diff --git a/proto/server/clientEvtHandler.go b/proto/server/clientEvtHandler.go
index 462c7cdf..112ad369 100644
--- a/proto/server/clientEvtHandler.go
+++ b/proto/server/clientEvtHandler.go
@@ -372,7 +372,7 @@ func fillSlice(client *clientNF, sliceName string, sliceConf *configmodels.Slice
 			endp = "any"
 		}
 		if ruleConfig.Protocol == int32(protos.PccFlowTos_TCP.Number()) {
-			if ruleConfig.StartPort != 0 && ruleConfig.EndPort != 0 {
+			if ruleConfig.StartPort == 0 && ruleConfig.EndPort == 0 {
 				desc = "permit out tcp from " + endp + " to assigned"
 			} else if factory.WebUIConfig.Configuration.SdfComp {
 				desc = "permit out tcp from " + endp + " " + strconv.FormatInt(int64(ruleConfig.StartPort), 10) + "-" + strconv.FormatInt(int64(ruleConfig.EndPort), 10) + " to assigned"
@@ -380,7 +380,7 @@ func fillSlice(client *clientNF, sliceName string, sliceConf *configmodels.Slice
 				desc = "permit out tcp from " + endp + " to assigned " + strconv.FormatInt(int64(ruleConfig.StartPort), 10) + "-" + strconv.FormatInt(int64(ruleConfig.EndPort), 10)
 			}
 		} else if ruleConfig.Protocol == int32(protos.PccFlowTos_UDP.Number()) {
-			if ruleConfig.StartPort != 0 && ruleConfig.EndPort != 0 {
+			if ruleConfig.StartPort == 0 && ruleConfig.EndPort == 0 {
 				desc = "permit out udp from " + endp + " to assigned"
 			} else if factory.WebUIConfig.Configuration.SdfComp {
 				desc = "permit out udp from " + endp + " " + strconv.FormatInt(int64(ruleConfig.StartPort), 10) + "-" + strconv.FormatInt(int64(ruleConfig.EndPort), 10) + " to assigned"
@@ -1127,7 +1127,7 @@ func postConfigPcrf(client *clientNF) {
 				// permit out udp from 8.8.8.8/32 to assigned sport-dport
 				var desc string
 				if app.Protocol == 6 {
-					if app.StartPort != 0 && app.EndPort != 0 {
+					if app.StartPort == 0 && app.EndPort == 0 {
 						desc = "permit out tcp from " + app.Endpoint + " to assigned"
 					} else if factory.WebUIConfig.Configuration.SdfComp {
 						desc = "permit out tcp from " + app.Endpoint + " " + strconv.FormatInt(int64(app.StartPort), 10) + "-" + strconv.FormatInt(int64(app.EndPort), 10) + " to assigned "
@@ -1135,7 +1135,7 @@ func postConfigPcrf(client *clientNF) {
 						desc = "permit out tcp from " + app.Endpoint + " to assigned " + strconv.FormatInt(int64(app.StartPort), 10) + "-" + strconv.FormatInt(int64(app.EndPort), 10)
 					}
 				} else if app.Protocol == 17 {
-					if app.StartPort != 0 && app.EndPort != 0 {
+					if app.StartPort == 0 && app.EndPort == 0 {
 						desc = "permit out udp from " + app.Endpoint + " to assigned"
 					} else if factory.WebUIConfig.Configuration.SdfComp {
 						desc = "permit out udp from " + app.Endpoint + " " + strconv.FormatInt(int64(app.StartPort), 10) + "-" + strconv.FormatInt(int64(app.EndPort), 10) + " to assigned "