diff -Nur wordpress.orig/wp-includes/functions.php wordpress/wp-includes/functions.php
--- wordpress.orig/wp-includes/functions.php	2007-01-13 21:24:05.749659500 -0800
+++ wordpress/wp-includes/functions.php	2007-01-13 21:43:41.855161500 -0800
@@ -2186,10 +2186,22 @@
 }
 
 function wp_remote_fopen( $uri ) {
+    	$timeout = 10;
+    	$parsed_url = @parse_url($uri);
+    	if ( !$parsed_url || !is_array($parsed_url) )
+    	{
+        	return false;
+    	}
+    	if ( !isset($parsed_url['scheme']) ||
+            !in_array($parsed['scheme'], array('http','https')) )
+    	{
+       	$uri = 'http://' . $uri;
+    	}
 	if ( ini_get('allow_url_fopen') ) {
 		$fp = @fopen( $uri, 'r' );
 		if ( !$fp )
 			return false;
+        	stream_set_timeout($fp, $timeout);
 		$linea = '';
 		while( $remote_read = fread($fp, 4096) )
 			$linea .= $remote_read;
@@ -2200,8 +2212,11 @@
 		curl_setopt ($handle, CURLOPT_URL, $uri);
 		curl_setopt ($handle, CURLOPT_CONNECTTIMEOUT, 1);
 		curl_setopt ($handle, CURLOPT_RETURNTRANSFER, 1);
+        	curl_setopt ($handle, CURLOPT_TIMEOUT, $timeout);
 		$buffer = curl_exec($handle);
 		curl_close($handle);
+        	if ( !preg_match('/.*text\/.*/', curl_getinfo($handle, CURLINFO_CONTENT_TYPE)) )
+            		return '';
 		return $buffer;
 	} else {
 		return false;