0] {
 	case typeDebugDummy:
 	case typeDebugGetSelfRequest:
-		d._handleGetSelfRequest(key)
+		p._handleGetSelfRequest(key)
 	case typeDebugGetSelfResponse:
-		d._handleGetSelfResponse(key, bs[1:])
+		p._handleGetSelfResponse(key, bs[1:])
 	case typeDebugGetPeersRequest:
-		d._handleGetPeersRequest(key)
+		p._handleGetPeersRequest(key)
 	case typeDebugGetPeersResponse:
-		d._handleGetPeersResponse(key, bs[1:])
+		p._handleGetPeersResponse(key, bs[1:])
 	case typeDebugGetDHTRequest:
-		d._handleGetDHTRequest(key)
+		p._handleGetDHTRequest(key)
 	case typeDebugGetDHTResponse:
-		d._handleGetDHTResponse(key, bs[1:])
-	default:
+		p._handleGetDHTResponse(key, bs[1:])
 	}
 }
 
-func (d *debugHandler) sendGetSelfRequest(key keyArray, callback func([]byte)) {
-	d.Act(nil, func() {
-		if info := d.sreqs[key]; info != nil {
+func (p *protoHandler) sendGetSelfRequest(key keyArray, callback func([]byte)) {
+	p.Act(nil, func() {
+		if info := p.sreqs[key]; info != nil {
 			info.timer.Stop()
-			delete(d.sreqs, key)
+			delete(p.sreqs, key)
 		}
 		info := new(reqInfo)
 		info.callback = callback
 		info.timer = time.AfterFunc(time.Minute, func() {
-			d.Act(nil, func() {
-				if d.sreqs[key] == info {
-					delete(d.sreqs, key)
+			p.Act(nil, func() {
+				if p.sreqs[key] == info {
+					delete(p.sreqs, key)
 				}
 			})
 		})
-		d.sreqs[key] = info
-		d._sendDebug(key, typeDebugGetSelfRequest, nil)
+		p.sreqs[key] = info
+		p._sendDebug(key, typeDebugGetSelfRequest, nil)
 	})
 }
 
-func (d *debugHandler) _handleGetSelfRequest(key keyArray) {
-	self := d.tun.core.GetSelf()
-	bs, err := json.Marshal(self)
+func (p *protoHandler) _handleGetSelfRequest(key keyArray) {
+	self := p.tun.core.GetSelf()
+	bs, err := json.Marshal(self) // FIXME this puts keys in base64, not hex
 	if err != nil {
 		return
 	}
-	d._sendDebug(key, typeDebugGetSelfResponse, bs)
+	p._sendDebug(key, typeDebugGetSelfResponse, bs)
 }
 
-func (d *debugHandler) _handleGetSelfResponse(key keyArray, bs []byte) {
-	if info := d.sreqs[key]; info != nil {
+func (p *protoHandler) _handleGetSelfResponse(key keyArray, bs []byte) {
+	if info := p.sreqs[key]; info != nil {
 		info.timer.Stop()
 		info.callback(bs)
-		delete(d.sreqs, key)
+		delete(p.sreqs, key)
 	}
 }
 
-func (d *debugHandler) sendGetPeersRequest(key keyArray, callback func([]byte)) {
-	d.Act(nil, func() {
-		if info := d.preqs[key]; info != nil {
+func (p *protoHandler) sendGetPeersRequest(key keyArray, callback func([]byte)) {
+	p.Act(nil, func() {
+		if info := p.preqs[key]; info != nil {
 			info.timer.Stop()
-			delete(d.preqs, key)
+			delete(p.preqs, key)
 		}
 		info := new(reqInfo)
 		info.callback = callback
 		info.timer = time.AfterFunc(time.Minute, func() {
-			d.Act(nil, func() {
-				if d.preqs[key] == info {
-					delete(d.preqs, key)
+			p.Act(nil, func() {
+				if p.preqs[key] == info {
+					delete(p.preqs, key)
 				}
 			})
 		})
-		d.preqs[key] = info
-		d._sendDebug(key, typeDebugGetPeersRequest, nil)
+		p.preqs[key] = info
+		p._sendDebug(key, typeDebugGetPeersRequest, nil)
 	})
 }
 
-func (d *debugHandler) _handleGetPeersRequest(key keyArray) {
-	peers := d.tun.core.GetPeers()
+func (p *protoHandler) _handleGetPeersRequest(key keyArray) {
+	peers := p.tun.core.GetPeers()
 	var bs []byte
-	for _, p := range peers {
-		tmp := append(bs, p.Key[:]...)
-		const responseOverhead = 1
-		if uint64(len(tmp))+1 > d.tun.maxSessionMTU() {
+	for _, pinfo := range peers {
+		tmp := append(bs, pinfo.Key[:]...)
+		const responseOverhead = 2 // 1 debug type, 1 getpeers type
+		if uint64(len(tmp))+responseOverhead > p.tun.maxSessionMTU() {
 			break
 		}
 		bs = tmp
 	}
-	d._sendDebug(key, typeDebugGetPeersResponse, bs)
+	p._sendDebug(key, typeDebugGetPeersResponse, bs)
 }
 
-func (d *debugHandler) _handleGetPeersResponse(key keyArray, bs []byte) {
-	if info := d.preqs[key]; info != nil {
+func (p *protoHandler) _handleGetPeersResponse(key keyArray, bs []byte) {
+	if info := p.preqs[key]; info != nil {
 		info.timer.Stop()
 		info.callback(bs)
-		delete(d.preqs, key)
+		delete(p.preqs, key)
 	}
 }
 
-func (d *debugHandler) sendGetDHTRequest(key keyArray, callback func([]byte)) {
-	d.Act(nil, func() {
-		if info := d.dreqs[key]; info != nil {
+func (p *protoHandler) sendGetDHTRequest(key keyArray, callback func([]byte)) {
+	p.Act(nil, func() {
+		if info := p.dreqs[key]; info != nil {
 			info.timer.Stop()
-			delete(d.dreqs, key)
+			delete(p.dreqs, key)
 		}
 		info := new(reqInfo)
 		info.callback = callback
 		info.timer = time.AfterFunc(time.Minute, func() {
-			d.Act(nil, func() {
-				if d.dreqs[key] == info {
-					delete(d.dreqs, key)
+			p.Act(nil, func() {
+				if p.dreqs[key] == info {
+					delete(p.dreqs, key)
 				}
 			})
 		})
-		d.dreqs[key] = info
-		d._sendDebug(key, typeDebugGetDHTRequest, nil)
+		p.dreqs[key] = info
+		p._sendDebug(key, typeDebugGetDHTRequest, nil)
 	})
 }
 
-func (d *debugHandler) _handleGetDHTRequest(key keyArray) {
-	dinfos := d.tun.core.GetDHT()
+func (p *protoHandler) _handleGetDHTRequest(key keyArray) {
+	dinfos := p.tun.core.GetDHT()
 	var bs []byte
 	for _, dinfo := range dinfos {
 		tmp := append(bs, dinfo.Key[:]...)
-		const responseOverhead = 1
-		if uint64(len(tmp))+1 > d.tun.maxSessionMTU() {
+		const responseOverhead = 2 // 1 debug type, 1 getdht type
+		if uint64(len(tmp))+responseOverhead > p.tun.maxSessionMTU() {
 			break
 		}
 		bs = tmp
 	}
-	d._sendDebug(key, typeDebugGetDHTResponse, bs)
+	p._sendDebug(key, typeDebugGetDHTResponse, bs)
 }
 
-func (d *debugHandler) _handleGetDHTResponse(key keyArray, bs []byte) {
-	if info := d.dreqs[key]; info != nil {
+func (p *protoHandler) _handleGetDHTResponse(key keyArray, bs []byte) {
+	if info := p.dreqs[key]; info != nil {
 		info.timer.Stop()
 		info.callback(bs)
-		delete(d.dreqs, key)
+		delete(p.dreqs, key)
 	}
 }
 
-func (d *debugHandler) _sendDebug(key keyArray, dType uint8, data []byte) {
-	bs := append([]byte{typeSessionDebug, dType}, data...)
-	d.tun.core.WriteTo(bs, iwt.Addr(key[:]))
+func (p *protoHandler) _sendDebug(key keyArray, dType uint8, data []byte) {
+	bs := append([]byte{typeSessionProto, typeProtoDebug, dType}, data...)
+	p.tun.core.WriteTo(bs, iwt.Addr(key[:]))
 }
 
 // Admin socket stuff
@@ -202,7 +218,7 @@ type DebugGetSelfRequest struct {
 
 type DebugGetSelfResponse map[string]interface{}
 
-func (d *debugHandler) getSelfHandler(in json.RawMessage) (interface{}, error) {
+func (p *protoHandler) getSelfHandler(in json.RawMessage) (interface{}, error) {
 	var req DebugGetSelfRequest
 	if err := json.Unmarshal(in, &req); err != nil {
 		return nil, err
@@ -215,7 +231,7 @@ func (d *debugHandler) getSelfHandler(in json.RawMessage) (interface{}, error) {
 	}
 	copy(key[:], kbs)
 	ch := make(chan []byte, 1)
-	d.sendGetSelfRequest(key, func(info []byte) {
+	p.sendGetSelfRequest(key, func(info []byte) {
 		ch <- info
 	})
 	timer := time.NewTimer(6 * time.Second)
@@ -239,7 +255,7 @@ type DebugGetPeersRequest struct {
 
 type DebugGetPeersResponse map[string]interface{}
 
-func (d *debugHandler) getPeersHandler(in json.RawMessage) (interface{}, error) {
+func (p *protoHandler) getPeersHandler(in json.RawMessage) (interface{}, error) {
 	var req DebugGetPeersRequest
 	if err := json.Unmarshal(in, &req); err != nil {
 		return nil, err
@@ -252,7 +268,7 @@ func (d *debugHandler) getPeersHandler(in json.RawMessage) (interface{}, error)
 	}
 	copy(key[:], kbs)
 	ch := make(chan []byte, 1)
-	d.sendGetPeersRequest(key, func(info []byte) {
+	p.sendGetPeersRequest(key, func(info []byte) {
 		ch <- info
 	})
 	timer := time.NewTimer(6 * time.Second)
@@ -286,7 +302,7 @@ type DebugGetDHTRequest struct {
 
 type DebugGetDHTResponse map[string]interface{}
 
-func (d *debugHandler) getDHTHandler(in json.RawMessage) (interface{}, error) {
+func (p *protoHandler) getDHTHandler(in json.RawMessage) (interface{}, error) {
 	var req DebugGetDHTRequest
 	if err := json.Unmarshal(in, &req); err != nil {
 		return nil, err
@@ -299,7 +315,7 @@ func (d *debugHandler) getDHTHandler(in json.RawMessage) (interface{}, error) {
 	}
 	copy(key[:], kbs)
 	ch := make(chan []byte, 1)
-	d.sendGetDHTRequest(key, func(info []byte) {
+	p.sendGetDHTRequest(key, func(info []byte) {
 		ch <- info
 	})
 	timer := time.NewTimer(6 * time.Second)
diff --git a/src/tuntap/tun.go b/src/tuntap/tun.go
index 3673671..3df4289 100644
--- a/src/tuntap/tun.go
+++ b/src/tuntap/tun.go
@@ -46,8 +46,7 @@ type TunAdapter struct {
 	isOpen     bool
 	isEnabled  bool // Used by the writer to drop sessionTraffic if not enabled
 	gatekeeper func(pubkey ed25519.PublicKey, initiator bool) bool
-	nodeinfo   nodeinfo
-	debug      debugHandler
+	proto      protoHandler
 }
 
 func (tun *TunAdapter) SetSessionGatekeeper(gatekeeper func(pubkey ed25519.PublicKey, initiator bool) bool) {
@@ -109,12 +108,11 @@ func (tun *TunAdapter) Init(core *yggdrasil.Core, config *config.NodeState, log
 	tun.store.init(tun)
 	tun.config = config
 	tun.log = log
-	tun.nodeinfo.init(tun)
-	tun.nodeinfo.setNodeInfo(config.Current.NodeInfo, config.Current.NodeInfoPrivacy)
+	tun.proto.init(tun)
+	tun.proto.nodeinfo.setNodeInfo(config.Current.NodeInfo, config.Current.NodeInfoPrivacy)
 	if err := tun.core.SetOutOfBandHandler(tun.oobHandler); err != nil {
 		return fmt.Errorf("tun.core.SetOutOfBandHander: %w", err)
 	}
-	tun.debug.init(tun)
 	return nil
 }
 
diff --git a/src/tuntap/types.go b/src/tuntap/types.go
index 102e03f..4d8bba1 100644
--- a/src/tuntap/types.go
+++ b/src/tuntap/types.go
@@ -11,7 +11,13 @@ const (
 const (
 	typeSessionDummy = iota
 	typeSessionTraffic
-	typeSessionNodeInfoRequest
-	typeSessionNodeInfoResponse
-	typeSessionDebug // Debug messages, intended to be removed at some point
+	typeSessionProto
+)
+
+// Protocol packet types
+const (
+	typeProtoDummy = iota
+	typeProtoNodeInfoRequest
+	typeProtoNodeInfoResponse
+	typeProtoDebug = 255
 )