Fix e2e unsafe inbound test

e2e/handshakes_test.go

@@ -25,12 +25,11 @@ import (
 
 func BenchmarkHotPath(b *testing.B) {
 	ca, _, caKey, _ := cert_test.NewTestCaCert(cert.Version1, cert.Curve_CURVE25519, time.Now(), time.Now().Add(10*time.Minute), nil, nil, []string{})
-	myControl, myVpnIpNet, myUdpAddr, _ := newSimpleServer(cert.Version1, ca, caKey, "me", "10.128.0.1/24", nil)
+	myControl, myVpnIpNet, _, _ := newSimpleServer(cert.Version1, ca, caKey, "me", "10.128.0.1/24", nil)
 	theirControl, theirVpnIpNet, theirUdpAddr, _ := newSimpleServer(cert.Version1, ca, caKey, "them", "10.128.0.2/24", nil)
 
 	// Put their info in our lighthouse
 	myControl.InjectLightHouseAddr(theirVpnIpNet[0].Addr(), theirUdpAddr)
-	theirControl.InjectLightHouseAddr(myVpnIpNet[0].Addr(), myUdpAddr)
 
 	// Start the servers
 	myControl.Start()
@@ -39,9 +38,6 @@ func BenchmarkHotPath(b *testing.B) {
 	r := router.NewR(b, myControl, theirControl)
 	r.CancelFlowLogs()
 
-	assertTunnel(b, myVpnIpNet[0].Addr(), theirVpnIpNet[0].Addr(), myControl, theirControl, r)
-	b.ResetTimer()
-
 	for n := 0; n < b.N; n++ {
 		myControl.InjectTunUDPPacket(theirVpnIpNet[0].Addr(), 80, myVpnIpNet[0].Addr(), 80, []byte("Hi from me"))
 		_ = r.RouteForAllUntilTxTun(theirControl)
@@ -51,39 +47,6 @@ func BenchmarkHotPath(b *testing.B) {
 	theirControl.Stop()
 }
 
-func BenchmarkHotPathRelay(b *testing.B) {
-	ca, _, caKey, _ := cert_test.NewTestCaCert(cert.Version1, cert.Curve_CURVE25519, time.Now(), time.Now().Add(10*time.Minute), nil, nil, []string{})
-	myControl, myVpnIpNet, _, _ := newSimpleServer(cert.Version1, ca, caKey, "me     ", "10.128.0.1/24", m{"relay": m{"use_relays": true}})
-	relayControl, relayVpnIpNet, relayUdpAddr, _ := newSimpleServer(cert.Version1, ca, caKey, "relay  ", "10.128.0.128/24", m{"relay": m{"am_relay": true}})
-	theirControl, theirVpnIpNet, theirUdpAddr, _ := newSimpleServer(cert.Version1, ca, caKey, "them   ", "10.128.0.2/24", m{"relay": m{"use_relays": true}})
-
-	// Teach my how to get to the relay and that their can be reached via the relay
-	myControl.InjectLightHouseAddr(relayVpnIpNet[0].Addr(), relayUdpAddr)
-	myControl.InjectRelays(theirVpnIpNet[0].Addr(), []netip.Addr{relayVpnIpNet[0].Addr()})
-	relayControl.InjectLightHouseAddr(theirVpnIpNet[0].Addr(), theirUdpAddr)
-
-	// Build a router so we don't have to reason who gets which packet
-	r := router.NewR(b, myControl, relayControl, theirControl)
-	r.CancelFlowLogs()
-
-	// Start the servers
-	myControl.Start()
-	relayControl.Start()
-	theirControl.Start()
-
-	assertTunnel(b, theirVpnIpNet[0].Addr(), myVpnIpNet[0].Addr(), theirControl, myControl, r)
-	b.ResetTimer()
-
-	for n := 0; n < b.N; n++ {
-		myControl.InjectTunUDPPacket(theirVpnIpNet[0].Addr(), 80, myVpnIpNet[0].Addr(), 80, []byte("Hi from me"))
-		_ = r.RouteForAllUntilTxTun(theirControl)
-	}
-
-	myControl.Stop()
-	theirControl.Stop()
-	relayControl.Stop()
-}
-
 func TestGoodHandshake(t *testing.T) {
 	ca, _, caKey, _ := cert_test.NewTestCaCert(cert.Version1, cert.Curve_CURVE25519, time.Now(), time.Now().Add(10*time.Minute), nil, nil, []string{})
 	myControl, myVpnIpNet, myUdpAddr, _ := newSimpleServer(cert.Version1, ca, caKey, "me", "10.128.0.1/24", nil)
@@ -1378,6 +1341,13 @@ func TestGoodHandshakeUnsafeDest(t *testing.T) {
 		"tun": m{
 			"unsafe_routes": []m{route},
 		},
+		"firewall": m{
+			"unsafe_outbound": []m{{
+				"port":  "any",
+				"proto": "any",
+				"host":  "any",
+			}},
+		},
 	}
 	myControl, myVpnIpNet, myUdpAddr, myConfig := newSimpleServer(cert.Version2, ca, caKey, "me", "10.128.0.1/24", myCfg)
 	t.Logf("my config %v", myConfig)

e2e/helpers_test.go

@@ -85,8 +85,9 @@ func newSimpleServerWithUdpAndUnsafeNetworks(v cert.Version, caCrt cert.Certific
 	}}
 
 	var unsafeNetworks []netip.Prefix
+	var firewallUnsafeInbound []m
 	if sUnsafeNetworks != "" {
-		firewallInbound = []m{{
+		firewallUnsafeInbound = []m{{
 			"proto":      "any",
 			"port":       "any",
 			"host":       "any",
@@ -123,6 +124,7 @@ func newSimpleServerWithUdpAndUnsafeNetworks(v cert.Version, caCrt cert.Certific
 				"host":  "any",
 			}},
 			"inbound":        firewallInbound,
+			"unsafe_inbound": firewallUnsafeInbound,
 		},
 		//"handshakes": m{
 		//	"try_interval": "1s",
@@ -292,7 +294,7 @@ func deadline(t *testing.T, seconds time.Duration) doneCb {
 	}
 }
 
-func assertTunnel(t testing.TB, vpnIpA, vpnIpB netip.Addr, controlA, controlB *nebula.Control, r *router.R) {
+func assertTunnel(t *testing.T, vpnIpA, vpnIpB netip.Addr, controlA, controlB *nebula.Control, r *router.R) {
 	// Send a packet from them to me
 	controlB.InjectTunUDPPacket(vpnIpA, 80, vpnIpB, 90, []byte("Hi from B"))
 	bPacket := r.RouteForAllUntilTxTun(controlA)
@@ -304,7 +306,7 @@ func assertTunnel(t testing.TB, vpnIpA, vpnIpB netip.Addr, controlA, controlB *n
 	assertUdpPacket(t, []byte("Hello from A"), aPacket, vpnIpA, vpnIpB, 90, 80)
 }
 
-func assertHostInfoPair(t testing.TB, addrA, addrB netip.AddrPort, vpnNetsA, vpnNetsB []netip.Prefix, controlA, controlB *nebula.Control) {
+func assertHostInfoPair(t *testing.T, addrA, addrB netip.AddrPort, vpnNetsA, vpnNetsB []netip.Prefix, controlA, controlB *nebula.Control) {
 	// Get both host infos
 	//TODO: CERT-V2 we may want to loop over each vpnAddr and assert all the things
 	hBinA := controlA.GetHostInfoByVpnAddr(vpnNetsB[0].Addr(), false)
@@ -325,7 +327,7 @@ func assertHostInfoPair(t testing.TB, addrA, addrB netip.AddrPort, vpnNetsA, vpn
 	assert.Equal(t, hBinA.RemoteIndex, hAinB.LocalIndex, "Host B remote index does not match host A local index")
 }
 
-func assertUdpPacket(t testing.TB, expected, b []byte, fromIp, toIp netip.Addr, fromPort, toPort uint16) {
+func assertUdpPacket(t *testing.T, expected, b []byte, fromIp, toIp netip.Addr, fromPort, toPort uint16) {
 	if toIp.Is6() {
 		assertUdpPacket6(t, expected, b, fromIp, toIp, fromPort, toPort)
 	} else {
@@ -333,7 +335,7 @@ func assertUdpPacket(t testing.TB, expected, b []byte, fromIp, toIp netip.Addr,
 	}
 }
 
-func assertUdpPacket6(t testing.TB, expected, b []byte, fromIp, toIp netip.Addr, fromPort, toPort uint16) {
+func assertUdpPacket6(t *testing.T, expected, b []byte, fromIp, toIp netip.Addr, fromPort, toPort uint16) {
 	packet := gopacket.NewPacket(b, layers.LayerTypeIPv6, gopacket.Lazy)
 	v6 := packet.Layer(layers.LayerTypeIPv6).(*layers.IPv6)
 	assert.NotNil(t, v6, "No ipv6 data found")
@@ -352,7 +354,7 @@ func assertUdpPacket6(t testing.TB, expected, b []byte, fromIp, toIp netip.Addr,
 	assert.Equal(t, expected, data.Payload(), "Data was incorrect")
 }
 
-func assertUdpPacket4(t testing.TB, expected, b []byte, fromIp, toIp netip.Addr, fromPort, toPort uint16) {
+func assertUdpPacket4(t *testing.T, expected, b []byte, fromIp, toIp netip.Addr, fromPort, toPort uint16) {
 	packet := gopacket.NewPacket(b, layers.LayerTypeIPv4, gopacket.Lazy)
 	v4 := packet.Layer(layers.LayerTypeIPv4).(*layers.IPv4)
 	assert.NotNil(t, v4, "No ipv4 data found")

firewall.go

@@ -23,16 +23,15 @@ import (
 )
 
 type FirewallInterface interface {
-	AddRule(incoming bool, proto uint8, startPort int32, endPort int32, groups []string, host string, cidr, localCidr string, caName string, caSha string) error
+	AddRule(unsafe, incoming bool, proto uint8, startPort int32, endPort int32, groups []string, host string, cidr, localCidr string, caName string, caSha string) error
 }
 
 type conn struct {
 	Expires time.Time // Time when this conntrack entry will expire
 
-	// record why the original connection passed the firewall, so we can re-validate
-	// after ruleset changes. Note, rulesVersion is a uint16 so that these two
-	// fields pack for free after the uint32 above
+	// record why the original connection passed the firewall, so we can re-validate after ruleset changes.
 	incoming     bool
+	unsafe       bool
 	rulesVersion uint16
 }
 
@@ -42,6 +41,8 @@ type Firewall struct {
 
 	InRules        *FirewallTable
 	OutRules       *FirewallTable
+	UnsafeInRules  *FirewallTable
+	UnsafeOutRules *FirewallTable
 
 	InSendReject  bool
 	OutSendReject bool
@@ -54,7 +55,7 @@ type Firewall struct {
 
 	// routableNetworks describes the vpn addresses as well as any unsafe networks issued to us in the certificate.
 	// The vpn addresses are a full bit match while the unsafe networks only match the prefix
-	routableNetworks *bart.Lite
+	routableNetworks *bart.Table[NetworkType]
 
 	// assignedNetworks is a list of vpn networks assigned to us in the certificate.
 	assignedNetworks  []netip.Prefix
@@ -149,17 +150,16 @@ func NewFirewall(l *logrus.Logger, tcpTimeout, UDPTimeout, defaultTimeout time.D
 		tmax = defaultTimeout
 	}
 
-	routableNetworks := new(bart.Lite)
+	routableNetworks := new(bart.Table[NetworkType])
 	var assignedNetworks []netip.Prefix
 	for _, network := range c.Networks() {
-		nprefix := netip.PrefixFrom(network.Addr(), network.Addr().BitLen())
-		routableNetworks.Insert(nprefix)
+		routableNetworks.Insert(netip.PrefixFrom(network.Addr(), network.Addr().BitLen()), NetworkTypeVPN)
 		assignedNetworks = append(assignedNetworks, network)
 	}
 
 	hasUnsafeNetworks := false
 	for _, n := range c.UnsafeNetworks() {
-		routableNetworks.Insert(n)
+		routableNetworks.Insert(n, NetworkTypeUnsafe)
 		hasUnsafeNetworks = true
 	}
 
@@ -170,6 +170,8 @@ func NewFirewall(l *logrus.Logger, tcpTimeout, UDPTimeout, defaultTimeout time.D
 		},
 		InRules:           newFirewallTable(),
 		OutRules:          newFirewallTable(),
+		UnsafeInRules:     newFirewallTable(),
+		UnsafeOutRules:    newFirewallTable(),
 		TCPTimeout:        tcpTimeout,
 		UDPTimeout:        UDPTimeout,
 		DefaultTimeout:    defaultTimeout,
@@ -212,6 +214,7 @@ func NewFirewallFromConfig(l *logrus.Logger, cs *CertState, c *config.C) (*Firew
 
 	fw.defaultLocalCIDRAny = c.GetBool("firewall.default_local_cidr_any", false)
 
+	//TODO: do we also need firewall.unsafe_inbound_action and firewall.unsafe_outbound_action?
 	inboundAction := c.GetString("firewall.inbound_action", "drop")
 	switch inboundAction {
 	case "reject":
@@ -234,12 +237,26 @@ func NewFirewallFromConfig(l *logrus.Logger, cs *CertState, c *config.C) (*Firew
 		fw.OutSendReject = false
 	}
 
-	err := AddFirewallRulesFromConfig(l, false, c, fw)
+	// outbound rules
+	err := AddFirewallRulesFromConfig(l, false, false, c, fw)
 	if err != nil {
 		return nil, err
 	}
 
-	err = AddFirewallRulesFromConfig(l, true, c, fw)
+	// unsafe outbound rules
+	err = AddFirewallRulesFromConfig(l, true, false, c, fw)
+	if err != nil {
+		return nil, err
+	}
+
+	// inbound rules
+	err = AddFirewallRulesFromConfig(l, false, true, c, fw)
+	if err != nil {
+		return nil, err
+	}
+
+	// unsafe inbound rules
+	err = AddFirewallRulesFromConfig(l, true, true, c, fw)
 	if err != nil {
 		return nil, err
 	}
@@ -248,11 +265,11 @@ func NewFirewallFromConfig(l *logrus.Logger, cs *CertState, c *config.C) (*Firew
 }
 
 // AddRule properly creates the in memory rule structure for a firewall table.
-func (f *Firewall) AddRule(incoming bool, proto uint8, startPort int32, endPort int32, groups []string, host string, cidr, localCidr, caName string, caSha string) error {
+func (f *Firewall) AddRule(unsafe, incoming bool, proto uint8, startPort int32, endPort int32, groups []string, host string, cidr, localCidr, caName string, caSha string) error {
 	// We need this rule string because we generate a hash. Removing this will break firewall reload.
 	ruleString := fmt.Sprintf(
-		"incoming: %v, proto: %v, startPort: %v, endPort: %v, groups: %v, host: %v, ip: %v, localIp: %v, caName: %v, caSha: %s",
-		incoming, proto, startPort, endPort, groups, host, cidr, localCidr, caName, caSha,
+		"unsafe: %v, incoming: %v, proto: %v, startPort: %v, endPort: %v, groups: %v, host: %v, ip: %v, localIp: %v, caName: %v, caSha: %s",
+		unsafe, incoming, proto, startPort, endPort, groups, host, cidr, localCidr, caName, caSha,
 	)
 	f.rules += ruleString + "\n"
 
@@ -260,8 +277,12 @@ func (f *Firewall) AddRule(incoming bool, proto uint8, startPort int32, endPort
 	if !incoming {
 		direction = "outgoing"
 	}
-	f.l.WithField("firewallRule", m{"direction": direction, "proto": proto, "startPort": startPort, "endPort": endPort, "groups": groups, "host": host, "cidr": cidr, "localCidr": localCidr, "caName": caName, "caSha": caSha}).
-		Info("Firewall rule added")
+
+	fields := m{"direction": direction, "proto": proto, "startPort": startPort, "endPort": endPort, "groups": groups, "host": host, "cidr": cidr, "localCidr": localCidr, "caName": caName, "caSha": caSha}
+	if unsafe {
+		fields["unsafe"] = true
+	}
+	f.l.WithField("firewallRule", fields).Info("Firewall rule added")
 
 	var (
 		ft *FirewallTable
@@ -269,10 +290,19 @@ func (f *Firewall) AddRule(incoming bool, proto uint8, startPort int32, endPort
 	)
 
 	if incoming {
+		if unsafe {
+			ft = f.UnsafeInRules
+		} else {
 			ft = f.InRules
+		}
+
+	} else {
+		if unsafe {
+			ft = f.UnsafeOutRules
 		} else {
 			ft = f.OutRules
 		}
+	}
 
 	switch proto {
 	case firewall.ProtoTCP:
@@ -308,13 +338,22 @@ func (f *Firewall) GetRuleHashes() string {
 	return "SHA:" + f.GetRuleHash() + ",FNV:" + strconv.FormatUint(uint64(f.GetRuleHashFNV()), 10)
 }
 
-func AddFirewallRulesFromConfig(l *logrus.Logger, inbound bool, c *config.C, fw FirewallInterface) error {
+func AddFirewallRulesFromConfig(l *logrus.Logger, unsafe, inbound bool, c *config.C, fw FirewallInterface) error {
 	var table string
 	if inbound {
+		if unsafe {
+			table = "firewall.unsafe_inbound"
+		} else {
 			table = "firewall.inbound"
+		}
+
+	} else {
+		if unsafe {
+			table = "firewall.unsafe_outbound"
 		} else {
 			table = "firewall.outbound"
 		}
+	}
 
 	r := c.Get(table)
 	if r == nil {
@@ -386,7 +425,7 @@ func AddFirewallRulesFromConfig(l *logrus.Logger, inbound bool, c *config.C, fw
 			l.Warnf("%s rule #%v; %s", table, i, warning)
 		}
 
-		err = fw.AddRule(inbound, proto, startPort, endPort, r.Groups, r.Host, r.Cidr, r.LocalCidr, r.CAName, r.CASha)
+		err = fw.AddRule(unsafe, inbound, proto, startPort, endPort, r.Groups, r.Host, r.Cidr, r.LocalCidr, r.CAName, r.CASha)
 		if err != nil {
 			return fmt.Errorf("%s rule #%v; `%s`", table, i, err)
 		}
@@ -409,6 +448,9 @@ func (f *Firewall) Drop(fp firewall.Packet, incoming bool, h *HostInfo, caPool *
 		return nil
 	}
 
+	var remoteNetworkType NetworkType
+	var ok bool
+
 	// Make sure remote address matches nebula certificate, and determine how to treat it
 	if h.networks == nil {
 		// Simple case: Certificate has one address and no unsafe networks
@@ -416,13 +458,14 @@ func (f *Firewall) Drop(fp firewall.Packet, incoming bool, h *HostInfo, caPool *
 			f.metrics(incoming).droppedRemoteAddr.Inc(1)
 			return ErrInvalidRemoteIP
 		}
+		remoteNetworkType = NetworkTypeVPN
 	} else {
-		nwType, ok := h.networks.Lookup(fp.RemoteAddr)
+		remoteNetworkType, ok = h.networks.Lookup(fp.RemoteAddr)
 		if !ok {
 			f.metrics(incoming).droppedRemoteAddr.Inc(1)
 			return ErrInvalidRemoteIP
 		}
-		switch nwType {
+		switch remoteNetworkType {
 		case NetworkTypeVPN:
 			break // nothing special
 		case NetworkTypeVPNPeer:
@@ -437,15 +480,28 @@ func (f *Firewall) Drop(fp firewall.Packet, incoming bool, h *HostInfo, caPool *
 	}
 
 	// Make sure we are supposed to be handling this local ip address
-	if !f.routableNetworks.Contains(fp.LocalAddr) {
+	localNetworkType, ok := f.routableNetworks.Lookup(fp.LocalAddr)
+	if !ok {
 		f.metrics(incoming).droppedLocalAddr.Inc(1)
 		return ErrInvalidLocalIP
 	}
 
-	table := f.OutRules
+	useUnsafe := remoteNetworkType == NetworkTypeUnsafe || localNetworkType == NetworkTypeUnsafe
+
+	var table *FirewallTable
 	if incoming {
+		if useUnsafe {
+			table = f.UnsafeInRules
+		} else {
 			table = f.InRules
 		}
+	} else {
+		if useUnsafe {
+			table = f.UnsafeOutRules
+		} else {
+			table = f.OutRules
+		}
+	}
 
 	// We now know which firewall table to check against
 	if !table.match(fp, incoming, h.ConnectionState.peerCert, caPool) {
@@ -454,12 +510,13 @@ func (f *Firewall) Drop(fp firewall.Packet, incoming bool, h *HostInfo, caPool *
 	}
 
 	// We always want to conntrack since it is a faster operation
-	f.addConn(fp, incoming)
+	f.addConn(fp, useUnsafe, incoming)
 
 	return nil
 }
 
 func (f *Firewall) metrics(incoming bool) firewallMetrics {
+	//TODO: need unsafe metrics too
 	if incoming {
 		return f.incomingMetrics
 	} else {
@@ -499,7 +556,6 @@ func (f *Firewall) inConns(fp firewall.Packet, h *HostInfo, caPool *cert.CAPool,
 	}
 
 	c, ok := conntrack.Conns[fp]
-
 	if !ok {
 		conntrack.Unlock()
 		return false
@@ -508,10 +564,20 @@ func (f *Firewall) inConns(fp firewall.Packet, h *HostInfo, caPool *cert.CAPool,
 	if c.rulesVersion != f.rulesVersion {
 		// This conntrack entry was for an older rule set, validate
 		// it still passes with the current rule set
-		table := f.OutRules
+		var table *FirewallTable
 		if c.incoming {
+			if c.unsafe {
+				table = f.UnsafeInRules
+			} else {
 				table = f.InRules
 			}
+		} else {
+			if c.unsafe {
+				table = f.UnsafeOutRules
+			} else {
+				table = f.OutRules
+			}
+		}
 
 		// We now know which firewall table to check against
 		if !table.match(fp, c.incoming, h.ConnectionState.peerCert, caPool) {
@@ -519,6 +585,7 @@ func (f *Firewall) inConns(fp firewall.Packet, h *HostInfo, caPool *cert.CAPool,
 				h.logger(f.l).
 					WithField("fwPacket", fp).
 					WithField("incoming", c.incoming).
+					WithField("unsafe", c.unsafe).
 					WithField("rulesVersion", f.rulesVersion).
 					WithField("oldRulesVersion", c.rulesVersion).
 					Debugln("dropping old conntrack entry, does not match new ruleset")
@@ -532,6 +599,7 @@ func (f *Firewall) inConns(fp firewall.Packet, h *HostInfo, caPool *cert.CAPool,
 			h.logger(f.l).
 				WithField("fwPacket", fp).
 				WithField("incoming", c.incoming).
+				WithField("unsafe", c.unsafe).
 				WithField("rulesVersion", f.rulesVersion).
 				WithField("oldRulesVersion", c.rulesVersion).
 				Debugln("keeping old conntrack entry, does match new ruleset")
@@ -558,7 +626,7 @@ func (f *Firewall) inConns(fp firewall.Packet, h *HostInfo, caPool *cert.CAPool,
 	return true
 }
 
-func (f *Firewall) addConn(fp firewall.Packet, incoming bool) {
+func (f *Firewall) addConn(fp firewall.Packet, unsafe, incoming bool) {
 	var timeout time.Duration
 	c := &conn{}
 
@@ -581,6 +649,7 @@ func (f *Firewall) addConn(fp firewall.Packet, incoming bool) {
 	// Record which rulesVersion allowed this connection, so we can retest after
 	// firewall reload
 	c.incoming = incoming
+	c.unsafe = unsafe
 	c.rulesVersion = f.rulesVersion
 	c.Expires = time.Now().Add(timeout)
 	conntrack.Conns[fp] = c
@@ -937,6 +1006,7 @@ func convertRule(l *logrus.Logger, p any, table string, i int) (rule, error) {
 	r.Code = toString("code", m)
 	r.Proto = toString("proto", m)
 	r.Host = toString("host", m)
+	//TODO: create an alias to remote_cidr and deprecate cidr?
 	r.Cidr = toString("cidr", m)
 	r.LocalCidr = toString("local_cidr", m)
 	r.CAName = toString("ca_name", m)

firewall_test.go

@@ -73,65 +73,65 @@ func TestFirewall_AddRule(t *testing.T) {
 	ti6, err := netip.ParsePrefix("fd12::34/128")
 	require.NoError(t, err)
 
-	require.NoError(t, fw.AddRule(true, firewall.ProtoTCP, 1, 1, []string{}, "", "", "", "", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoTCP, 1, 1, []string{}, "", "", "", "", ""))
 	// An empty rule is any
 	assert.True(t, fw.InRules.TCP[1].Any.Any.Any)
 	assert.Empty(t, fw.InRules.TCP[1].Any.Groups)
 	assert.Empty(t, fw.InRules.TCP[1].Any.Hosts)
 
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, c)
-	require.NoError(t, fw.AddRule(true, firewall.ProtoUDP, 1, 1, []string{"g1"}, "", "", "", "", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoUDP, 1, 1, []string{"g1"}, "", "", "", "", ""))
 	assert.Nil(t, fw.InRules.UDP[1].Any.Any)
 	assert.Contains(t, fw.InRules.UDP[1].Any.Groups[0].Groups, "g1")
 	assert.Empty(t, fw.InRules.UDP[1].Any.Hosts)
 
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, c)
-	require.NoError(t, fw.AddRule(true, firewall.ProtoICMP, 1, 1, []string{}, "h1", "", "", "", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoICMP, 1, 1, []string{}, "h1", "", "", "", ""))
 	assert.Nil(t, fw.InRules.ICMP[1].Any.Any)
 	assert.Empty(t, fw.InRules.ICMP[1].Any.Groups)
 	assert.Contains(t, fw.InRules.ICMP[1].Any.Hosts, "h1")
 
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, c)
-	require.NoError(t, fw.AddRule(false, firewall.ProtoAny, 1, 1, []string{}, "", ti.String(), "", "", ""))
+	require.NoError(t, fw.AddRule(false, false, firewall.ProtoAny, 1, 1, []string{}, "", ti.String(), "", "", ""))
 	assert.Nil(t, fw.OutRules.AnyProto[1].Any.Any)
 	_, ok := fw.OutRules.AnyProto[1].Any.CIDR.Get(ti)
 	assert.True(t, ok)
 
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, c)
-	require.NoError(t, fw.AddRule(false, firewall.ProtoAny, 1, 1, []string{}, "", ti6.String(), "", "", ""))
+	require.NoError(t, fw.AddRule(false, false, firewall.ProtoAny, 1, 1, []string{}, "", ti6.String(), "", "", ""))
 	assert.Nil(t, fw.OutRules.AnyProto[1].Any.Any)
 	_, ok = fw.OutRules.AnyProto[1].Any.CIDR.Get(ti6)
 	assert.True(t, ok)
 
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, c)
-	require.NoError(t, fw.AddRule(false, firewall.ProtoAny, 1, 1, []string{}, "", "", ti.String(), "", ""))
+	require.NoError(t, fw.AddRule(false, false, firewall.ProtoAny, 1, 1, []string{}, "", "", ti.String(), "", ""))
 	assert.NotNil(t, fw.OutRules.AnyProto[1].Any.Any)
 	ok = fw.OutRules.AnyProto[1].Any.Any.LocalCIDR.Get(ti)
 	assert.True(t, ok)
 
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, c)
-	require.NoError(t, fw.AddRule(false, firewall.ProtoAny, 1, 1, []string{}, "", "", ti6.String(), "", ""))
+	require.NoError(t, fw.AddRule(false, false, firewall.ProtoAny, 1, 1, []string{}, "", "", ti6.String(), "", ""))
 	assert.NotNil(t, fw.OutRules.AnyProto[1].Any.Any)
 	ok = fw.OutRules.AnyProto[1].Any.Any.LocalCIDR.Get(ti6)
 	assert.True(t, ok)
 
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, c)
-	require.NoError(t, fw.AddRule(true, firewall.ProtoUDP, 1, 1, []string{"g1"}, "", "", "", "ca-name", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoUDP, 1, 1, []string{"g1"}, "", "", "", "ca-name", ""))
 	assert.Contains(t, fw.InRules.UDP[1].CANames, "ca-name")
 
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, c)
-	require.NoError(t, fw.AddRule(true, firewall.ProtoUDP, 1, 1, []string{"g1"}, "", "", "", "", "ca-sha"))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoUDP, 1, 1, []string{"g1"}, "", "", "", "", "ca-sha"))
 	assert.Contains(t, fw.InRules.UDP[1].CAShas, "ca-sha")
 
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, c)
-	require.NoError(t, fw.AddRule(false, firewall.ProtoAny, 0, 0, []string{}, "any", "", "", "", ""))
+	require.NoError(t, fw.AddRule(false, false, firewall.ProtoAny, 0, 0, []string{}, "any", "", "", "", ""))
 	assert.True(t, fw.OutRules.AnyProto[0].Any.Any.Any)
 
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, c)
 	anyIp, err := netip.ParsePrefix("0.0.0.0/0")
 	require.NoError(t, err)
 
-	require.NoError(t, fw.AddRule(false, firewall.ProtoAny, 0, 0, []string{}, "", anyIp.String(), "", "", ""))
+	require.NoError(t, fw.AddRule(false, false, firewall.ProtoAny, 0, 0, []string{}, "", anyIp.String(), "", "", ""))
 	assert.Nil(t, fw.OutRules.AnyProto[0].Any.Any)
 	table, ok := fw.OutRules.AnyProto[0].Any.CIDR.Lookup(netip.MustParseAddr("1.1.1.1"))
 	assert.True(t, table.Any)
@@ -142,7 +142,7 @@ func TestFirewall_AddRule(t *testing.T) {
 	anyIp6, err := netip.ParsePrefix("::/0")
 	require.NoError(t, err)
 
-	require.NoError(t, fw.AddRule(false, firewall.ProtoAny, 0, 0, []string{}, "", anyIp6.String(), "", "", ""))
+	require.NoError(t, fw.AddRule(false, false, firewall.ProtoAny, 0, 0, []string{}, "", anyIp6.String(), "", "", ""))
 	assert.Nil(t, fw.OutRules.AnyProto[0].Any.Any)
 	table, ok = fw.OutRules.AnyProto[0].Any.CIDR.Lookup(netip.MustParseAddr("9::9"))
 	assert.True(t, table.Any)
@@ -150,29 +150,29 @@ func TestFirewall_AddRule(t *testing.T) {
 	assert.False(t, ok)
 
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, c)
-	require.NoError(t, fw.AddRule(false, firewall.ProtoAny, 0, 0, []string{}, "", "any", "", "", ""))
+	require.NoError(t, fw.AddRule(false, false, firewall.ProtoAny, 0, 0, []string{}, "", "any", "", "", ""))
 	assert.True(t, fw.OutRules.AnyProto[0].Any.Any.Any)
 
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, c)
-	require.NoError(t, fw.AddRule(false, firewall.ProtoAny, 0, 0, []string{}, "", "", anyIp.String(), "", ""))
+	require.NoError(t, fw.AddRule(false, false, firewall.ProtoAny, 0, 0, []string{}, "", "", anyIp.String(), "", ""))
 	assert.False(t, fw.OutRules.AnyProto[0].Any.Any.Any)
 	assert.True(t, fw.OutRules.AnyProto[0].Any.Any.LocalCIDR.Lookup(netip.MustParseAddr("1.1.1.1")))
 	assert.False(t, fw.OutRules.AnyProto[0].Any.Any.LocalCIDR.Lookup(netip.MustParseAddr("9::9")))
 
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, c)
-	require.NoError(t, fw.AddRule(false, firewall.ProtoAny, 0, 0, []string{}, "", "", anyIp6.String(), "", ""))
+	require.NoError(t, fw.AddRule(false, false, firewall.ProtoAny, 0, 0, []string{}, "", "", anyIp6.String(), "", ""))
 	assert.False(t, fw.OutRules.AnyProto[0].Any.Any.Any)
 	assert.True(t, fw.OutRules.AnyProto[0].Any.Any.LocalCIDR.Lookup(netip.MustParseAddr("9::9")))
 	assert.False(t, fw.OutRules.AnyProto[0].Any.Any.LocalCIDR.Lookup(netip.MustParseAddr("1.1.1.1")))
 
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, c)
-	require.NoError(t, fw.AddRule(false, firewall.ProtoAny, 0, 0, []string{}, "", "", "any", "", ""))
+	require.NoError(t, fw.AddRule(false, false, firewall.ProtoAny, 0, 0, []string{}, "", "", "any", "", ""))
 	assert.True(t, fw.OutRules.AnyProto[0].Any.Any.Any)
 
 	// Test error conditions
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, c)
-	require.Error(t, fw.AddRule(true, math.MaxUint8, 0, 0, []string{}, "", "", "", "", ""))
-	require.Error(t, fw.AddRule(true, firewall.ProtoAny, 10, 0, []string{}, "", "", "", "", ""))
+	require.Error(t, fw.AddRule(false, true, math.MaxUint8, 0, 0, []string{}, "", "", "", "", ""))
+	require.Error(t, fw.AddRule(false, true, firewall.ProtoAny, 10, 0, []string{}, "", "", "", "", ""))
 }
 
 func TestFirewall_Drop(t *testing.T) {
@@ -208,7 +208,7 @@ func TestFirewall_Drop(t *testing.T) {
 	h.buildNetworks(myVpnNetworksTable, &c)
 
 	fw := NewFirewall(l, time.Second, time.Minute, time.Hour, &c)
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 0, 0, []string{"any"}, "", "", "", "", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 0, 0, []string{"any"}, "", "", "", "", ""))
 	cp := cert.NewCAPool()
 
 	// Drop outbound
@@ -227,28 +227,28 @@ func TestFirewall_Drop(t *testing.T) {
 
 	// ensure signer doesn't get in the way of group checks
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, &c)
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 0, 0, []string{"nope"}, "", "", "", "", "signer-shasum"))
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 0, 0, []string{"default-group"}, "", "", "", "", "signer-shasum-bad"))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 0, 0, []string{"nope"}, "", "", "", "", "signer-shasum"))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 0, 0, []string{"default-group"}, "", "", "", "", "signer-shasum-bad"))
 	assert.Equal(t, fw.Drop(p, true, &h, cp, nil), ErrNoMatchingRule)
 
 	// test caSha doesn't drop on match
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, &c)
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 0, 0, []string{"nope"}, "", "", "", "", "signer-shasum-bad"))
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 0, 0, []string{"default-group"}, "", "", "", "", "signer-shasum"))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 0, 0, []string{"nope"}, "", "", "", "", "signer-shasum-bad"))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 0, 0, []string{"default-group"}, "", "", "", "", "signer-shasum"))
 	require.NoError(t, fw.Drop(p, true, &h, cp, nil))
 
 	// ensure ca name doesn't get in the way of group checks
 	cp.CAs["signer-shasum"] = &cert.CachedCertificate{Certificate: &dummyCert{name: "ca-good"}}
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, &c)
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 0, 0, []string{"nope"}, "", "", "", "ca-good", ""))
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 0, 0, []string{"default-group"}, "", "", "", "ca-good-bad", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 0, 0, []string{"nope"}, "", "", "", "ca-good", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 0, 0, []string{"default-group"}, "", "", "", "ca-good-bad", ""))
 	assert.Equal(t, fw.Drop(p, true, &h, cp, nil), ErrNoMatchingRule)
 
 	// test caName doesn't drop on match
 	cp.CAs["signer-shasum"] = &cert.CachedCertificate{Certificate: &dummyCert{name: "ca-good"}}
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, &c)
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 0, 0, []string{"nope"}, "", "", "", "ca-good-bad", ""))
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 0, 0, []string{"default-group"}, "", "", "", "ca-good", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 0, 0, []string{"nope"}, "", "", "", "ca-good-bad", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 0, 0, []string{"default-group"}, "", "", "", "ca-good", ""))
 	require.NoError(t, fw.Drop(p, true, &h, cp, nil))
 }
 
@@ -287,7 +287,7 @@ func TestFirewall_DropV6(t *testing.T) {
 	h.buildNetworks(myVpnNetworksTable, &c)
 
 	fw := NewFirewall(l, time.Second, time.Minute, time.Hour, &c)
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 0, 0, []string{"any"}, "", "", "", "", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 0, 0, []string{"any"}, "", "", "", "", ""))
 	cp := cert.NewCAPool()
 
 	// Drop outbound
@@ -306,28 +306,28 @@ func TestFirewall_DropV6(t *testing.T) {
 
 	// ensure signer doesn't get in the way of group checks
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, &c)
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 0, 0, []string{"nope"}, "", "", "", "", "signer-shasum"))
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 0, 0, []string{"default-group"}, "", "", "", "", "signer-shasum-bad"))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 0, 0, []string{"nope"}, "", "", "", "", "signer-shasum"))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 0, 0, []string{"default-group"}, "", "", "", "", "signer-shasum-bad"))
 	assert.Equal(t, fw.Drop(p, true, &h, cp, nil), ErrNoMatchingRule)
 
 	// test caSha doesn't drop on match
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, &c)
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 0, 0, []string{"nope"}, "", "", "", "", "signer-shasum-bad"))
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 0, 0, []string{"default-group"}, "", "", "", "", "signer-shasum"))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 0, 0, []string{"nope"}, "", "", "", "", "signer-shasum-bad"))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 0, 0, []string{"default-group"}, "", "", "", "", "signer-shasum"))
 	require.NoError(t, fw.Drop(p, true, &h, cp, nil))
 
 	// ensure ca name doesn't get in the way of group checks
 	cp.CAs["signer-shasum"] = &cert.CachedCertificate{Certificate: &dummyCert{name: "ca-good"}}
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, &c)
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 0, 0, []string{"nope"}, "", "", "", "ca-good", ""))
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 0, 0, []string{"default-group"}, "", "", "", "ca-good-bad", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 0, 0, []string{"nope"}, "", "", "", "ca-good", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 0, 0, []string{"default-group"}, "", "", "", "ca-good-bad", ""))
 	assert.Equal(t, fw.Drop(p, true, &h, cp, nil), ErrNoMatchingRule)
 
 	// test caName doesn't drop on match
 	cp.CAs["signer-shasum"] = &cert.CachedCertificate{Certificate: &dummyCert{name: "ca-good"}}
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, &c)
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 0, 0, []string{"nope"}, "", "", "", "ca-good-bad", ""))
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 0, 0, []string{"default-group"}, "", "", "", "ca-good", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 0, 0, []string{"nope"}, "", "", "", "ca-good-bad", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 0, 0, []string{"default-group"}, "", "", "", "ca-good", ""))
 	require.NoError(t, fw.Drop(p, true, &h, cp, nil))
 }
 
@@ -532,7 +532,7 @@ func TestFirewall_Drop2(t *testing.T) {
 	h1.buildNetworks(myVpnNetworksTable, c1.Certificate)
 
 	fw := NewFirewall(l, time.Second, time.Minute, time.Hour, c.Certificate)
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 0, 0, []string{"default-group", "test-group"}, "", "", "", "", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 0, 0, []string{"default-group", "test-group"}, "", "", "", "", ""))
 	cp := cert.NewCAPool()
 
 	// h1/c1 lacks the proper groups
@@ -612,8 +612,8 @@ func TestFirewall_Drop3(t *testing.T) {
 	h3.buildNetworks(myVpnNetworksTable, c3.Certificate)
 
 	fw := NewFirewall(l, time.Second, time.Minute, time.Hour, c.Certificate)
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 1, 1, []string{}, "host1", "", "", "", ""))
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 1, 1, []string{}, "", "", "", "", "signer-sha"))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 1, 1, []string{}, "host1", "", "", "", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 1, 1, []string{}, "", "", "", "", "signer-sha"))
 	cp := cert.NewCAPool()
 
 	// c1 should pass because host match
@@ -627,7 +627,7 @@ func TestFirewall_Drop3(t *testing.T) {
 
 	// Test a remote address match
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, c.Certificate)
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 1, 1, []string{}, "", "1.2.3.4/24", "", "", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 1, 1, []string{}, "", "1.2.3.4/24", "", "", ""))
 	require.NoError(t, fw.Drop(p, true, &h1, cp, nil))
 }
 
@@ -665,7 +665,7 @@ func TestFirewall_Drop3V6(t *testing.T) {
 	// Test a remote address match
 	fw := NewFirewall(l, time.Second, time.Minute, time.Hour, c.Certificate)
 	cp := cert.NewCAPool()
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 1, 1, []string{}, "", "fd12::34/120", "", "", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 1, 1, []string{}, "", "fd12::34/120", "", "", ""))
 	require.NoError(t, fw.Drop(p, true, &h, cp, nil))
 }
 
@@ -704,7 +704,7 @@ func TestFirewall_DropConntrackReload(t *testing.T) {
 	h.buildNetworks(myVpnNetworksTable, c.Certificate)
 
 	fw := NewFirewall(l, time.Second, time.Minute, time.Hour, c.Certificate)
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 0, 0, []string{"any"}, "", "", "", "", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 0, 0, []string{"any"}, "", "", "", "", ""))
 	cp := cert.NewCAPool()
 
 	// Drop outbound
@@ -717,7 +717,7 @@ func TestFirewall_DropConntrackReload(t *testing.T) {
 
 	oldFw := fw
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, c.Certificate)
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 10, 10, []string{"any"}, "", "", "", "", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 10, 10, []string{"any"}, "", "", "", "", ""))
 	fw.Conntrack = oldFw.Conntrack
 	fw.rulesVersion = oldFw.rulesVersion + 1
 
@@ -726,7 +726,7 @@ func TestFirewall_DropConntrackReload(t *testing.T) {
 
 	oldFw = fw
 	fw = NewFirewall(l, time.Second, time.Minute, time.Hour, c.Certificate)
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 11, 11, []string{"any"}, "", "", "", "", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 11, 11, []string{"any"}, "", "", "", "", ""))
 	fw.Conntrack = oldFw.Conntrack
 	fw.rulesVersion = oldFw.rulesVersion + 1
 
@@ -765,7 +765,7 @@ func TestFirewall_DropIPSpoofing(t *testing.T) {
 
 	fw := NewFirewall(l, time.Second, time.Minute, time.Hour, c.Certificate)
 
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 1, 1, []string{}, "", "", "", "", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 1, 1, []string{}, "", "", "", "", ""))
 	cp := cert.NewCAPool()
 
 	// Packet spoofed by `c1`. Note that the remote addr is not a valid one.
@@ -958,28 +958,28 @@ func TestAddFirewallRulesFromConfig(t *testing.T) {
 	conf := config.NewC(l)
 	mf := &mockFirewall{}
 	conf.Settings["firewall"] = map[string]any{"outbound": []any{map[string]any{"port": "1", "proto": "tcp", "host": "a"}}}
-	require.NoError(t, AddFirewallRulesFromConfig(l, false, conf, mf))
+	require.NoError(t, AddFirewallRulesFromConfig(l, false, false, conf, mf))
 	assert.Equal(t, addRuleCall{incoming: false, proto: firewall.ProtoTCP, startPort: 1, endPort: 1, groups: nil, host: "a", ip: "", localIp: ""}, mf.lastCall)
 
 	// Test adding udp rule
 	conf = config.NewC(l)
 	mf = &mockFirewall{}
 	conf.Settings["firewall"] = map[string]any{"outbound": []any{map[string]any{"port": "1", "proto": "udp", "host": "a"}}}
-	require.NoError(t, AddFirewallRulesFromConfig(l, false, conf, mf))
+	require.NoError(t, AddFirewallRulesFromConfig(l, false, false, conf, mf))
 	assert.Equal(t, addRuleCall{incoming: false, proto: firewall.ProtoUDP, startPort: 1, endPort: 1, groups: nil, host: "a", ip: "", localIp: ""}, mf.lastCall)
 
 	// Test adding icmp rule
 	conf = config.NewC(l)
 	mf = &mockFirewall{}
 	conf.Settings["firewall"] = map[string]any{"outbound": []any{map[string]any{"port": "1", "proto": "icmp", "host": "a"}}}
-	require.NoError(t, AddFirewallRulesFromConfig(l, false, conf, mf))
+	require.NoError(t, AddFirewallRulesFromConfig(l, false, false, conf, mf))
 	assert.Equal(t, addRuleCall{incoming: false, proto: firewall.ProtoICMP, startPort: 1, endPort: 1, groups: nil, host: "a", ip: "", localIp: ""}, mf.lastCall)
 
 	// Test adding any rule
 	conf = config.NewC(l)
 	mf = &mockFirewall{}
 	conf.Settings["firewall"] = map[string]any{"inbound": []any{map[string]any{"port": "1", "proto": "any", "host": "a"}}}
-	require.NoError(t, AddFirewallRulesFromConfig(l, true, conf, mf))
+	require.NoError(t, AddFirewallRulesFromConfig(l, false, true, conf, mf))
 	assert.Equal(t, addRuleCall{incoming: true, proto: firewall.ProtoAny, startPort: 1, endPort: 1, groups: nil, host: "a", ip: "", localIp: ""}, mf.lastCall)
 
 	// Test adding rule with cidr
@@ -987,14 +987,14 @@ func TestAddFirewallRulesFromConfig(t *testing.T) {
 	conf = config.NewC(l)
 	mf = &mockFirewall{}
 	conf.Settings["firewall"] = map[string]any{"inbound": []any{map[string]any{"port": "1", "proto": "any", "cidr": cidr.String()}}}
-	require.NoError(t, AddFirewallRulesFromConfig(l, true, conf, mf))
+	require.NoError(t, AddFirewallRulesFromConfig(l, false, true, conf, mf))
 	assert.Equal(t, addRuleCall{incoming: true, proto: firewall.ProtoAny, startPort: 1, endPort: 1, groups: nil, ip: cidr.String(), localIp: ""}, mf.lastCall)
 
 	// Test adding rule with local_cidr
 	conf = config.NewC(l)
 	mf = &mockFirewall{}
 	conf.Settings["firewall"] = map[string]any{"inbound": []any{map[string]any{"port": "1", "proto": "any", "local_cidr": cidr.String()}}}
-	require.NoError(t, AddFirewallRulesFromConfig(l, true, conf, mf))
+	require.NoError(t, AddFirewallRulesFromConfig(l, false, true, conf, mf))
 	assert.Equal(t, addRuleCall{incoming: true, proto: firewall.ProtoAny, startPort: 1, endPort: 1, groups: nil, ip: "", localIp: cidr.String()}, mf.lastCall)
 
 	// Test adding rule with cidr ipv6
@@ -1002,75 +1002,75 @@ func TestAddFirewallRulesFromConfig(t *testing.T) {
 	conf = config.NewC(l)
 	mf = &mockFirewall{}
 	conf.Settings["firewall"] = map[string]any{"inbound": []any{map[string]any{"port": "1", "proto": "any", "cidr": cidr6.String()}}}
-	require.NoError(t, AddFirewallRulesFromConfig(l, true, conf, mf))
+	require.NoError(t, AddFirewallRulesFromConfig(l, false, true, conf, mf))
 	assert.Equal(t, addRuleCall{incoming: true, proto: firewall.ProtoAny, startPort: 1, endPort: 1, groups: nil, ip: cidr6.String(), localIp: ""}, mf.lastCall)
 
 	// Test adding rule with any cidr
 	conf = config.NewC(l)
 	mf = &mockFirewall{}
 	conf.Settings["firewall"] = map[string]any{"inbound": []any{map[string]any{"port": "1", "proto": "any", "cidr": "any"}}}
-	require.NoError(t, AddFirewallRulesFromConfig(l, true, conf, mf))
+	require.NoError(t, AddFirewallRulesFromConfig(l, false, true, conf, mf))
 	assert.Equal(t, addRuleCall{incoming: true, proto: firewall.ProtoAny, startPort: 1, endPort: 1, groups: nil, ip: "any", localIp: ""}, mf.lastCall)
 
 	// Test adding rule with junk cidr
 	conf = config.NewC(l)
 	mf = &mockFirewall{}
 	conf.Settings["firewall"] = map[string]any{"inbound": []any{map[string]any{"port": "1", "proto": "any", "cidr": "junk/junk"}}}
-	require.EqualError(t, AddFirewallRulesFromConfig(l, true, conf, mf), "firewall.inbound rule #0; cidr did not parse; netip.ParsePrefix(\"junk/junk\"): ParseAddr(\"junk\"): unable to parse IP")
+	require.EqualError(t, AddFirewallRulesFromConfig(l, false, true, conf, mf), "firewall.inbound rule #0; cidr did not parse; netip.ParsePrefix(\"junk/junk\"): ParseAddr(\"junk\"): unable to parse IP")
 
 	// Test adding rule with local_cidr ipv6
 	conf = config.NewC(l)
 	mf = &mockFirewall{}
 	conf.Settings["firewall"] = map[string]any{"inbound": []any{map[string]any{"port": "1", "proto": "any", "local_cidr": cidr6.String()}}}
-	require.NoError(t, AddFirewallRulesFromConfig(l, true, conf, mf))
+	require.NoError(t, AddFirewallRulesFromConfig(l, false, true, conf, mf))
 	assert.Equal(t, addRuleCall{incoming: true, proto: firewall.ProtoAny, startPort: 1, endPort: 1, groups: nil, ip: "", localIp: cidr6.String()}, mf.lastCall)
 
 	// Test adding rule with any local_cidr
 	conf = config.NewC(l)
 	mf = &mockFirewall{}
 	conf.Settings["firewall"] = map[string]any{"inbound": []any{map[string]any{"port": "1", "proto": "any", "local_cidr": "any"}}}
-	require.NoError(t, AddFirewallRulesFromConfig(l, true, conf, mf))
+	require.NoError(t, AddFirewallRulesFromConfig(l, false, true, conf, mf))
 	assert.Equal(t, addRuleCall{incoming: true, proto: firewall.ProtoAny, startPort: 1, endPort: 1, groups: nil, localIp: "any"}, mf.lastCall)
 
 	// Test adding rule with junk local_cidr
 	conf = config.NewC(l)
 	mf = &mockFirewall{}
 	conf.Settings["firewall"] = map[string]any{"inbound": []any{map[string]any{"port": "1", "proto": "any", "local_cidr": "junk/junk"}}}
-	require.EqualError(t, AddFirewallRulesFromConfig(l, true, conf, mf), "firewall.inbound rule #0; local_cidr did not parse; netip.ParsePrefix(\"junk/junk\"): ParseAddr(\"junk\"): unable to parse IP")
+	require.EqualError(t, AddFirewallRulesFromConfig(l, false, true, conf, mf), "firewall.inbound rule #0; local_cidr did not parse; netip.ParsePrefix(\"junk/junk\"): ParseAddr(\"junk\"): unable to parse IP")
 
 	// Test adding rule with ca_sha
 	conf = config.NewC(l)
 	mf = &mockFirewall{}
 	conf.Settings["firewall"] = map[string]any{"inbound": []any{map[string]any{"port": "1", "proto": "any", "ca_sha": "12312313123"}}}
-	require.NoError(t, AddFirewallRulesFromConfig(l, true, conf, mf))
+	require.NoError(t, AddFirewallRulesFromConfig(l, false, true, conf, mf))
 	assert.Equal(t, addRuleCall{incoming: true, proto: firewall.ProtoAny, startPort: 1, endPort: 1, groups: nil, ip: "", localIp: "", caSha: "12312313123"}, mf.lastCall)
 
 	// Test adding rule with ca_name
 	conf = config.NewC(l)
 	mf = &mockFirewall{}
 	conf.Settings["firewall"] = map[string]any{"inbound": []any{map[string]any{"port": "1", "proto": "any", "ca_name": "root01"}}}
-	require.NoError(t, AddFirewallRulesFromConfig(l, true, conf, mf))
+	require.NoError(t, AddFirewallRulesFromConfig(l, false, true, conf, mf))
 	assert.Equal(t, addRuleCall{incoming: true, proto: firewall.ProtoAny, startPort: 1, endPort: 1, groups: nil, ip: "", localIp: "", caName: "root01"}, mf.lastCall)
 
 	// Test single group
 	conf = config.NewC(l)
 	mf = &mockFirewall{}
 	conf.Settings["firewall"] = map[string]any{"inbound": []any{map[string]any{"port": "1", "proto": "any", "group": "a"}}}
-	require.NoError(t, AddFirewallRulesFromConfig(l, true, conf, mf))
+	require.NoError(t, AddFirewallRulesFromConfig(l, false, true, conf, mf))
 	assert.Equal(t, addRuleCall{incoming: true, proto: firewall.ProtoAny, startPort: 1, endPort: 1, groups: []string{"a"}, ip: "", localIp: ""}, mf.lastCall)
 
 	// Test single groups
 	conf = config.NewC(l)
 	mf = &mockFirewall{}
 	conf.Settings["firewall"] = map[string]any{"inbound": []any{map[string]any{"port": "1", "proto": "any", "groups": "a"}}}
-	require.NoError(t, AddFirewallRulesFromConfig(l, true, conf, mf))
+	require.NoError(t, AddFirewallRulesFromConfig(l, false, true, conf, mf))
 	assert.Equal(t, addRuleCall{incoming: true, proto: firewall.ProtoAny, startPort: 1, endPort: 1, groups: []string{"a"}, ip: "", localIp: ""}, mf.lastCall)
 
 	// Test multiple AND groups
 	conf = config.NewC(l)
 	mf = &mockFirewall{}
 	conf.Settings["firewall"] = map[string]any{"inbound": []any{map[string]any{"port": "1", "proto": "any", "groups": []string{"a", "b"}}}}
-	require.NoError(t, AddFirewallRulesFromConfig(l, true, conf, mf))
+	require.NoError(t, AddFirewallRulesFromConfig(l, false, true, conf, mf))
 	assert.Equal(t, addRuleCall{incoming: true, proto: firewall.ProtoAny, startPort: 1, endPort: 1, groups: []string{"a", "b"}, ip: "", localIp: ""}, mf.lastCall)
 
 	// Test Add error
@@ -1078,7 +1078,7 @@ func TestAddFirewallRulesFromConfig(t *testing.T) {
 	mf = &mockFirewall{}
 	mf.nextCallReturn = errors.New("test error")
 	conf.Settings["firewall"] = map[string]any{"inbound": []any{map[string]any{"port": "1", "proto": "any", "host": "a"}}}
-	require.EqualError(t, AddFirewallRulesFromConfig(l, true, conf, mf), "firewall.inbound rule #0; `test error`")
+	require.EqualError(t, AddFirewallRulesFromConfig(l, false, true, conf, mf), "firewall.inbound rule #0; `test error`")
 }
 
 func TestFirewall_convertRule(t *testing.T) {
@@ -1251,7 +1251,7 @@ func newSetupFromCert(t *testing.T, l *logrus.Logger, c dummyCert) testsetup {
 		myVpnNetworksTable.Insert(prefix)
 	}
 	fw := NewFirewall(l, time.Second, time.Minute, time.Hour, &c)
-	require.NoError(t, fw.AddRule(true, firewall.ProtoAny, 0, 0, []string{"any"}, "", "", "", "", ""))
+	require.NoError(t, fw.AddRule(false, true, firewall.ProtoAny, 0, 0, []string{"any"}, "", "", "", "", ""))
 
 	return testsetup{
 		c:                  c,
@@ -1332,13 +1332,14 @@ func TestFirewall_Drop_EnforceIPMatch(t *testing.T) {
 		tc.p.LocalAddr = netip.MustParseAddr("192.168.0.3")
 		tc.err = ErrNoMatchingRule
 		tc.Test(t, unsafeSetup.fw) //should hit firewall and bounce off
-		require.NoError(t, unsafeSetup.fw.AddRule(true, firewall.ProtoAny, 0, 0, []string{"any"}, "", "", unsafePrefix.String(), "", ""))
+		require.NoError(t, unsafeSetup.fw.AddRule(true, true, firewall.ProtoAny, 0, 0, []string{"any"}, "", "", unsafePrefix.String(), "", ""))
 		tc.err = nil
 		tc.Test(t, unsafeSetup.fw) //should pass
 	})
 }
 
 type addRuleCall struct {
+	unsafe    bool
 	incoming  bool
 	proto     uint8
 	startPort int32
@@ -1356,8 +1357,9 @@ type mockFirewall struct {
 	nextCallReturn error
 }
 
-func (mf *mockFirewall) AddRule(incoming bool, proto uint8, startPort int32, endPort int32, groups []string, host string, ip, localIp, caName string, caSha string) error {
+func (mf *mockFirewall) AddRule(unsafe, incoming bool, proto uint8, startPort int32, endPort int32, groups []string, host string, ip, localIp, caName string, caSha string) error {
 	mf.lastCall = addRuleCall{
+		unsafe:    unsafe,
 		incoming:  incoming,
 		proto:     proto,
 		startPort: startPort,