diff --git a/readme.txt b/readme.txt
index 13e78cf..edd0ec5 100644
--- a/readme.txt
+++ b/readme.txt
@@ -4,7 +4,7 @@ Donate link: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_i
 Tags: cache, page cache, full page cache, nginx, memcached, apc, speed
 Requires at least: 3.0
 Tested up to: 4.0
-Stable tag: 1.7.0
+Stable tag: 1.7.1
 License: GPLv3
 License URI: http://www.gnu.org/licenses/gpl-3.0.html
 
@@ -47,8 +47,12 @@ Many thanks for donations, contributors, supporters, testers & bug reporters:
 * [Dave Clark](https://github.com/dkcwd "Dave Clark")
 * Miguel Clara
 * [plescheff](https://github.com/plescheff)
+* Firas Dib
 * [CotswoldPhoto](http://wordpress.org/support/profile/cotswoldphoto)
 * [tamagokun](https://github.com/tamagokun)
+* Many Ayromlou
+* mailgarant.nl
+* Christian Rößner
 
 == Installation ==
 
@@ -110,6 +114,22 @@ Version numbering logic:
 * every .B version indicates new features.
 * every ..C indicates bugfixes for A.B version.
 
+= 1.7.1 =
+*2014-12-04*
+
+What's fixed:
+
+* [Unable to determine path from Post Permalink](https://wordpress.org/support/topic/unable-to-determine-path-from-post-permalink) noise fixed
+* potential Multisite precache bug fixed ( database prefixes were not set according to original prefix )
+
+What's new:
+
+* added permanent cache exception of localhost
+
+What's changed:
+
+* pingback header preservation is now off by default and can manually be turned on
+
 = 1.7.0 =
 *2014-09-19*
 
@@ -123,10 +143,6 @@ What's changed:
 * **dropped persistent memcache mode**: no one was using it and even if the were only caused trouble
 * **removed '/wp-' hardcoded cache exception**; this is now the default in the regex exceptions field as ^/wp-; please add this manually in case you've already been using the regex field
 
-What's on it's way:
-
-* brace yourselves, redis support is coming
-
 = 1.6.4 =
 *2014-09-12*
 
diff --git a/wp-ffpc-acache.php b/wp-ffpc-acache.php
index fbc788a..122a167 100644
--- a/wp-ffpc-acache.php
+++ b/wp-ffpc-acache.php
@@ -3,6 +3,10 @@
  * advanced cache worker of WordPress plugin WP-FFPC
  */
 
+/* ignore localhost */
+if ( $_SERVER['SERVER_ADDR'] == $_SERVER['REMOTE_ADDR'] || $_SERVER['REMOTE_ADDR'] == '127.0.0.1' )
+	return false;
+
 /* check for WP cache enabled*/
 if ( !WP_CACHE )
 	return false;
@@ -173,7 +177,7 @@ if ( !empty($wp_ffpc_values['meta']['lastmodified']) )
 	header( 'Last-Modified: ' . gmdate("D, d M Y H:i:s", $wp_ffpc_values['meta']['lastmodified'] ). " GMT" );
 
 /* pingback urls, if existx */
-if ( !empty( $wp_ffpc_values['meta']['pingback'] ) )
+if ( !empty( $wp_ffpc_values['meta']['pingback'] ) && $wp_ffpc_config['pingback_header'] )
 	header( 'X-Pingback: ' . $wp_ffpc_values['meta']['pingback'] );
 
 /* for debugging */
@@ -182,6 +186,7 @@ if ( $wp_ffpc_config['response_header'] )
 
 /* HTML data */
 echo $wp_ffpc_values['data'];
+
 flush();
 die();
 
@@ -318,6 +323,9 @@ function wp_ffpc_callback( $buffer ) {
 	$wp_ffpc_backend->set ( $prefix_meta, $meta );
 
 	$prefix_data = $wp_ffpc_backend->key ( $wp_ffpc_config['prefix_data'] );
+
+	//if ( $wp_ffpc_config['gzip'] && function_exists('gzencode') )
+
 	$wp_ffpc_backend->set ( $prefix_data , $buffer );
 
 	if ( !empty( $meta['status'] ) && $meta['status'] == 404 ) {
diff --git a/wp-ffpc-backend.php b/wp-ffpc-backend.php
index db44de2..4f946b5 100644
--- a/wp-ffpc-backend.php
+++ b/wp-ffpc-backend.php
@@ -254,7 +254,7 @@ class WP_FFPC_Backend {
 			$permalink = get_permalink( $post_id );
 
 			/* no path, don't do anything */
-			if ( empty( $permalink ) ) {
+			if ( empty( $permalink ) && $permalink != false ) {
 				$this->log ( sprintf( __translate__( 'unable to determine path from Post Permalink, post ID: %s', $this->plugin_constant ),  $post_id ), LOG_WARNING );
 				return false;
 			}
diff --git a/wp-ffpc-class.php b/wp-ffpc-class.php
index ceaaba7..047813c 100644
--- a/wp-ffpc-class.php
+++ b/wp-ffpc-class.php
@@ -176,8 +176,8 @@ class WP_FFPC extends PluginAbstract {
 		/* initiate backend */
 		$this->backend = new WP_FFPC_Backend ( $this->options );
 
-		/* get all available post types */
-		$post_types = get_post_types( );
+		/* get all available post types *
+		$post_types = get_post_types( );*/
 
 		/* cache invalidation hooks */
 		add_action(  'transition_post_status',  array( &$this->backend , 'clear_ng' ), 10, 3 );
@@ -562,6 +562,14 @@ class WP_FFPC extends PluginAbstract {
 			<fieldset id="<?php echo $this->plugin_constant ?>-debug">
 			<legend><?php _e( 'Debug & in-depth settings', $this->plugin_constant ); ?></legend>
 			<dl>
+				<dt>
+					<label for="pingback_header"><?php _e('Enable X-Pingback header preservation', $this->plugin_constant); ?></label>
+				</dt>
+				<dd>
+					<input type="checkbox" name="pingback_header" id="pingback_header" value="1" <?php checked($this->options['pingback_header'],true); ?> />
+					<span class="description"><?php _e('Preserve X-Pingback URL in response header.', $this->plugin_constant); ?></span>
+				</dd>
+
 				<dt>
 					<label for="log"><?php _e("Enable logging", $this->plugin_constant); ?></label>
 				</dt>
@@ -652,12 +660,6 @@ class WP_FFPC extends PluginAbstract {
 					<span class="description"><?php _e('Exclude content based on cookies names starting with this from caching. Separate multiple cookies names with commas.<br />If you are caching with nginx, you should update your nginx configuration and reload nginx after changing this value.', $this->plugin_constant); ?></span>
 				</dd>
 
-				<dt>
-
-				</dt>
-				<dd>
-				</dd>
-
 				<dt>
 					<label for="nocache_url"><?php _e("Don't cache following URL paths - use with caution!", $this->plugin_constant); ?></label>
 				</dt>
@@ -669,6 +671,7 @@ class WP_FFPC extends PluginAbstract {
 					?></textarea>
 					<span class="description"><?php _e('Regular expressions use you must! e.g. <em>pattern1|pattern2|etc</em>', $this->plugin_constant); ?></span>
 				</dd>
+
 			</dl>
 			</fieldset>
 
@@ -1128,7 +1131,8 @@ class WP_FFPC extends PluginAbstract {
 		if ( $this->network ) {
 			/* list all blogs */
 			global $wpdb;
-			$blog_list = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM wp_blogs ORDER BY blog_id", '' ) );
+			$pfix = empty ( $wpdb->base_prefix ) ? 'wp' : $wpdb->base_prefix;
+			$blog_list = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM ". $pfix ."_blogs ORDER BY blog_id", '' ) );
 
 			foreach ($blog_list as $blog) {
 				if ( $blog->archived != 1 && $blog->spam != 1 && $blog->deleted != 1) {
@@ -1190,14 +1194,16 @@ class WP_FFPC extends PluginAbstract {
 				case 'page':
 					$permalink = get_page_link( $post->ID );
 					break;
-				case 'post':
+				/*
+				 * case 'post':
 					$permalink = get_permalink( $post->ID );
 					break;
+				*/
 				case 'attachment':
 					$permalink = get_attachment_link( $post->ID );
 					break;
 				default:
-					$permalink = get_post_permalink( $post->ID );
+					$permalink = get_permalink( $post->ID );
 				break;
 			}
 
diff --git a/wp-ffpc.php b/wp-ffpc.php
index 7d867b0..7cbe7d1 100644
--- a/wp-ffpc.php
+++ b/wp-ffpc.php
@@ -54,8 +54,9 @@ $wp_ffpc_defaults = array (
 	'precache_schedule' => 'null',
 	'key' => '$scheme://$host$request_uri',
 	'comments_invalidate' => true,
+	'pingback_header' => false,
 );
 
-$wp_ffpc = new WP_FFPC ( 'wp-ffpc', '1.7.0', 'WP-FFPC', $wp_ffpc_defaults, 'PeterMolnar_WordPressPlugins_wp-ffpc_HU' , 'WP-FFPC' , 'FA3NT7XDVHPWU' );
+$wp_ffpc = new WP_FFPC ( 'wp-ffpc', '1.7.1', 'WP-FFPC', $wp_ffpc_defaults, 'PeterMolnar_WordPressPlugins_wp-ffpc_HU' , 'WP-FFPC' , 'FA3NT7XDVHPWU' );
 
 ?>