diff --git a/callback.php b/callback.php
index 038b6b077d..2f3871e43d 100644
--- a/callback.php
+++ b/callback.php
@@ -12,6 +12,21 @@
  * the source code distribution for details.
  */
 
+function set_proxy($post)
+{
+    global $config;
+    if (isset($_ENV['https_proxy'])) {
+	$tmp = rtrim($_ENV['https_proxy'], "/");
+	$proxystr = str_replace(array("http://", "https://"), "", $tmp);
+	$config['callback_proxy'] = $proxystr;
+	printf("Setting proxy to %s (from https_proxy=%s)\n", $proxystr, $_ENV['https_proxy']);
+    }
+    if (isset($config['callback_proxy'])) {
+	printf("Using %s as proxy\n", $config['callback_proxy']);
+	curl_setopt($post, CURLOPT_PROXY, $config['callback_proxy']);
+    }
+}
+
 $enabled = dbFetchCell("SELECT `value` FROM `callback` WHERE `name` = 'enabled'");
 if ($enabled == 1) {
 
@@ -78,7 +93,9 @@ if ($enabled == 1) {
     rtrim($fields, '&');
 
     $post = curl_init();
+    set_proxy($post);
     curl_setopt($post, CURLOPT_URL, $config['callback_post']);
+    curl_setopt($post, CURLOPT_PROXY, count($submit));
     curl_setopt($post, CURLOPT_POST, count($submit));
     curl_setopt($post, CURLOPT_POSTFIELDS, $fields);
     curl_setopt($post, CURLOPT_RETURNTRANSFER, 1);
@@ -89,6 +106,7 @@ if ($enabled == 1) {
     $fields = "uuid=$uuid";
 
     $clear = curl_init();
+    set_proxy($post);
     curl_setopt($clear, CURLOPT_URL, $config['callback_clear']);
     curl_setopt($clear, CURLOPT_POST, count($clear));
     curl_setopt($clear, CURLOPT_POSTFIELDS, $fields);
diff --git a/config.php.default b/config.php.default
index c98b8677ba..479482113b 100755
--- a/config.php.default
+++ b/config.php.default
@@ -41,3 +41,6 @@ $config['auth_mechanism'] = "mysql"; # default, other options: ldap, http-auth
 $config['poller-wrapper']['alerter'] = FALSE;
 # Uncomment the next line to disable daily updates
 #$config['update'] = 0;
+
+# Uncomment to submit callback stats via proxy
+#$config['callback_proxy'] = "hostname:port";