From 14abc74d542c09a7c316af37c5287434563caa32 Mon Sep 17 00:00:00 2001
From: Ryan Boren <ryan@git.wordpress.org>
Date: Wed, 5 Oct 2005 23:29:56 +0000
Subject: [PATCH] Send User-Agent when confirming pingbacks.  Props error. 
 fixes #1713

git-svn-id: https://develop.svn.wordpress.org/trunk@2933 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/functions.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index a38c25311d..3d4ad013e5 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -933,7 +933,7 @@ function wp_get_http_headers( $url ) {
 	if ( !isset( $parts['port'] ) )
 		$parts['port'] = 80;
 
-	$head = "HEAD $file HTTP/1.1\r\nHOST: $host\r\n\r\n";
+	$head = "HEAD $file HTTP/1.1\r\nHOST: $host\r\nUser-Agent: WordPress/" . $wp_version . " PHP/" . phpversion() . "\r\n";
 
 	$fp = @fsockopen($host, $parts['port'], $err_num, $err_msg, 3);
 	if ( !$fp )