diff --git a/config/example_config.toml b/config/example_config.toml
index 1c584eb15..f9d1f05a0 100644
--- a/config/example_config.toml
+++ b/config/example_config.toml
@@ -168,6 +168,7 @@
   #   'trace', 'debug', 'info', 'warn', and 'error'.
   [logger.levels]
     _consensus = 'warn'
+    _firewall = 'warn'
     _grpc = 'info'
     _http = 'info'
     _jsonrpc = 'info'
diff --git a/sync/firewall/firewall.go b/sync/firewall/firewall.go
index 278fdbf55..ce67715f6 100644
--- a/sync/firewall/firewall.go
+++ b/sync/firewall/firewall.go
@@ -32,7 +32,6 @@ type Firewall struct {
 }
 
 func NewFirewall(conf *Config, network network.Network, peerSet *peerset.PeerSet, state state.Facade,
-	log *logger.SubLogger,
 ) (*Firewall, error) {
 	blocker, err := ipblocker.New(conf.BannedNets)
 	if err != nil {
@@ -52,7 +51,7 @@ func NewFirewall(conf *Config, network network.Network, peerSet *peerset.PeerSet
 		blockRateLimit:       blockRateLimit,
 		transactionRateLimit: transactionRateLimit,
 		consensusRateLimit:   consensusRateLimit,
-		logger:               log,
+		logger:               logger.NewSubLogger("_firewall", nil),
 	}, nil
 }
 
diff --git a/sync/firewall/firewall_test.go b/sync/firewall/firewall_test.go
index 57998996b..7b0b0b437 100644
--- a/sync/firewall/firewall_test.go
+++ b/sync/firewall/firewall_test.go
@@ -14,7 +14,6 @@ import (
 	"github.com/pactus-project/pactus/sync/peerset/peer"
 	"github.com/pactus-project/pactus/sync/peerset/peer/status"
 	"github.com/pactus-project/pactus/util"
-	"github.com/pactus-project/pactus/util/logger"
 	"github.com/pactus-project/pactus/util/testsuite"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
@@ -36,7 +35,6 @@ func setup(t *testing.T, conf *Config) *testData {
 
 	ts := testsuite.NewTestSuite(t)
 
-	subLogger := logger.NewSubLogger("firewall", nil)
 	peerSet := peerset.NewPeerSet(1 * time.Minute)
 	state := state.MockingState(ts)
 	net := network.MockingNetwork(ts, ts.RandPeerID())
@@ -45,7 +43,7 @@ func setup(t *testing.T, conf *Config) *testData {
 		conf = DefaultConfig()
 	}
 	require.NoError(t, conf.BasicCheck())
-	firewall, err := NewFirewall(conf, net, peerSet, state, subLogger)
+	firewall, err := NewFirewall(conf, net, peerSet, state)
 	if err != nil {
 		return nil
 	}
diff --git a/sync/sync.go b/sync/sync.go
index 58360c2b5..2c824f2f2 100644
--- a/sync/sync.go
+++ b/sync/sync.go
@@ -74,7 +74,7 @@ func NewSynchronizer(
 
 	sync.peerSet = peerset.NewPeerSet(conf.SessionTimeout())
 	sync.logger = logger.NewSubLogger("_sync", sync)
-	fw, err := firewall.NewFirewall(conf.Firewall, network, sync.peerSet, state, sync.logger)
+	fw, err := firewall.NewFirewall(conf.Firewall, network, sync.peerSet, state)
 	if err != nil {
 		return nil, err
 	}
diff --git a/tests/main_test.go b/tests/main_test.go
index b5cd10744..4a5aa586a 100644
--- a/tests/main_test.go
+++ b/tests/main_test.go
@@ -85,6 +85,7 @@ func TestMain(m *testing.M) {
 		tConfigs[i].Logger.Levels["_consensus"] = "info"
 		tConfigs[i].Logger.Levels["_network"] = "info"
 		tConfigs[i].Logger.Levels["_pool"] = "info"
+		tConfigs[i].Logger.Levels["_firewall"] = "info"
 		tConfigs[i].Sync.Firewall.BannedNets = make([]string, 0)
 		tConfigs[i].Sync.BlockPerSession = 10
 		tConfigs[i].Network.EnableMdns = true
diff --git a/util/logger/config.go b/util/logger/config.go
index 6f63a30bc..0d5a47c31 100644
--- a/util/logger/config.go
+++ b/util/logger/config.go
@@ -29,6 +29,7 @@ func DefaultConfig() *Config {
 	conf.Levels["_grpc"] = "info"
 	conf.Levels["_nonomsg"] = "info"
 	conf.Levels["_jsonrpc"] = "info"
+	conf.Levels["_firewall"] = "warn"
 
 	return conf
 }
diff --git a/util/logger/logger.go b/util/logger/logger.go
index 03fd0b5a1..48cc1e07d 100644
--- a/util/logger/logger.go
+++ b/util/logger/logger.go
@@ -54,6 +54,7 @@ func getLoggersInst() *logger {
 		conf.Levels["_pool"] = "debug"
 		conf.Levels["_http"] = "debug"
 		conf.Levels["_grpc"] = "debug"
+		conf.Levels["_firewall"] = "debug"
 		globalInst = &logger{
 			config: conf,
 			subs:   make(map[string]*SubLogger),