diff --git a/transformers/latency.go b/transformers/latency.go
index 926a6e68..3ca1e4bc 100644
--- a/transformers/latency.go
+++ b/transformers/latency.go
@@ -27,6 +27,10 @@ func NewMapQueries(ttl time.Duration, channels []chan dnsutils.DnsMessage) MapQu
 	}
 }
 
+func (mp *MapQueries) SetTtl(ttl time.Duration) {
+	mp.ttl = ttl
+}
+
 func (mp *MapQueries) Exists(key uint64) (ok bool) {
 	mp.RLock()
 	defer mp.RUnlock()
@@ -69,6 +73,10 @@ func NewHashQueries(ttl time.Duration) HashQueries {
 	}
 }
 
+func (mp *HashQueries) SetTtl(ttl time.Duration) {
+	mp.ttl = ttl
+}
+
 func (mp *HashQueries) Get(key uint64) (value int64, ok bool) {
 	mp.RLock()
 	defer mp.RUnlock()
@@ -124,6 +132,13 @@ func NewLatencySubprocessor(config *dnsutils.ConfigTransformers, logger *logger.
 	return &s
 }
 
+func (s *LatencyProcessor) ReloadConfig(config *dnsutils.ConfigTransformers) {
+	s.config = config
+
+	s.hashQueries.SetTtl(time.Duration(config.Latency.QueriesTimeout) * time.Second)
+	s.mapQueries.SetTtl(time.Duration(config.Latency.QueriesTimeout) * time.Second)
+}
+
 func (s *LatencyProcessor) MeasureLatency(dm *dnsutils.DnsMessage) {
 	queryport, _ := strconv.Atoi(dm.NetworkInfo.QueryPort)
 	if len(dm.NetworkInfo.QueryIp) > 0 && queryport > 0 && !dm.DNS.MalformedPacket {
diff --git a/transformers/subprocessors.go b/transformers/subprocessors.go
index 0f240191..55b435c7 100644
--- a/transformers/subprocessors.go
+++ b/transformers/subprocessors.go
@@ -60,6 +60,9 @@ func (p *Transforms) ReloadConfig(config *dnsutils.ConfigTransformers) {
 	p.NormalizeTransform.ReloadConfig(config)
 	p.GeoipTransform.ReloadConfig(config)
 	p.FilteringTransform.ReloadConfig(config)
+	p.UserPrivacyTransform.ReloadConfig(config)
+	p.LatencyTransform.ReloadConfig(config)
+	p.SuspiciousTransform.ReloadConfig(config)
 
 	p.Prepare()
 }
diff --git a/transformers/subprocessors_test.go b/transformers/subprocessors_test.go
index 688d967d..69bf415f 100644
--- a/transformers/subprocessors_test.go
+++ b/transformers/subprocessors_test.go
@@ -274,6 +274,7 @@ func TestTransformAndFilter(t *testing.T) {
 	config.UserPrivacy.AnonymizeIP = true
 
 	// file contains google.fr, test.github.com
+	config.Filtering.Enable = true
 	config.Filtering.KeepDomainFile = "../testsdata/filtering_keep_domains.txt"
 
 	TEST_URL1 := "mail.google.com"
diff --git a/transformers/suspicious.go b/transformers/suspicious.go
index c22715ef..38482361 100644
--- a/transformers/suspicious.go
+++ b/transformers/suspicious.go
@@ -43,6 +43,15 @@ func NewSuspiciousSubprocessor(config *dnsutils.ConfigTransformers, logger *logg
 }
 
 func (p *SuspiciousTransform) ReadConfig() {
+	// cleanup maps
+	for key := range p.CommonQtypes {
+		delete(p.CommonQtypes, key)
+	}
+	for key := range p.whitelistDomainsRegex {
+		delete(p.whitelistDomainsRegex, key)
+	}
+
+	// load maps
 	for _, v := range p.config.Suspicious.CommonQtypes {
 		p.CommonQtypes[v] = true
 	}
@@ -51,6 +60,12 @@ func (p *SuspiciousTransform) ReadConfig() {
 	}
 }
 
+func (s *SuspiciousTransform) ReloadConfig(config *dnsutils.ConfigTransformers) {
+	s.config = config
+
+	s.ReadConfig()
+}
+
 func (p *SuspiciousTransform) IsEnabled() bool {
 	return p.config.Suspicious.Enable
 }
diff --git a/transformers/userprivacy.go b/transformers/userprivacy.go
index efc4a823..4d0d22ad 100644
--- a/transformers/userprivacy.go
+++ b/transformers/userprivacy.go
@@ -43,6 +43,10 @@ func NewUserPrivacySubprocessor(config *dnsutils.ConfigTransformers, logger *log
 	return s
 }
 
+func (s *UserPrivacyProcessor) ReloadConfig(config *dnsutils.ConfigTransformers) {
+	s.config = config
+}
+
 func (s *UserPrivacyProcessor) MinimazeQname(qname string) string {
 	if etpo, err := publicsuffix.EffectiveTLDPlusOne(qname); err == nil {
 		return etpo