diff --git a/dubbo-config/dubbo-config-api/src/main/java/org/apache/dubbo/config/bootstrap/builders/ProtocolBuilder.java b/dubbo-config/dubbo-config-api/src/main/java/org/apache/dubbo/config/bootstrap/builders/ProtocolBuilder.java
index 9e8848570f..cd247139fc 100644
--- a/dubbo-config/dubbo-config-api/src/main/java/org/apache/dubbo/config/bootstrap/builders/ProtocolBuilder.java
+++ b/dubbo-config/dubbo-config-api/src/main/java/org/apache/dubbo/config/bootstrap/builders/ProtocolBuilder.java
@@ -180,6 +180,13 @@ public class ProtocolBuilder extends AbstractBuilder<ProtocolConfig, ProtocolBui
      */
     private Map<String, String> parameters;
 
+    private Boolean sslEnabled;
+
+    /*
+     * Extra Protocol for this service, using Port Unification Server
+     */
+    private String extProtocol;
+
     /**
      * If it's default
      */
@@ -375,6 +382,16 @@ public class ProtocolBuilder extends AbstractBuilder<ProtocolConfig, ProtocolBui
         return getThis();
     }
 
+    public ProtocolBuilder isSslEnabled(Boolean sslEnabled) {
+        this.sslEnabled = sslEnabled;
+        return getThis();
+    }
+
+    public ProtocolBuilder extProtocol(String extProtocol) {
+        this.extProtocol = extProtocol;
+        return getThis();
+    }
+
     public ProtocolBuilder isDefault(Boolean isDefault) {
         this.isDefault = isDefault;
         return getThis();
@@ -416,6 +433,8 @@ public class ProtocolBuilder extends AbstractBuilder<ProtocolConfig, ProtocolBui
         protocolConfig.setThreadpool(threadpool);
         protocolConfig.setThreads(threads);
         protocolConfig.setTransporter(transporter);
+        protocolConfig.setSslEnabled(sslEnabled);
+        protocolConfig.setExtProtocol(extProtocol);
 
         return protocolConfig;
     }