Spam protection, AntiSpam, FireWall by CleanTalk

Version Description

2013-11-27 = * New: Added protection against spam bots for BuddyPress registrations. * New: Added protection against spam bots for Contact form 7. * New: Added Spanish (es_ES) translation.

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Release Info

Developer	shagimuratov
Plugin	Spam protection, AntiSpam, FireWall by CleanTalk
Version	2.25
Comparing to
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Code changes from version 2.23 to 2.25

Files changed (5) hide show

cleantalk.class.php +1 -4
cleantalk.php +182 -15
i18n/cleantalk-es_ES.mo +0 -0
readme.txt +28 -12
screenshot-5.png +0 -0

cleantalk.class.php CHANGED Viewed

	@@ -8,7 +8,7 @@
8	* @author Сleantalk team (welcome@cleantalk.ru)
9	* @copyright (C) 2013 СleanTalk team (http://cleantalk.org)
10	* @license GNU/GPL: http://www.gnu.org/copyleft/gpl.html
11	- * @see ~~http~~://~~cleantalk~~.ru/~~wiki~~/~~doku.~~php~~/api~~
12	*
13	*/
14
	@@ -508,9 +508,6 @@ class Cleantalk {
508	break;
509
510	case 'check_newuser':
511	- if (empty($request->sender_email)) {
512	- $error_params[] = 'sender_email';
513	- }
514	break;
515
516	case 'send_feedback':


8	* @author Сleantalk team (welcome@cleantalk.ru)
9	* @copyright (C) 2013 СleanTalk team (http://cleantalk.org)
10	* @license GNU/GPL: http://www.gnu.org/copyleft/gpl.html
11	+ * @see https://github.com/CleanTalk/php-antispam
12	*
13	*/
14

508	break;
509
510	case 'check_newuser':



511	break;
512
513	case 'send_feedback':

cleantalk.php CHANGED Viewed

@@ -3,25 +3,40 @@
               Plugin Name: Anti-spam by CleanTalk
               Plugin URI: http://cleantalk.org/wordpress
               Description:  Invisible antispam for comments, registrations and feedbacks. The plugin doesn't use CAPTCHA, Q&A, math or quiz to stop spam bots.
-            -
              Version: 2.23
               Author: СleanTalk <welcome@cleantalk.ru>
               Author URI: http://cleantalk.org
              */
-            -
            $ct_agent_version = 'wordpress-222';
             $ct_checkjs_frm = 'ct_checkjs_frm';
             $ct_checkjs_register_form = 'ct_checkjs_register_form';
             $ct_session_request_id_label = 'request_id';
             add_action('comment_form', 'ct_add_hidden_fields');
             add_filter('preprocess_comment', 'ct_check');     // param - comment data array
             add_action('frm_validate_entry', 'ct_frm_validate_entry', 20, 2);
             add_action('frm_entries_footer_scripts', 'ct_frm_entries_footer_scripts', 20, 2);
             add_action('register_form','ct_register_form');
             add_filter('registration_errors', 'ct_registration_errors', 10, 3);
             add_action('user_register', 'ct_user_register');
             if (is_admin()) {
                 add_action('admin_init', 'ct_admin_init', 1);
                 add_action('admin_menu', 'ct_admin_add_page');
@@ -61,6 +76,7 @@ function ct_def_options() {
                     'registrations_test' => '1',
                     'comments_test' => '1',
                     'formidable_test' => '1',
                     'remove_old_spam' => '0',
                     'spam_store_days' => '31' // Days before delete comments from folder Spam
                 );
@@ -189,7 +205,7 @@ function ct_init_session() {
              * Public action 'comment_form' - Adds hidden filed to define avaialbility of client's JavaScript
              * @param 	int $post_id Post ID, not used
              */
-            -
            function ct_add_hidden_fields($post_id = 0, $field_name = 'ct_checkjs') {
                 $ct_checkjs_def = 0;
                 $ct_checkjs_key = ct_get_checkjs_value();
@@ -200,15 +216,20 @@ function ct_add_hidden_fields($post_id = 0, $field_name = 'ct_checkjs') {
                 ct_init_session();
                 $_SESSION['formtime'] = time();
-            -
-            -
                ?>
-            -
                <input type="hidden" id="<?php echo $field_name; ?>" name="<?php echo $field_name; ?>" value="0">
                 <script type="text/javascript">
                     // <![CDATA[
-            -
                    document.getElementById("<?php echo $field_name; ?>").value = document.getElementById("<?php echo $field_name; ?>").value.replace("<?php echo $ct_checkjs_def ?>", "<?php echo $ct_checkjs_key ?>");
                     // ]]>
                 </script>
-            -
                <?php
+            }
             /**
@@ -764,7 +785,7 @@ function admin_notice_message(){
              * Add descriptions for field
              */
             function admin_addDescriptionsFields($descr = '') {
-            -
                echo "<p style='color: #666 !important'>$descr</p>";
+            }
             /**
@@ -851,9 +872,22 @@ function ct_register_form() {
              * Test users registration
              * @return array with errors
              */
-            -
            function ct_registration_errors($errors, $sanitized_user_login, $user_email) {
-            -
                global $ct_agent_version, $ct_checkjs_register_form, $ct_session_request_id_label;
-            -
                 $options = ct_get_options();
                 if ($options['registrations_test'] == 0) {
                     return $errors;
@@ -910,7 +944,11 @@ function ct_registration_errors($errors, $sanitized_user_login, $user_email) {
                 if ($ct_result->allow == 0) {
                     $wordpress_domain = preg_replace("/^https?:\/\//", "", site_url());
-            -
                    $errors->add('ct_error', __($ct_result->comment, $wordpress_domain));
                 } else {
                     if ($ct_result->id !== null) {
                         ct_init_session();
@@ -945,6 +983,125 @@ function ct_delete_user($user_id) {
+                }
+            }
             /**
              * Admin action 'admin_enqueue_scripts' - Enqueue admin script of reloading admin page after needed AJAX events
@@ -979,6 +1136,7 @@ function ct_admin_init() {
                 add_settings_field('cleantalk_registrations_test', __('Registration form', 'cleantalk'), 'ct_input_registrations_test', 'cleantalk', 'cleantalk_settings_anti_spam');
                 add_settings_field('cleantalk_comments_test', __('Comments form', 'cleantalk'), 'ct_input_comments_test', 'cleantalk', 'cleantalk_settings_anti_spam');
                 add_settings_field('cleantalk_formidable_test', __('Formidable Forms', 'cleantalk'), 'ct_input_formidable_test', 'cleantalk', 'cleantalk_settings_anti_spam');
+            }
             /**
@@ -1069,8 +1227,19 @@ function ct_input_registrations_test() {
                 echo "<input type='radio' id='cleantalk_registrations_test1' name='cleantalk_settings[registrations_test]' value='1' " . ($value == '1' ? 'checked' : '') . " /><label for='cleantalk_registrations_test1'> " . __('Yes') . "</label>";
                 echo '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
                 echo "<input type='radio' id='cleantalk_registrations_test0' name='cleantalk_settings[registrations_test]' value='0' " . ($value == '0' ? 'checked' : '') . " /><label for='cleantalk_registrations_test0'> " . __('No') . "</label>";
+            }
             /**
              * Admin callback function - Plugin parameters validator
@@ -1091,8 +1260,6 @@ function ct_settings_page() {
                         <?php settings_fields('cleantalk_settings'); ?>
                         <?php do_settings_sections('cleantalk'); ?>
                         <br>
-            -
                        <br>
-            -
                        <br>
                         <input name="Submit" type="submit" value="<?php esc_attr_e('Save Changes'); ?>" />
                     </form>
                 </div>


3	Plugin Name: Anti-spam by CleanTalk
4	Plugin URI: http://cleantalk.org/wordpress
5	Description: Invisible antispam for comments, registrations and feedbacks. The plugin doesn't use CAPTCHA, Q&A, math or quiz to stop spam bots.
6	+ Version: 2.25
7	Author: СleanTalk <welcome@cleantalk.ru>
8	Author URI: http://cleantalk.org
9	*/
10
11	+ $ct_agent_version = 'wordpress-225';
12	$ct_checkjs_frm = 'ct_checkjs_frm';
13	$ct_checkjs_register_form = 'ct_checkjs_register_form';
14	$ct_session_request_id_label = 'request_id';
15
16	+ $ct_checkjs_cf7 = 'ct_checkjs_cf7';
17	+ $ct_cf7_comment = 'This is a spam!';
18	+
19	+ // Comments
20	add_action('comment_form', 'ct_add_hidden_fields');
21	add_filter('preprocess_comment', 'ct_check'); // param - comment data array
22	+
23	+ // Formidable
24	add_action('frm_validate_entry', 'ct_frm_validate_entry', 20, 2);
25	add_action('frm_entries_footer_scripts', 'ct_frm_entries_footer_scripts', 20, 2);
26
27	+ // Registrations
28	add_action('register_form','ct_register_form');
29	add_filter('registration_errors', 'ct_registration_errors', 10, 3);
30	add_action('user_register', 'ct_user_register');
31
32	+ // BuddyPress
33	+ add_action('bp_before_registration_submit_buttons','ct_register_form');
34	+ add_filter('bp_signup_validate', 'ct_registration_errors');
35	+
36	+ // Contact Form7
37	+ add_filter('wpcf7_form_elements', 'ct_wpcf7_form_elements');
38	+ add_filter('wpcf7_spam', 'ct_wpcf7_spam');
39	+
40	if (is_admin()) {
41	add_action('admin_init', 'ct_admin_init', 1);
42	add_action('admin_menu', 'ct_admin_add_page');

76	'registrations_test' => '1',
77	'comments_test' => '1',
78	'formidable_test' => '1',
79	+ 'cf7_test' => '1',
80	'remove_old_spam' => '0',
81	'spam_store_days' => '31' // Days before delete comments from folder Spam
82	);

205	* Public action 'comment_form' - Adds hidden filed to define avaialbility of client's JavaScript
206	* @param int $post_id Post ID, not used
207	*/
208	+ function ct_add_hidden_fields($post_id = 0, $field_name = 'ct_checkjs', $return_string = false) {
209	$ct_checkjs_def = 0;
210	$ct_checkjs_key = ct_get_checkjs_value();
211

216
217	ct_init_session();
218	$_SESSION['formtime'] = time();
219	+ $html = '
220	+ <input type="hidden" id="%s" name="%s" value="0">

221	<script type="text/javascript">
222	// <![CDATA[
223	+ document.getElementById("%s").value = document.getElementById("%s").value.replace("%s", "%s");
224	// ]]>
225	</script>
226	+ ';
227	+ $html = sprintf($html, $field_name, $field_name, $field_name, $field_name, $ct_checkjs_def, $ct_checkjs_key);
228	+ if ($return_string === true) {
229	+ return $html;
230	+ } else {
231	+ echo $html;
232	+ }
233	}
234
235	/**

785	* Add descriptions for field
786	*/
787	function admin_addDescriptionsFields($descr = '') {
788	+ echo "<div style='color: #666 !important'>$descr</div>";
789	}
790
791	/**

872	* Test users registration
873	* @return array with errors
874	*/
875	+ function ct_registration_errors($errors, $sanitized_user_login = null, $user_email = null) {
876	+ global $ct_agent_version, $ct_checkjs_register_form, $ct_session_request_id_label, $bp;
877	+
878	+ //
879	+ // BuddyPress actions
880	+ //
881	+ $buddypress = false;
882	+ if ($sanitized_user_login === null && isset($_POST['signup_username'])) {
883	+ $sanitized_user_login = $_POST['signup_username'];
884	+ $buddypress = true;
885	+ }
886	+ if ($user_email === null && isset($_POST['signup_email'])) {
887	+ $user_email = $_POST['signup_email'];
888	+ $buddypress = true;
889	+ }
890	+
891	$options = ct_get_options();
892	if ($options['registrations_test'] == 0) {
893	return $errors;

944
945	if ($ct_result->allow == 0) {
946	$wordpress_domain = preg_replace("/^https?:\/\//", "", site_url());
947	+ if ($buddypress === true) {
948	+ $bp->signup->errors['signup_username'] = $ct_result->comment;
949	+ } else {
950	+ $errors->add('ct_error', __($ct_result->comment, $wordpress_domain));
951	+ }
952	} else {
953	if ($ct_result->id !== null) {
954	ct_init_session();

983	}
984	}
985
986	+ /**
987	+ * Inserts anti-spam hidden to CF7
988	+ */
989	+ function ct_wpcf7_form_elements($html) {
990	+ global $ct_checkjs_cf7;
991	+ global $wpdb, $current_user, $ct_checkjs_cf7;
992	+
993	+ $options = ct_get_options();
994	+ if (ct_is_user_enable() === false \|\| $options['cf7_test'] == 0) {
995	+ return $html;
996	+ }
997	+
998	+ $html .= ct_add_hidden_fields(0, $ct_checkjs_cf7, true);
999	+
1000	+ return $html;
1001	+ }
1002	+
1003	+ /**
1004	+ * Test CF7 message for spam
1005	+ */
1006	+ function ct_wpcf7_spam($spam) {
1007	+ global $wpdb, $current_user, $ct_agent_version, $ct_checkjs_cf7, $ct_cf7_comment;
1008	+
1009	+ if ($spam === true)
1010	+ return $spam;
1011	+
1012	+ $options = ct_get_options();
1013	+ if (ct_is_user_enable() === false \|\| $options['cf7_test'] == 0) {
1014	+ return $spam;
1015	+ }
1016	+
1017	+ $checkjs = js_test($ct_checkjs_cf7);
1018	+
1019	+ require_once('cleantalk.class.php');
1020	+
1021	+ $example = null;
1022	+ $blog_lang = substr(get_locale(), 0, 2);
1023	+ $user_info = array(
1024	+ 'cms_lang' => $blog_lang,
1025	+ 'REFFERRER' => @$_SERVER['HTTP_REFERER'],
1026	+ 'USER_AGENT' => @$_SERVER['HTTP_USER_AGENT'],
1027	+ );
1028	+ $user_info = json_encode($user_info);
1029	+ if ($user_info === false)
1030	+ $user_info = '';
1031	+
1032	+ $post_info['comment_type'] = 'feedback';
1033	+ $post_info = json_encode($post_info);
1034	+ if ($post_info === false)
1035	+ $post_info = '';
1036	+
1037	+ $sender_email = null;
1038	+ $sender_nickname = null;
1039	+ $message = '';
1040	+ foreach ($_POST as $k => $v) {
1041	+ if ($sender_email === null && preg_match("/^\S+@\S+\.\S+$/", $v)) {
1042	+ $sender_email = $v;
1043	+ }
1044	+ if ($message === '' && preg_match("/-message$/", $k)) {
1045	+ $message = $v;
1046	+ }
1047	+ if ($sender_nickname === null && preg_match("/-name$/", $k)) {
1048	+ $sender_nickname = $v;
1049	+ }
1050	+ }
1051	+
1052	+ $config = get_option('cleantalk_server');
1053	+
1054	+ $ct = new Cleantalk();
1055	+ $ct->work_url = $config['ct_work_url'];
1056	+ $ct->server_url = $options['server'];
1057	+ $ct->server_ttl = $config['ct_server_ttl'];
1058	+ $ct->server_changed = $config['ct_server_changed'];
1059	+
1060	+ $ct_request = new CleantalkRequest();
1061	+
1062	+ $ct_request->auth_key = $options['apikey'];
1063	+ $ct_request->message = $message;
1064	+ $ct_request->example = $example;
1065	+ $ct_request->sender_email = $sender_email;
1066	+ $ct_request->sender_nickname = $sender_nickname;
1067	+ $ct_request->sender_ip = $ct->ct_session_ip($_SERVER['REMOTE_ADDR']);
1068	+ $ct_request->agent = $ct_agent_version;
1069	+ $ct_request->sender_info = $user_info;
1070	+ $ct_request->js_on = $checkjs;
1071	+ $ct_request->post_info = $post_info;
1072	+
1073	+ $ct_result = $ct->isAllowMessage($ct_request);
1074	+ if ($ct->server_change) {
1075	+ update_option(
1076	+ 'cleantalk_server', array(
1077	+ 'ct_work_url' => $ct->work_url,
1078	+ 'ct_server_ttl' => $ct->server_ttl,
1079	+ 'ct_server_changed' => time()
1080	+ )
1081	+ );
1082	+ }
1083	+ if ($ct_result->spam == 1) {
1084	+ $spam = true;
1085	+ $ct_cf7_comment = $ct_result->comment;
1086	+ add_filter('wpcf7_display_message', 'ct_wpcf7_display_message', 10, 2);
1087	+ }
1088	+
1089	+ return $spam;
1090	+ }
1091	+ /**
1092	+ * Changes CF7 status message
1093	+ * @param string $hook URL of hooked page
1094	+ */
1095	+
1096	+ function ct_wpcf7_display_message($message, $status) {
1097	+ global $ct_cf7_comment;
1098	+
1099	+ if ($status == 'spam') {
1100	+ $message = $ct_cf7_comment;
1101	+ }
1102	+
1103	+ return $message;
1104	+ }
1105
1106	/**
1107	* Admin action 'admin_enqueue_scripts' - Enqueue admin script of reloading admin page after needed AJAX events

1136	add_settings_field('cleantalk_registrations_test', __('Registration form', 'cleantalk'), 'ct_input_registrations_test', 'cleantalk', 'cleantalk_settings_anti_spam');
1137	add_settings_field('cleantalk_comments_test', __('Comments form', 'cleantalk'), 'ct_input_comments_test', 'cleantalk', 'cleantalk_settings_anti_spam');
1138	add_settings_field('cleantalk_formidable_test', __('Formidable Forms', 'cleantalk'), 'ct_input_formidable_test', 'cleantalk', 'cleantalk_settings_anti_spam');
1139	+ add_settings_field('cleantalk_cf7_test', __('Contact form 7', 'cleantalk'), 'ct_input_cf7_test', 'cleantalk', 'cleantalk_settings_anti_spam');
1140	}
1141
1142	/**

1227	echo "<input type='radio' id='cleantalk_registrations_test1' name='cleantalk_settings[registrations_test]' value='1' " . ($value == '1' ? 'checked' : '') . " /><label for='cleantalk_registrations_test1'> " . __('Yes') . "</label>";
1228	echo '     ';
1229	echo "<input type='radio' id='cleantalk_registrations_test0' name='cleantalk_settings[registrations_test]' value='0' " . ($value == '0' ? 'checked' : '') . " /><label for='cleantalk_registrations_test0'> " . __('No') . "</label>";
1230	+ admin_addDescriptionsFields(__('WordPress, BuddyPress', 'cleantalk'));
1231	}
1232
1233	+ /**
1234	+ * Admin callback function - Displays inputs of 'cf7_test' plugin parameter
1235	+ */
1236	+ function ct_input_cf7_test() {
1237	+ $options = ct_get_options();
1238	+ $value = $options['cf7_test'];
1239	+ echo "<input type='radio' id='cleantalk_cf7_test1' name='cleantalk_settings[cf7_test]' value='1' " . ($value == '1' ? 'checked' : '') . " /><label for='cleantalk_cf7_test1'> " . __('Yes') . "</label>";
1240	+ echo '     ';
1241	+ echo "<input type='radio' id='cleantalk_cf7_test0' name='cleantalk_settings[cf7_test]' value='0' " . ($value == '0' ? 'checked' : '') . " /><label for='cleantalk_cf7_test0'> " . __('No') . "</label>";
1242	+ }
1243
1244	/**
1245	* Admin callback function - Plugin parameters validator

1260	<?php settings_fields('cleantalk_settings'); ?>
1261	<?php do_settings_sections('cleantalk'); ?>
1262	<br>


1263	<input name="Submit" type="submit" value="<?php esc_attr_e('Save Changes'); ?>" />
1264	</form>
1265	</div>

i18n/cleantalk-es_ES.mo ADDED Viewed

Binary file

readme.txt CHANGED Viewed

	@@ -1,38 +1,44 @@
1	=== Anti-spam by CleanTalk ===
2	Contributors: znaeff, shagimuratov
3	- Tags: ~~spam,~~ antispam, anti-spam, ~~spambot,~~ spam~~-bot~~, ~~stop spam, spammers, spamfree,~~ captcha, ~~capcha~~, ~~captha~~, ~~catcha~~, ~~recaptcha~~, ~~comment~~, ~~comments~~, ~~math~~, ~~cloud~~, ~~blacklist,~~ ~~puzzle~~, ~~wpmu~~, ~~network~~, ~~multisite~~, ~~akismet~~, ~~спам, 垃圾邮件, correo no deseado~~, ~~forms~~, ~~formidable forms~~, ~~feedback~~, ~~registration~~
4	Requires at least: 3.0
5	Tested up to: 3.7.1
6	- Stable tag: 2.23
7	License: GPLv2
8	License URI: http://www.gnu.org/licenses/gpl-2.0.html
9
10	- ~~Invisible~~ ~~anti-spam~~ ~~without~~ ~~CAPTCHA. No spam in the~~ comments, ~~registration~~ and ~~feedback forms~~.
11
12	== Description ==
13	-
14	1. Stops spam bots in the comments.
15	1. Stops spam bots in the registration.
16	- 1. Stops spam bots at the ~~Formiadble~~ forms.
17	1. Invisible spam protection for visitors.
18	1. Anti-spam without CAPTCHA, math, puzzles or Q&A.
19
20	Plugin filters spam bots in the comments, spam moves to trash. The plugin is not visible for visitors and administrators of a blog. The plugin doesn't use CAPTCHA, Q&A, puzzles or math to stop spammers. It's simple and clever antispam for your blog.
21
22	- Also ~~every~~ comment from a new author plugin compares with post and previous comments. If the relevance of the comment is good enough it gets approval at the blog without manual approval.
23
24	- The plugin is a client application for anti-spam cloud service <a href="http://cleantalk.org" target="_blank">cleantalk.org</a>. CleanTalk.org daily prevents from spam 5000 blogs, blocks up to ~~400~~ 000 spam bots attacks and approves up to 4000 not spam comments.
25
26	The plugin is WordPress MultiUser (WPMU or WordPress network) compatible. Each blog in multisite environment has individual anitspam options for spam bots protection.
27
28	= Functions =
29	* Antispam protection for comments form.
30	- * Antispam protection for registration form.

31	* Antispam protection for <a href="http://wordpress.org/plugins/formidable/" target="_blank">Formiadble forms</a>.

32
33	= Requirements =
34	WordPress 3.0 at least. PHP 4, 5 with CURL or file_get_contents() function and enabled 'allow_url_fopen' setting. <a href="http://cleantalk.org/register?platform=wordpress">Sign up</a> to get an Access key.
35





36	== Installation ==
37
38	1. Download, install and activate the plugin.
	@@ -79,14 +85,19 @@ Plugin by default pass not spam pingbacks/trackbacks (sender host clear at <a hr
79	Use other antispam plugins not necessarily, because CleanTalk stops 99.99% of spam comments. But if necessary, the plugin can work together with Akismet, Captcha and etc.
80
81	== Screenshots ==
82	-
83	- 1. The comment from spammer (sender blacklisted by IP/Email, comment text not relevant for the post) prohibited to place in the queue WordPress
84	1. Not spam, not relevant to article comment has moved to approval.
85	- 1. Antispam stoppped spam bot at the registration form
86	- 1. Spam bot stopped at Formidable ~~feedback~~ form

87
88	== Changelog ==
89





90	= 2.23 2013-11-20 =
91	* New: Added automatic training blacklists on spam bot account deletion.
92	* New: Added URL to project homepage at plugin options.
	@@ -214,6 +225,11 @@ Use other antispam plugins not necessarily, because CleanTalk stops 99.99% of sp
214	* First version
215
216	== Upgrade Notice ==





217	= 2.23 2013-11-20 =
218	* New: Added automatic training blacklists on spam bot account deletion.
219	* New: Added URL to project homepage at plugin options.


1	=== Anti-spam by CleanTalk ===
2	Contributors: znaeff, shagimuratov
3	+ Tags: antispam, anti-spam, spam, captcha, comment, comments, wpmu, network, multisite, forms, registration, login, contact form, buddypress, admin, user, users, post, posts, wordpress, javascript, plugin
4	Requires at least: 3.0
5	Tested up to: 3.7.1
6	+ Stable tag: 2.25
7	License: GPLv2
8	License URI: http://www.gnu.org/licenses/gpl-2.0.html
9
10	+ Cloud antispam for comments, registrations and contacts.
11
12	== Description ==

13	1. Stops spam bots in the comments.
14	1. Stops spam bots in the registration.
15	+ 1. Stops spam bots in the contact forms.
16	1. Invisible spam protection for visitors.
17	1. Anti-spam without CAPTCHA, math, puzzles or Q&A.
18
19	Plugin filters spam bots in the comments, spam moves to trash. The plugin is not visible for visitors and administrators of a blog. The plugin doesn't use CAPTCHA, Q&A, puzzles or math to stop spammers. It's simple and clever antispam for your blog.
20
21	+ Also first comment from a new author plugin compares with post and previous comments. If the relevance of the comment is good enough it gets approval at the blog without manual approval.
22
23	+ The plugin is a client application for anti-spam cloud service <a href="http://cleantalk.org" target="_blank">cleantalk.org</a>. CleanTalk.org daily prevents from spam 5000 blogs, blocks up to 500 000 spam bots attacks and approves up to 4000 not spam comments.
24
25	The plugin is WordPress MultiUser (WPMU or WordPress network) compatible. Each blog in multisite environment has individual anitspam options for spam bots protection.
26
27	= Functions =
28	* Antispam protection for comments form.
29	+ * Antispam protection for standard WordPress registration form.
30	+ * Antispam protection for <a href="http://wordpress.org/plugins/buddypress/" target="_blank">BuddyPress</a> registration form.
31	* Antispam protection for <a href="http://wordpress.org/plugins/formidable/" target="_blank">Formiadble forms</a>.
32	+ * Antispam protection for <a href="http://wordpress.org/plugins/contact-form-7/" target="_blank">Contact form 7</a>.
33
34	= Requirements =
35	WordPress 3.0 at least. PHP 4, 5 with CURL or file_get_contents() function and enabled 'allow_url_fopen' setting. <a href="http://cleantalk.org/register?platform=wordpress">Sign up</a> to get an Access key.
36
37	+ = Translations =
38	+ * English
39	+ * Russian (ru_RU)
40	+ * Spain (es_ES) - thanks to Andrew Kurtis and <a href="http://www.webhostinghub.com/index-c.html?utm_expid=31925339-46.KEGZK8A6Q3yfZW0EUfEw5Q.1">WebHostingHub</a>
41	+
42	== Installation ==
43
44	1. Download, install and activate the plugin.

85	Use other antispam plugins not necessarily, because CleanTalk stops 99.99% of spam comments. But if necessary, the plugin can work together with Akismet, Captcha and etc.
86
87	== Screenshots ==
88	+ 1. The comment from spammer (sender blacklisted by IP/Email, comment text not relevant for the post) prohibited to place in the queue WordPress.

89	1. Not spam, not relevant to article comment has moved to approval.
90	+ 1. Antispam stoppped spam bot at the registration form.
91	+ 1. Spam bot stopped at Formidable contact form.
92	+ 1. Spam bot stopped at Contact form 7.
93
94	== Changelog ==
95
96	+ = 2.25 2013-11-27 =
97	+ * New: Added protection against spam bots for BuddyPress registrations.
98	+ * New: Added protection against spam bots for Contact form 7.
99	+ * New: Added Spanish (es_ES) translation.
100	+
101	= 2.23 2013-11-20 =
102	* New: Added automatic training blacklists on spam bot account deletion.
103	* New: Added URL to project homepage at plugin options.

225	* First version
226
227	== Upgrade Notice ==
228	+ = 2.25 2013-11-27 =
229	+ * New: Added protection against spam bots for BuddyPress registrations.
230	+ * New: Added protection against spam bots for Contact form 7.
231	+ * New: Added Spanish (es_ES) translation.
232	+
233	= 2.23 2013-11-20 =
234	* New: Added automatic training blacklists on spam bot account deletion.
235	* New: Added URL to project homepage at plugin options.

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Binary file

Spam protection, AntiSpam, FireWall by CleanTalk - Version 2.25

Version Description

Release Info

Code changes from version 2.23 to 2.25