Index: wp-includes/update.php
===================================================================
--- wp-includes/update.php	(révision 31181)
+++ wp-includes/update.php	(copie de travail)
@@ -114,6 +114,11 @@
 		'body' => $post_body,
 	);
 
+	$wp_http = new WP_Http();
+	if ( $wp_http->block_request($url) ) {
+		return;
+	}
+
 	$response = wp_remote_post( $url, $options );
 	if ( $ssl && is_wp_error( $response ) ) {
 		trigger_error( __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE );
@@ -290,6 +295,11 @@
 	if ( $ssl = wp_http_supports( array( 'ssl' ) ) )
 		$url = set_url_scheme( $url, 'https' );
 
+	$wp_http = new WP_Http();
+	if ( $wp_http->block_request($url) ) {
+		return;
+	}
+
 	$raw_response = wp_remote_post( $url, $options );
 	if ( $ssl && is_wp_error( $raw_response ) ) {
 		trigger_error( __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE );
@@ -452,6 +462,11 @@
 	if ( $ssl = wp_http_supports( array( 'ssl' ) ) )
 		$url = set_url_scheme( $url, 'https' );
 
+	$wp_http = new WP_Http();
+	if ( $wp_http->block_request($url) ) {
+		return;
+	}
+
 	$raw_response = wp_remote_post( $url, $options );
 	if ( $ssl && is_wp_error( $raw_response ) ) {
 		trigger_error( __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE );