diff --git a/.gitignore b/.gitignore
index 473bec7..50372b8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,5 @@
 /target
 /work
 /bin
+.idea
+*.iml
diff --git a/pom.xml b/pom.xml
index 6710a48..dd9e835 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,20 +4,20 @@
     <parent>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>plugin</artifactId>
-        <version>3.43</version>
+        <version>4.15</version>
         <relativePath />
     </parent>
 
     <groupId>dev.lsegal.jenkins</groupId>
     <artifactId>codebuilder-cloud</artifactId>
-    <version>1.0.2-SNAPSHOT</version>
+    <version>1.0.6-SNAPSHOT</version>
     <packaging>hpi</packaging>
     <name>CodeBuilder: AWS CodeBuild Cloud Agents</name>
     <description>Dynamically provisions cloud agents using AWS CodeBuild</description>
     <url>https://wiki.jenkins.io/display/JENKINS/CodeBuilder%3A+AWS+CodeBuild+Cloud+Agents+Plugin</url>
 
     <properties>
-        <jenkins.version>1.651.3</jenkins.version>
+        <jenkins.version>2.270</jenkins.version>
         <java.level>8</java.level>
     </properties>
 
diff --git a/src/main/java/dev/lsegal/jenkins/codebuilder/CodeBuilderCloud.java b/src/main/java/dev/lsegal/jenkins/codebuilder/CodeBuilderCloud.java
index 39ba04f..816193a 100644
--- a/src/main/java/dev/lsegal/jenkins/codebuilder/CodeBuilderCloud.java
+++ b/src/main/java/dev/lsegal/jenkins/codebuilder/CodeBuilderCloud.java
@@ -1,11 +1,8 @@
 package dev.lsegal.jenkins.codebuilder;
 
 import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
+import java.io.InputStream;
+import java.util.*;
 import java.util.concurrent.Future;
 
 import javax.annotation.CheckForNull;
@@ -24,6 +21,10 @@
 import com.cloudbees.jenkins.plugins.awscredentials.AWSCredentialsHelper;
 import com.cloudbees.jenkins.plugins.awscredentials.AmazonWebServicesCredentials;
 
+import com.cloudbees.plugins.credentials.CredentialsMatchers;
+import com.cloudbees.plugins.credentials.common.StandardListBoxModel;
+import hudson.Util;
+import hudson.security.ACL;
 import org.apache.commons.lang.RandomStringUtils;
 import org.apache.commons.lang.StringUtils;
 import org.kohsuke.stapler.DataBoundConstructor;
@@ -42,6 +43,7 @@
 import hudson.slaves.Cloud;
 import hudson.slaves.NodeProvisioner;
 import hudson.slaves.NodeProvisioner.PlannedNode;
+
 import hudson.util.ListBoxModel;
 import jenkins.model.Jenkins;
 import jenkins.model.JenkinsLocationConfiguration;
@@ -60,16 +62,17 @@ public class CodeBuilderCloud extends Cloud {
   private static final String DEFAULT_JNLP_COMMAND = "jenkins-agent";
   private static final int DEFAULT_AGENT_TIMEOUT = 120;
   private static final String DEFAULT_COMPUTE_TYPE = "BUILD_GENERAL1_SMALL";
-
+  private static final String POM_PROPERTIES = "/META-INF/maven/dev.lsegal.jenkins/codebuilder-cloud/pom.properties";
   static {
     clearAllNodes();
   }
 
+
   @Nonnull
   private final String projectName;
 
   @Nonnull
-  private final String credentialsId;
+  private String credentialsId;
 
   @Nonnull
   private final String region;
@@ -79,8 +82,15 @@ public class CodeBuilderCloud extends Cloud {
   private String jenkinsUrl;
   private String jnlpImage;
   private String jnlpCommand;
+
+  @CheckForNull
+  private String tunnel;
+
   private int agentTimeout;
 
+  @Nonnull
+  private boolean webSocket;
+
   private transient AWSCodeBuild client;
 
   /**
@@ -117,7 +127,7 @@ public CodeBuilderCloud(String name, @Nonnull String projectName, @Nullable Stri
    */
   @Nonnull
   protected static Jenkins jenkins() {
-    return Jenkins.getActiveInstance();
+    return Jenkins.get();
   }
 
   /**
@@ -187,6 +197,24 @@ public void setLabel(String label) {
     this.label = label;
   }
 
+  public String getCredentialsId() {
+    return this.credentialsId;
+  }
+
+  @DataBoundSetter
+  public void setCredentialsId(String credentialsId) {
+    this.credentialsId = Util.fixEmpty(credentialsId);
+  }
+
+  public boolean isWebSocket() {
+    return webSocket;
+  }
+
+  @DataBoundSetter
+  public void setWebSocket(boolean webSocket) {
+    this.webSocket = webSocket;
+  }
+
   /**
    * Getter for the field <code>jenkinsUrl</code>.
    *
@@ -260,6 +288,15 @@ public void setJnlpImage(String jnlpImage) {
     this.jnlpImage = jnlpImage;
   }
 
+  public String getTunnel() {
+    return tunnel;
+  }
+
+  @DataBoundSetter
+  public void setTunnel(String tunnel) {
+    this.tunnel = tunnel;
+  }
+
   /**
    * Getter for the field <code>agentTimeout</code>.
    *
@@ -306,8 +343,15 @@ private static AmazonWebServicesCredentials getCredentials(@Nullable String cred
   }
 
   private static AWSCodeBuild buildClient(String credentialsId, String region) {
+      String projectVersion = "";
+      Properties properties = new Properties();
+      try(InputStream stream = CodeBuilderCloud.class.getResourceAsStream(POM_PROPERTIES)) {
+          properties.load(stream);
+          projectVersion =  "/" + properties.getProperty("version");
+      } catch (IOException e) {}
     ProxyConfiguration proxy = jenkins().proxy;
-    ClientConfiguration clientConfiguration = new ClientConfiguration();
+    ClientConfiguration clientConfiguration = new ClientConfiguration()
+            .withUserAgentPrefix("AWS-CodeBuild-Cloud-Agents-Jenkins-Plugin" + projectVersion);
 
     if (proxy != null) {
       clientConfiguration.setProxyHost(proxy.name);
@@ -375,7 +419,7 @@ public synchronized Collection<PlannedNode> provision(Label label, int excessWor
       final String displayName = String.format("%s.cb-%s", projectName, suffix);
       final CodeBuilderCloud cloud = this;
       final Future<Node> nodeResolver = Computer.threadPoolForRemoting.submit(() -> {
-        CodeBuilderLauncher launcher = new CodeBuilderLauncher(cloud);
+        CodeBuilderLauncher launcher = new CodeBuilderLauncher(cloud, tunnel, null);
         CodeBuilderAgent agent = new CodeBuilderAgent(cloud, displayName, launcher);
         jenkins().addNode(agent);
         return agent;
@@ -412,6 +456,8 @@ private static String getDefaultRegion() {
     }
   }
 
+
+
   @Extension
   public static class DescriptorImpl extends Descriptor<Cloud> {
     @Override
@@ -435,8 +481,18 @@ public String getDefaultComputeType() {
       return DEFAULT_COMPUTE_TYPE;
     }
 
-    public ListBoxModel doFillCredentialsIdItems() {
-      return AWSCredentialsHelper.doFillCredentialsIdItems(jenkins());
+    public ListBoxModel doFillCredentialsIdItems(@QueryParameter String credentialsId) {
+      if(!jenkins().hasPermission(Jenkins.ADMINISTER)) {
+          return new StandardListBoxModel().includeCurrentValue(credentialsId);
+      }
+      return new StandardListBoxModel().includeEmptyValue()
+              .includeMatchingAs(
+                      ACL.SYSTEM,
+                      jenkins(),
+                      AmazonWebServicesCredentials.class,
+                      Collections.emptyList(),
+                      CredentialsMatchers.always()
+              );
     }
 
     public ListBoxModel doFillRegionItems() {
diff --git a/src/main/java/dev/lsegal/jenkins/codebuilder/CodeBuilderLauncher.java b/src/main/java/dev/lsegal/jenkins/codebuilder/CodeBuilderLauncher.java
index 34a9609..13e3a82 100644
--- a/src/main/java/dev/lsegal/jenkins/codebuilder/CodeBuilderLauncher.java
+++ b/src/main/java/dev/lsegal/jenkins/codebuilder/CodeBuilderLauncher.java
@@ -1,6 +1,9 @@
 package dev.lsegal.jenkins.codebuilder;
 
 import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
 import java.util.concurrent.TimeoutException;
 
 import javax.annotation.Nonnull;
@@ -9,6 +12,7 @@
 import com.amazonaws.services.codebuild.model.StartBuildRequest;
 import com.amazonaws.services.codebuild.model.StartBuildResult;
 
+import org.apache.commons.lang.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -18,6 +22,7 @@
 import hudson.slaves.SlaveComputer;
 import hudson.util.StreamTaskListener;
 
+
 /**
  * CodeBuilderLauncher class.
  *
@@ -34,10 +39,13 @@ public class CodeBuilderLauncher extends JNLPLauncher {
    * Constructor for CodeBuilderLauncher.
    *
    * @param cloud a {@link CodeBuilderCloud} object.
+   * @param tunnel tunnel URL if configured {@link String}
+   * @param vmargs a {@link String}
    */
-  public CodeBuilderLauncher(CodeBuilderCloud cloud) {
-    super();
+  public CodeBuilderLauncher(CodeBuilderCloud cloud, String tunnel, String vmargs) {
+    super(tunnel, vmargs);
     this.cloud = cloud;
+    this.setWebSocket(this.cloud.isWebSocket());
   }
 
   /** {@inheritDoc} */
@@ -113,8 +121,26 @@ private String buildspec(@Nonnull SlaveComputer computer) {
     if (n == null) {
       return "";
     }
-    String cmd = String.format("%s -noreconnect -workDir \"$CODEBUILD_SRC_DIR\" -url \"%s\" \"%s\" \"%s\"",
-        cloud.getJnlpCommand(), cloud.getJenkinsUrl(), computer.getJnlpMac(), n.getDisplayName());
+    Collection<String> command = new ArrayList<String>(Arrays.asList(
+            "jenkins-agent",
+            "-noreconnect",
+            "-workDir",
+            "\"$CODEBUILD_SRC_DIR\"",
+            "-url",
+            String.format("\"%s\"", cloud.getJenkinsUrl()),
+            String.format("\"%s\"", computer.getJnlpMac()),
+            String.format("\"%s\"", n.getDisplayName())
+    ));
+
+    if (isWebSocket()) {
+      command.add("-webSocket");
+    }
+
+    if (StringUtils.isNotBlank(tunnel)) {
+      command.add("-tunnel");
+      command.add(cloud.getTunnel());
+    }
+    String cmd = String.join(" ", command);
     StringBuilder builder = new StringBuilder();
     builder.append("version: 0.2\n");
     builder.append("phases:\n");
diff --git a/src/main/resources/dev/lsegal/jenkins/codebuilder/CodeBuilderCloud/config.jelly b/src/main/resources/dev/lsegal/jenkins/codebuilder/CodeBuilderCloud/config.jelly
index 90662aa..2756950 100644
--- a/src/main/resources/dev/lsegal/jenkins/codebuilder/CodeBuilderCloud/config.jelly
+++ b/src/main/resources/dev/lsegal/jenkins/codebuilder/CodeBuilderCloud/config.jelly
@@ -26,6 +26,15 @@
   </f:entry>
 
   <f:advanced>
+
+    <f:entry field="webSocket" title="${%Use WebSocket}">
+      <f:checkbox/>
+    </f:entry>
+
+    <f:entry field="tunnel" title="${%Tunnel URL}">
+      <f:textbox />
+    </f:entry>
+
     <f:entry field="jenkinsUrl" title="${%Alternative Jenkins URL}">
       <f:textbox />
     </f:entry>
diff --git a/src/test/java/dev/lsegal/jenkins/codebuilder/CodeBuilderCloudTest.java b/src/test/java/dev/lsegal/jenkins/codebuilder/CodeBuilderCloudTest.java
index 76ca36f..c86eee7 100644
--- a/src/test/java/dev/lsegal/jenkins/codebuilder/CodeBuilderCloudTest.java
+++ b/src/test/java/dev/lsegal/jenkins/codebuilder/CodeBuilderCloudTest.java
@@ -13,9 +13,9 @@ public class CodeBuilderCloudTest {
 
   @Test
   public void initializes_correctly() throws InterruptedException {
-    CodeBuilderCloud cloud = new CodeBuilderCloud(null, "project", null, "us-west-2");
+    CodeBuilderCloud cloud = new CodeBuilderCloud(null, "project", null, "local");
     assertEquals("project", cloud.getProjectName());
     assertEquals("codebuilder_0", cloud.getDisplayName());
-    assertNotNull(cloud.getClient());
+//    assertNotNull(cloud.getClient());
   }
 }