diff --git a/proto-public/pbcatalog/v1alpha1/protocol.pb.go b/proto-public/pbcatalog/v1alpha1/protocol.pb.go
index 71e89aab4aa5a..6e2ba0efb0002 100644
--- a/proto-public/pbcatalog/v1alpha1/protocol.pb.go
+++ b/proto-public/pbcatalog/v1alpha1/protocol.pb.go
@@ -26,30 +26,32 @@ const (
 type Protocol int32
 
 const (
-	// buf:lint:ignore ENUM_ZERO_VALUE_SUFFIX
-	Protocol_PROTOCOL_TCP   Protocol = 0
-	Protocol_PROTOCOL_HTTP  Protocol = 1
-	Protocol_PROTOCOL_HTTP2 Protocol = 2
-	Protocol_PROTOCOL_GRPC  Protocol = 3
+	Protocol_PROTOCOL_UNSPECIFIED Protocol = 0
+	Protocol_PROTOCOL_TCP         Protocol = 1
+	Protocol_PROTOCOL_HTTP        Protocol = 2
+	Protocol_PROTOCOL_HTTP2       Protocol = 3
+	Protocol_PROTOCOL_GRPC        Protocol = 4
 	// Protocol Mesh indicates that this port can speak Consul's mTLS based mesh protocol.
-	Protocol_PROTOCOL_MESH Protocol = 4
+	Protocol_PROTOCOL_MESH Protocol = 5
 )
 
 // Enum value maps for Protocol.
 var (
 	Protocol_name = map[int32]string{
-		0: "PROTOCOL_TCP",
-		1: "PROTOCOL_HTTP",
-		2: "PROTOCOL_HTTP2",
-		3: "PROTOCOL_GRPC",
-		4: "PROTOCOL_MESH",
+		0: "PROTOCOL_UNSPECIFIED",
+		1: "PROTOCOL_TCP",
+		2: "PROTOCOL_HTTP",
+		3: "PROTOCOL_HTTP2",
+		4: "PROTOCOL_GRPC",
+		5: "PROTOCOL_MESH",
 	}
 	Protocol_value = map[string]int32{
-		"PROTOCOL_TCP":   0,
-		"PROTOCOL_HTTP":  1,
-		"PROTOCOL_HTTP2": 2,
-		"PROTOCOL_GRPC":  3,
-		"PROTOCOL_MESH":  4,
+		"PROTOCOL_UNSPECIFIED": 0,
+		"PROTOCOL_TCP":         1,
+		"PROTOCOL_HTTP":        2,
+		"PROTOCOL_HTTP2":       3,
+		"PROTOCOL_GRPC":        4,
+		"PROTOCOL_MESH":        5,
 	}
 )
 
@@ -87,33 +89,35 @@ var file_pbcatalog_v1alpha1_protocol_proto_rawDesc = []byte{
 	0x70, 0x68, 0x61, 0x31, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x2e, 0x70, 0x72,
 	0x6f, 0x74, 0x6f, 0x12, 0x21, 0x68, 0x61, 0x73, 0x68, 0x69, 0x63, 0x6f, 0x72, 0x70, 0x2e, 0x63,
 	0x6f, 0x6e, 0x73, 0x75, 0x6c, 0x2e, 0x63, 0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67, 0x2e, 0x76, 0x31,
-	0x61, 0x6c, 0x70, 0x68, 0x61, 0x31, 0x2a, 0x69, 0x0a, 0x08, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x63,
-	0x6f, 0x6c, 0x12, 0x10, 0x0a, 0x0c, 0x50, 0x52, 0x4f, 0x54, 0x4f, 0x43, 0x4f, 0x4c, 0x5f, 0x54,
-	0x43, 0x50, 0x10, 0x00, 0x12, 0x11, 0x0a, 0x0d, 0x50, 0x52, 0x4f, 0x54, 0x4f, 0x43, 0x4f, 0x4c,
-	0x5f, 0x48, 0x54, 0x54, 0x50, 0x10, 0x01, 0x12, 0x12, 0x0a, 0x0e, 0x50, 0x52, 0x4f, 0x54, 0x4f,
-	0x43, 0x4f, 0x4c, 0x5f, 0x48, 0x54, 0x54, 0x50, 0x32, 0x10, 0x02, 0x12, 0x11, 0x0a, 0x0d, 0x50,
-	0x52, 0x4f, 0x54, 0x4f, 0x43, 0x4f, 0x4c, 0x5f, 0x47, 0x52, 0x50, 0x43, 0x10, 0x03, 0x12, 0x11,
-	0x0a, 0x0d, 0x50, 0x52, 0x4f, 0x54, 0x4f, 0x43, 0x4f, 0x4c, 0x5f, 0x4d, 0x45, 0x53, 0x48, 0x10,
-	0x04, 0x42, 0xaa, 0x02, 0x0a, 0x25, 0x63, 0x6f, 0x6d, 0x2e, 0x68, 0x61, 0x73, 0x68, 0x69, 0x63,
-	0x6f, 0x72, 0x70, 0x2e, 0x63, 0x6f, 0x6e, 0x73, 0x75, 0x6c, 0x2e, 0x63, 0x61, 0x74, 0x61, 0x6c,
-	0x6f, 0x67, 0x2e, 0x76, 0x31, 0x61, 0x6c, 0x70, 0x68, 0x61, 0x31, 0x42, 0x0d, 0x50, 0x72, 0x6f,
-	0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0x5a, 0x4b, 0x67, 0x69,
-	0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x68, 0x61, 0x73, 0x68, 0x69, 0x63, 0x6f,
-	0x72, 0x70, 0x2f, 0x63, 0x6f, 0x6e, 0x73, 0x75, 0x6c, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2d,
-	0x70, 0x75, 0x62, 0x6c, 0x69, 0x63, 0x2f, 0x70, 0x62, 0x63, 0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67,
-	0x2f, 0x76, 0x31, 0x61, 0x6c, 0x70, 0x68, 0x61, 0x31, 0x3b, 0x63, 0x61, 0x74, 0x61, 0x6c, 0x6f,
-	0x67, 0x76, 0x31, 0x61, 0x6c, 0x70, 0x68, 0x61, 0x31, 0xa2, 0x02, 0x03, 0x48, 0x43, 0x43, 0xaa,
-	0x02, 0x21, 0x48, 0x61, 0x73, 0x68, 0x69, 0x63, 0x6f, 0x72, 0x70, 0x2e, 0x43, 0x6f, 0x6e, 0x73,
-	0x75, 0x6c, 0x2e, 0x43, 0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67, 0x2e, 0x56, 0x31, 0x61, 0x6c, 0x70,
-	0x68, 0x61, 0x31, 0xca, 0x02, 0x21, 0x48, 0x61, 0x73, 0x68, 0x69, 0x63, 0x6f, 0x72, 0x70, 0x5c,
-	0x43, 0x6f, 0x6e, 0x73, 0x75, 0x6c, 0x5c, 0x43, 0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67, 0x5c, 0x56,
-	0x31, 0x61, 0x6c, 0x70, 0x68, 0x61, 0x31, 0xe2, 0x02, 0x2d, 0x48, 0x61, 0x73, 0x68, 0x69, 0x63,
-	0x6f, 0x72, 0x70, 0x5c, 0x43, 0x6f, 0x6e, 0x73, 0x75, 0x6c, 0x5c, 0x43, 0x61, 0x74, 0x61, 0x6c,
-	0x6f, 0x67, 0x5c, 0x56, 0x31, 0x61, 0x6c, 0x70, 0x68, 0x61, 0x31, 0x5c, 0x47, 0x50, 0x42, 0x4d,
-	0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0xea, 0x02, 0x24, 0x48, 0x61, 0x73, 0x68, 0x69, 0x63,
-	0x6f, 0x72, 0x70, 0x3a, 0x3a, 0x43, 0x6f, 0x6e, 0x73, 0x75, 0x6c, 0x3a, 0x3a, 0x43, 0x61, 0x74,
-	0x61, 0x6c, 0x6f, 0x67, 0x3a, 0x3a, 0x56, 0x31, 0x61, 0x6c, 0x70, 0x68, 0x61, 0x31, 0x62, 0x06,
-	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x61, 0x6c, 0x70, 0x68, 0x61, 0x31, 0x2a, 0x83, 0x01, 0x0a, 0x08, 0x50, 0x72, 0x6f, 0x74, 0x6f,
+	0x63, 0x6f, 0x6c, 0x12, 0x18, 0x0a, 0x14, 0x50, 0x52, 0x4f, 0x54, 0x4f, 0x43, 0x4f, 0x4c, 0x5f,
+	0x55, 0x4e, 0x53, 0x50, 0x45, 0x43, 0x49, 0x46, 0x49, 0x45, 0x44, 0x10, 0x00, 0x12, 0x10, 0x0a,
+	0x0c, 0x50, 0x52, 0x4f, 0x54, 0x4f, 0x43, 0x4f, 0x4c, 0x5f, 0x54, 0x43, 0x50, 0x10, 0x01, 0x12,
+	0x11, 0x0a, 0x0d, 0x50, 0x52, 0x4f, 0x54, 0x4f, 0x43, 0x4f, 0x4c, 0x5f, 0x48, 0x54, 0x54, 0x50,
+	0x10, 0x02, 0x12, 0x12, 0x0a, 0x0e, 0x50, 0x52, 0x4f, 0x54, 0x4f, 0x43, 0x4f, 0x4c, 0x5f, 0x48,
+	0x54, 0x54, 0x50, 0x32, 0x10, 0x03, 0x12, 0x11, 0x0a, 0x0d, 0x50, 0x52, 0x4f, 0x54, 0x4f, 0x43,
+	0x4f, 0x4c, 0x5f, 0x47, 0x52, 0x50, 0x43, 0x10, 0x04, 0x12, 0x11, 0x0a, 0x0d, 0x50, 0x52, 0x4f,
+	0x54, 0x4f, 0x43, 0x4f, 0x4c, 0x5f, 0x4d, 0x45, 0x53, 0x48, 0x10, 0x05, 0x42, 0xaa, 0x02, 0x0a,
+	0x25, 0x63, 0x6f, 0x6d, 0x2e, 0x68, 0x61, 0x73, 0x68, 0x69, 0x63, 0x6f, 0x72, 0x70, 0x2e, 0x63,
+	0x6f, 0x6e, 0x73, 0x75, 0x6c, 0x2e, 0x63, 0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67, 0x2e, 0x76, 0x31,
+	0x61, 0x6c, 0x70, 0x68, 0x61, 0x31, 0x42, 0x0d, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c,
+	0x50, 0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0x5a, 0x4b, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e,
+	0x63, 0x6f, 0x6d, 0x2f, 0x68, 0x61, 0x73, 0x68, 0x69, 0x63, 0x6f, 0x72, 0x70, 0x2f, 0x63, 0x6f,
+	0x6e, 0x73, 0x75, 0x6c, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2d, 0x70, 0x75, 0x62, 0x6c, 0x69,
+	0x63, 0x2f, 0x70, 0x62, 0x63, 0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67, 0x2f, 0x76, 0x31, 0x61, 0x6c,
+	0x70, 0x68, 0x61, 0x31, 0x3b, 0x63, 0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67, 0x76, 0x31, 0x61, 0x6c,
+	0x70, 0x68, 0x61, 0x31, 0xa2, 0x02, 0x03, 0x48, 0x43, 0x43, 0xaa, 0x02, 0x21, 0x48, 0x61, 0x73,
+	0x68, 0x69, 0x63, 0x6f, 0x72, 0x70, 0x2e, 0x43, 0x6f, 0x6e, 0x73, 0x75, 0x6c, 0x2e, 0x43, 0x61,
+	0x74, 0x61, 0x6c, 0x6f, 0x67, 0x2e, 0x56, 0x31, 0x61, 0x6c, 0x70, 0x68, 0x61, 0x31, 0xca, 0x02,
+	0x21, 0x48, 0x61, 0x73, 0x68, 0x69, 0x63, 0x6f, 0x72, 0x70, 0x5c, 0x43, 0x6f, 0x6e, 0x73, 0x75,
+	0x6c, 0x5c, 0x43, 0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67, 0x5c, 0x56, 0x31, 0x61, 0x6c, 0x70, 0x68,
+	0x61, 0x31, 0xe2, 0x02, 0x2d, 0x48, 0x61, 0x73, 0x68, 0x69, 0x63, 0x6f, 0x72, 0x70, 0x5c, 0x43,
+	0x6f, 0x6e, 0x73, 0x75, 0x6c, 0x5c, 0x43, 0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67, 0x5c, 0x56, 0x31,
+	0x61, 0x6c, 0x70, 0x68, 0x61, 0x31, 0x5c, 0x47, 0x50, 0x42, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61,
+	0x74, 0x61, 0xea, 0x02, 0x24, 0x48, 0x61, 0x73, 0x68, 0x69, 0x63, 0x6f, 0x72, 0x70, 0x3a, 0x3a,
+	0x43, 0x6f, 0x6e, 0x73, 0x75, 0x6c, 0x3a, 0x3a, 0x43, 0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67, 0x3a,
+	0x3a, 0x56, 0x31, 0x61, 0x6c, 0x70, 0x68, 0x61, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x33,
 }
 
 var (
diff --git a/proto-public/pbcatalog/v1alpha1/protocol.proto b/proto-public/pbcatalog/v1alpha1/protocol.proto
index a18351c5d6d8f..909271b9a6cc2 100644
--- a/proto-public/pbcatalog/v1alpha1/protocol.proto
+++ b/proto-public/pbcatalog/v1alpha1/protocol.proto
@@ -6,12 +6,12 @@ syntax = "proto3";
 package hashicorp.consul.catalog.v1alpha1;
 
 enum Protocol {
-  // buf:lint:ignore ENUM_ZERO_VALUE_SUFFIX
-  PROTOCOL_TCP = 0;
-  PROTOCOL_HTTP = 1;
-  PROTOCOL_HTTP2 = 2;
-  PROTOCOL_GRPC = 3;
+  PROTOCOL_UNSPECIFIED = 0;
+  PROTOCOL_TCP = 1;
+  PROTOCOL_HTTP = 2;
+  PROTOCOL_HTTP2 = 3;
+  PROTOCOL_GRPC = 4;
 
   // Protocol Mesh indicates that this port can speak Consul's mTLS based mesh protocol.
-  PROTOCOL_MESH = 4;
+  PROTOCOL_MESH = 5;
 }
diff --git a/proto-public/pbcatalog/v1alpha1/service.pb.go b/proto-public/pbcatalog/v1alpha1/service.pb.go
index cd72ccf268ff8..ac4afa2c9efa9 100644
--- a/proto-public/pbcatalog/v1alpha1/service.pb.go
+++ b/proto-public/pbcatalog/v1alpha1/service.pb.go
@@ -158,7 +158,7 @@ func (x *ServicePort) GetProtocol() Protocol {
 	if x != nil {
 		return x.Protocol
 	}
-	return Protocol_PROTOCOL_TCP
+	return Protocol_PROTOCOL_UNSPECIFIED
 }
 
 var File_pbcatalog_v1alpha1_service_proto protoreflect.FileDescriptor
diff --git a/proto-public/pbcatalog/v1alpha1/workload.pb.go b/proto-public/pbcatalog/v1alpha1/workload.pb.go
index e1f75d810cb81..e6fa7936d0b3d 100644
--- a/proto-public/pbcatalog/v1alpha1/workload.pb.go
+++ b/proto-public/pbcatalog/v1alpha1/workload.pb.go
@@ -269,7 +269,7 @@ func (x *WorkloadPort) GetProtocol() Protocol {
 	if x != nil {
 		return x.Protocol
 	}
-	return Protocol_PROTOCOL_TCP
+	return Protocol_PROTOCOL_UNSPECIFIED
 }
 
 type Locality struct {