diff --git a/core/src/main/java/com/netflix/msl/msg/MslControl.java b/core/src/main/java/com/netflix/msl/msg/MslControl.java
index c7989cda..78581eb3 100644
--- a/core/src/main/java/com/netflix/msl/msg/MslControl.java
+++ b/core/src/main/java/com/netflix/msl/msg/MslControl.java
@@ -20,6 +20,7 @@
 import java.io.InputStream;
 import java.io.InterruptedIOException;
 import java.io.OutputStream;
+import java.net.SocketTimeoutException;
 import java.net.URL;
 import java.nio.channels.ClosedByInterruptException;
 import java.nio.channels.FileLockInterruptionException;
@@ -688,9 +689,18 @@ public void write(final MessageOutputStream output) throws IOException {
     }
     
     /**
-     * Returns true if the current thread has been interrupted as indicated by
-     * the {@code Thread#isInterrupted()} method or the type of caught
-     * throwable.
+     * <p>Returns true if the current thread has been interrupted as indicated
+     * by the {@code Thread#isInterrupted()} method or the type of caught
+     * throwable.</p>
+     * 
+     * <p>The following {@code Throwable} types are considered interruptions that the application
+     * initiated or should otherwise be aware of:
+     * <ul>
+     * <li>{@link InterruptedException}</li>
+     * <li>{@link InterruptedIOException} except for {@link SocketTimeoutException}</li>
+     * <li>{@link FileLockInterruptionException}</li>
+     * <li>{@link ClosedByInterruptException}</li>
+     * </ul></p>
      * 
      * @param t caught throwable. May be null.
      * @return true if this thread was interrupted or the exception indicates
@@ -703,7 +713,7 @@ protected static boolean cancelled(Throwable t) {
             return true;
         while (t != null) {
             if (t instanceof InterruptedException ||
-                t instanceof InterruptedIOException ||
+                (t instanceof InterruptedIOException && !(t instanceof SocketTimeoutException)) ||
                 t instanceof FileLockInterruptionException ||
                 t instanceof ClosedByInterruptException)
             {
@@ -3512,12 +3522,13 @@ public MslChannel call() throws MslException, IOException, TimeoutException {
      * <p>The returned {@code Future} will return the received
      * {@code MessageInputStream} on completion or {@code null} if a reply was
      * automatically sent (for example in response to a handshake request) or
-     * if the operation was cancelled or interrupted. The returned message may
-     * be an error message if the maximum number of messages is hit without
-     * successfully receiving the final message. The {@code Future} may throw
-     * an {@code ExecutionException} whose cause is a {@code MslException},
-     * {@code MslErrorResponseException}, {@code IOException}, or
-     * {@code TimeoutException}.</p>
+     * if the operation was
+     * {@link #cancelled(Throwable) cancelled or interrupted}. The returned
+     * message may be an error message if the maximum number of messages is hit
+     * without successfully receiving the final message. The {@code Future} may
+     * throw an {@code ExecutionException} whose cause is a
+     * {@code MslException}, {@code MslErrorResponseException},
+     * {@code IOException}, or {@code TimeoutException}.</p>
      * 
      * <p>The remote entity input and output streams will not be closed in case
      * the caller wishes to reuse them.</p>
@@ -3559,14 +3570,15 @@ public Future<MessageInputStream> receive(final MslContext ctx, final MessageCon
      * only contain new application data that is a continuation of the previous
      * message's application data.</p>
      * 
-     * <p>The returned {@code Future} will return {@code null} if cancelled,
-     * interrupted, if an error response was received (peer-to-peer only)
-     * resulting in a failure to establish the communication channel, if the
-     * response could not be sent with encryption or integrity protection when
-     * required (trusted network-mode only), if a user cannot be attached to
-     * the response due to lack of a master token, or if the maximum number of
-     * messages is hit without sending the message. In these cases the remote
-     * entity's next message can be received by another call to
+     * <p>The returned {@code Future} will return {@code null} if
+     * {@link #cancelled(Throwable) cancelled or interrupted}, if an error
+     * response was received (peer-to-peer only) resulting in a failure to
+     * establish the communication channel, if the response could not be sent
+     * with encryption or integrity protection when required (trusted network-
+     * mode only), if a user cannot be attached to the response due to lack of
+     * a master token, or if the maximum number of messages is hit without
+     * sending the message. In these cases the remote entity's next message can
+     * be received by another call to
      * {@link #receive(MslContext, MessageContext, InputStream, OutputStream, int)}.</p>
      * 
      * <p>The {@code Future} may throw an {@code ExecutionException} whose
@@ -3605,9 +3617,9 @@ public Future<MslChannel> respond(final MslContext ctx, final MessageContext msg
      * {@link #request(MslContext, MessageContext, URL, int)}.</p>
      * 
      * <p>The returned {@code Future} will return true on success or false if
-     * cancelled or interrupted. The {@code Future} may throw an
-     * {@code ExecutionException} whose cause is a {@code MslException} or
-     * {@code IOException}.</p>
+     * {@link #cancelled(Throwable) cancelled or interrupted}. The
+     * {@code Future} may throw an {@code ExecutionException} whose cause is a
+     * {@code MslException} or {@code IOException}.</p>
      * 
      * <p>The remote entity input and output streams will not be closed in case
      * the caller wishes to reuse them.</p>
@@ -3645,12 +3657,13 @@ public Future<Boolean> error(final MslContext ctx, final MessageContext msgCtx,
      * channel. If an error message was received then the MSL channel's message
      * output stream will be {@code null}.</p>
      * 
-     * <p>The returned {@code Future} will return {@code null} if cancelled or
-     * interrupted. The returned message may be an error message if the maximum
-     * number of messages is hit without successfully sending the request and
-     * receiving the response. The {@code Future} may throw an
-     * {@code ExecutionException} whose cause is a {@code MslException},
-     * {@code IOException}, or {@code TimeoutException}.</p>
+     * <p>The returned {@code Future} will return {@code null} if
+     * {@link #cancelled(Throwable) cancelled or interrupted}. The returned
+     * message may be an error message if the maximum number of messages is hit
+     * without successfully sending the request and receiving the response. The
+     * {@code Future} may throw an {@code ExecutionException} whose cause is a
+     * {@code MslException}, {@code IOException}, or
+     * {@code TimeoutException}.</p>
      * 
      * <p>The caller must close the returned message input stream and message
      * outut stream.</p>
@@ -3688,12 +3701,13 @@ public Future<MslChannel> request(final MslContext ctx, final MessageContext msg
      * channel. If an error message was received then the MSL channel's message
      * output stream will be {@code null}.</p>
      * 
-     * <p>The returned {@code Future} will return {@code null} if cancelled or
-     * interrupted. The returned message may be an error message if the maximum
-     * number of messages is hit without successfully sending the request and
-     * receiving the response. The {@code Future} may throw an
-     * {@code ExecutionException} whose cause is a {@code MslException},
-     * {@code IOException}, or {@code TimeoutException}.</p>
+     * <p>The returned {@code Future} will return {@code null} if
+     * {@link #cancelled(Throwable) cancelled or interrupted}. The returned
+     * message may be an error message if the maximum number of messages is hit
+     * without successfully sending the request and receiving the response. The
+     * {@code Future} may throw an {@code ExecutionException} whose cause is a
+     * {@code MslException}, {@code IOException}, or
+     * {@code TimeoutException}.</p>
      * 
      * <p>The caller must close the returned message input stream and message
      * outut stream. The remote entity input and output streams will not be
diff --git a/core/src/main/javascript/msg/MslControl.js b/core/src/main/javascript/msg/MslControl.js
index aa575d4b..eebb03b0 100644
--- a/core/src/main/javascript/msg/MslControl.js
+++ b/core/src/main/javascript/msg/MslControl.js
@@ -514,8 +514,15 @@ var MslControl$MslChannel;
     var NULL_MASTER_TOKEN = {};
 
     /**
-     * Returns true if the current operation has been interrupted/cancelled as
-     * indicated by the type of caught error.
+     * <p>Returns true if the current operation has been interrupted/cancelled
+     * as indicated by the type of caught error.</p>
+     * 
+     * <p>The following error types are considered interruptions or
+     * cancellations that the application initiated or should otherwise be
+     * aware of:
+     * <ul>
+     * <li>{@link MslInterruptedException}</li>
+     * </ul></p>
      *
      * @param {?Error} e caught error. May be null.
      * @return {boolean} true if the error indicates an operation was
@@ -2465,11 +2472,13 @@ var MslControl$MslChannel;
          * <p>The returned {@code Future} will return the received
          * {@code MessageInputStream} on completion or {@code null} if a reply was
          * automatically sent (for example in response to a handshake request) or
-         * if the operation was cancelled or interrupted. The returned message may
-         * be an error message if the maximum number of messages is hit without
-         * successfully receiving the final message. The {@code Future} may throw
-         * an {@code ExecutionException} whose cause is a {@code MslException},
-         * {@code MslErrorResponseException}, or {@code IOException}.</p>
+         * if the operation was
+         * {@link #cancelled(Throwable) cancelled or interrupted}. The returned
+         * message may be an error message if the maximum number of messages is hit
+         * without successfully receiving the final message. The {@code Future} may
+         * throw an {@code ExecutionException} whose cause is a
+         * {@code MslException}, {@code MslErrorResponseException},
+         * or {@code IOException}.</p>
          *
          * <p>The remote entity input and output streams will not be closed in case
          * the caller wishes to reuse them.</p>
@@ -2520,14 +2529,15 @@ var MslControl$MslChannel;
          * only contain new application data that is a continuation of the previous
          * message's application data.</p>
          *
-         * <p>The returned {@code Future} will return {@code null} if cancelled,
-         * interrupted, if an error response was received (peer-to-peer only)
-         * resulting in a failure to establish the communication channel, if the
-         * response could not be sent with encryption or integrity protection when
-         * required (trusted network-mode only), if a user cannot be attached to
-         * the response due to lack of a master token, or if the maximum number of
-         * messages is hit without sending the message. In these cases the remote
-         * entity's next message can be received by another call to
+         * <p>The returned {@code Future} will return {@code null} if
+         * {@link #cancelled(Throwable) cancelled or interrupted}, if an error
+         * response was received (peer-to-peer only) resulting in a failure to
+         * establish the communication channel, if the response could not be sent
+         * with encryption or integrity protection when required (trusted network-
+         * mode only), if a user cannot be attached to the response due to lack of
+         * a master token, or if the maximum number of messages is hit without
+         * sending the message. In these cases the remote entity's next message can
+         * be received by another call to
          * {@link #receive(MslContext, MessageContext, InputStream, OutputStream, int)}.</p>
          * 
          * <p>The {@code Future} may throw an {@code ExecutionException} whose
@@ -2570,9 +2580,9 @@ var MslControl$MslChannel;
          * {@link #request(MslContext, MessageContext, URL, int)}.</p>
          *
          * <p>The returned {@code Future} will return true on success or false if
-         * cancelled or interrupted. The {@code Future} may throw an
-         * {@code ExecutionException} whose cause is a {@code MslException} or
-         * {@code IOException}.</p>
+         * {@link #cancelled(Throwable) cancelled or interrupted}. The
+         * {@code Future} may throw an {@code ExecutionException} whose cause is a
+         * {@code MslException} or {@code IOException}.</p>
          *
          * <p>The remote entity input and output streams will not be closed in case
          * the caller wishes to reuse them.</p>
@@ -2667,12 +2677,12 @@ var MslControl$MslChannel;
          * channel. If an error message was received then the MSL channel's message
          * output stream will be {@code null}.</p>
          *
-         * <p>The returned {@code Future} will return {@code null} if cancelled or
-         * interrupted. The returned message may be an error message if the maximum
-         * number of messages is hit without successfully sending the request and
-         * receiving the response. The {@code Future} may throw an
-         * {@code ExecutionException} whose cause is a {@code MslException} or
-         * {@code IOException}.</p>
+         * <p>The returned {@code Future} will return {@code null} if
+         * {@link #cancelled(Throwable) cancelled or interrupted}. The returned
+         * message may be an error message if the maximum number of messages is hit
+         * without successfully sending the request and receiving the response. The
+         * {@code Future} may throw an {@code ExecutionException} whose cause is a
+         * {@code MslException} or {@code IOException}.</p>
          */
         request: function request(ctx, msgCtx /* variable arguments */) {
             if (this._shutdown)