diff --git a/jackrabbit-aws-ext/src/main/java/org/apache/jackrabbit/aws/ext/S3Constants.java b/jackrabbit-aws-ext/src/main/java/org/apache/jackrabbit/aws/ext/S3Constants.java
index 9621ca7..29da427 100644
--- a/jackrabbit-aws-ext/src/main/java/org/apache/jackrabbit/aws/ext/S3Constants.java
+++ b/jackrabbit-aws-ext/src/main/java/org/apache/jackrabbit/aws/ext/S3Constants.java
@@ -98,6 +98,16 @@
     public static final String S3_ENCRYPTION_SSE_S3 = "SSE_S3";
 
     /**
+     *  Constant to set proxy host.
+     */
+    public static final String PROXY_HOST = "proxyHost";
+
+    /**
+     *  Constant to set proxy port.
+     */
+    public static final String PROXY_PORT = "proxyPort";
+
+    /**
      * private constructor so that class cannot initialized from outside.
      */
     private S3Constants() {
diff --git a/jackrabbit-aws-ext/src/main/java/org/apache/jackrabbit/aws/ext/Utils.java b/jackrabbit-aws-ext/src/main/java/org/apache/jackrabbit/aws/ext/Utils.java
index d5d0ba1..2ca6a65 100644
--- a/jackrabbit-aws-ext/src/main/java/org/apache/jackrabbit/aws/ext/Utils.java
+++ b/jackrabbit-aws-ext/src/main/java/org/apache/jackrabbit/aws/ext/Utils.java
@@ -173,15 +173,30 @@
         int socketTimeOut = Integer.parseInt(prop.getProperty(S3Constants.S3_SOCK_TIMEOUT));
         int maxConnections = Integer.parseInt(prop.getProperty(S3Constants.S3_MAX_CONNS));
         int maxErrorRetry = Integer.parseInt(prop.getProperty(S3Constants.S3_MAX_ERR_RETRY));
-        ClientConfiguration cc = new ClientConfiguration();
+        
         String protocol = prop.getProperty(S3Constants.S3_CONN_PROTOCOL);
+        String proxyHost = prop.getProperty(S3Constants.PROXY_HOST);
+        String proxyPort = prop.getProperty(S3Constants.PROXY_PORT);
+        
+        ClientConfiguration cc = new ClientConfiguration();
+        
         if (protocol != null && protocol.equalsIgnoreCase("http")) {
             cc.setProtocol(Protocol.HTTP);
         }
+        
+        if (proxyHost != null && !proxyHost.isEmpty()) {
+            cc.setProxyHost(proxyHost);
+        }
+        
+        if (proxyPort != null && !proxyPort.isEmpty()) {
+            cc.setProxyPort(Integer.parseInt(proxyPort));
+        }
+            
         cc.setConnectionTimeout(connectionTimeOut);
         cc.setSocketTimeout(socketTimeOut);
         cc.setMaxConnections(maxConnections);
         cc.setMaxErrorRetry(maxErrorRetry);
+        
         return cc;
     }
 
diff --git a/jackrabbit-aws-ext/src/test/resources/aws.properties b/jackrabbit-aws-ext/src/test/resources/aws.properties
index cddeb72..59bf1a5 100644
--- a/jackrabbit-aws-ext/src/test/resources/aws.properties
+++ b/jackrabbit-aws-ext/src/test/resources/aws.properties
@@ -42,4 +42,6 @@
 maxErrorRetry=10
 # maximum concurrent threads to write to S3.
 writeThreads=10
-
+# proxy configurations (optional)
+proxyHost=
+proxyPort=