diff --git a/include/cron.php b/include/cron.php
index ca9b5dff25..1607d4d95f 100644
--- a/include/cron.php
+++ b/include/cron.php
@@ -1,30 +1,26 @@
 <?php
 use \Friendica\Core\Config;
 
-require_once('include/photos.php');
-require_once('include/user.php');
-
 function cron_run(&$argv, &$argc){
 	global $a;
 
-	require_once('include/session.php');
 	require_once('include/datetime.php');
-	require_once('include/items.php');
-	require_once('include/Contact.php');
-	require_once('include/email.php');
-	require_once('include/socgraph.php');
-	require_once('mod/nodeinfo.php');
-	require_once('include/post_update.php');
+
+	// Poll contacts with specific parameters
+	if ($argc > 1) {
+		cron_poll_contacts($argc, $argv);
+		return;
+	}
 
 	$last = get_config('system','last_cron');
 
 	$poll_interval = intval(get_config('system','cron_interval'));
-	if(! $poll_interval)
+	if (! $poll_interval) {
 		$poll_interval = 10;
-
-	if($last) {
+	}
+	if ($last) {
 		$next = $last + ($poll_interval * 60);
-		if($next > time()) {
+		if ($next > time()) {
 			logger('cron intervall not reached');
 			return;
 		}
@@ -33,19 +29,16 @@ function cron_run(&$argv, &$argc){
 	logger('cron: start');
 
 	// run queue delivery process in the background
-
 	proc_run(PRIORITY_NEGLIGIBLE, "include/queue.php");
 
 	// run the process to discover global contacts in the background
-
 	proc_run(PRIORITY_LOW, "include/discover_poco.php");
 
 	// run the process to update locally stored global contacts in the background
-
 	proc_run(PRIORITY_LOW, "include/discover_poco.php", "checkcontact");
 
 	// Expire and remove user entries
-	cron_expire_and_remove_users();
+	proc_run(PRIORITY_MEDIUM, "include/cronjobs.php", "expire_and_remove_users");
 
 	// Check OStatus conversations
 	proc_run(PRIORITY_MEDIUM, "include/cronjobs.php", "ostatus_mentions");
@@ -59,14 +52,22 @@ function cron_run(&$argv, &$argc){
 	// update nodeinfo data
 	proc_run(PRIORITY_LOW, "include/cronjobs.php", "nodeinfo");
 
-	// once daily run birthday_updates and then expire in background
+	// Clear cache entries
+	proc_run(PRIORITY_LOW, "include/cronjobs.php", "clear_cache");
 
+	// Repair missing Diaspora values in contacts
+	proc_run(PRIORITY_LOW, "include/cronjobs.php", "repair_diaspora");
+
+	// Repair entries in the database
+	proc_run(PRIORITY_LOW, "include/cronjobs.php", "repair_database");
+
+	// once daily run birthday_updates and then expire in background
 	$d1 = get_config('system','last_expire_day');
 	$d2 = intval(datetime_convert('UTC','UTC','now','d'));
 
 	if($d2 != intval($d1)) {
 
-		update_contact_birthdays();
+		proc_run(PRIORITY_LOW, "include/cronjobs.php", "update_contact_birthdays");
 
 		proc_run(PRIORITY_LOW, "include/discover_poco.php", "update_server");
 
@@ -78,18 +79,9 @@ function cron_run(&$argv, &$argc){
 
 		proc_run(PRIORITY_MEDIUM, 'include/dbclean.php');
 
-		cron_update_photo_albums();
+		proc_run(PRIORITY_LOW, "include/cronjobs.php", "update_photo_albums");
 	}
 
-	// Clear cache entries
-	cron_clear_cache($a);
-
-	// Repair missing Diaspora values in contacts
-	cron_repair_diaspora($a);
-
-	// Repair entries in the database
-	cron_repair_database();
-
 	// Poll contacts
 	cron_poll_contacts($argc, $argv);
 
@@ -100,39 +92,6 @@ function cron_run(&$argv, &$argc){
 	return;
 }
 
-/**
- * @brief Update the cached values for the number of photo albums per user
- */
-function cron_update_photo_albums() {
-	$r = q("SELECT `uid` FROM `user` WHERE NOT `account_expired` AND NOT `account_removed`");
-	if (!dbm::is_result($r)) {
-		return;
-	}
-
-	foreach ($r AS $user) {
-		photo_albums($user['uid'], true);
-	}
-}
-
-/**
- * @brief Expire and remove user entries
- */
-function cron_expire_and_remove_users() {
-	// expire any expired accounts
-	q("UPDATE user SET `account_expired` = 1 where `account_expired` = 0
-		AND `account_expires_on` > '%s'
-		AND `account_expires_on` < UTC_TIMESTAMP()", dbesc(NULL_DATE));
-
-	// delete user and contact records for recently removed accounts
-	$r = q("SELECT * FROM `user` WHERE `account_removed` AND `account_expires_on` < UTC_TIMESTAMP() - INTERVAL 3 DAY");
-	if ($r) {
-		foreach($r as $user) {
-			q("DELETE FROM `contact` WHERE `uid` = %d", intval($user['uid']));
-			q("DELETE FROM `user` WHERE `uid` = %d", intval($user['uid']));
-		}
-	}
-}
-
 /**
  * @brief Poll contacts for unreceived messages
  *
@@ -272,157 +231,10 @@ function cron_poll_contacts($argc, $argv) {
 			logger("Polling ".$contact["network"]." ".$contact["id"]." ".$contact["nick"]." ".$contact["name"]);
 
 			if (($contact['network'] == NETWORK_FEED) AND ($contact['priority'] <= 3)) {
-				proc_run(PRIORITY_MEDIUM, 'include/onepoll.php', $contact['id']);
+				proc_run(PRIORITY_MEDIUM, 'include/onepoll.php', intval($contact['id']));
 			} else {
-				proc_run(PRIORITY_LOW, 'include/onepoll.php', $contact['id']);
+				proc_run(PRIORITY_LOW, 'include/onepoll.php', intval($contact['id']));
 			}
 		}
 	}
 }
-
-/**
- * @brief Clear cache entries
- *
- * @param App $a
- */
-function cron_clear_cache(App $a) {
-
-	$last = get_config('system','cache_last_cleared');
-
-	if($last) {
-		$next = $last + (3600); // Once per hour
-		$clear_cache = ($next <= time());
-	} else
-		$clear_cache = true;
-
-	if (!$clear_cache)
-		return;
-
-	// clear old cache
-	Cache::clear();
-
-	// clear old item cache files
-	clear_cache();
-
-	// clear cache for photos
-	clear_cache($a->get_basepath(), $a->get_basepath()."/photo");
-
-	// clear smarty cache
-	clear_cache($a->get_basepath()."/view/smarty3/compiled", $a->get_basepath()."/view/smarty3/compiled");
-
-	// clear cache for image proxy
-	if (!get_config("system", "proxy_disabled")) {
-		clear_cache($a->get_basepath(), $a->get_basepath()."/proxy");
-
-		$cachetime = get_config('system','proxy_cache_time');
-		if (!$cachetime) $cachetime = PROXY_DEFAULT_TIME;
-
-		q('DELETE FROM `photo` WHERE `uid` = 0 AND `resource-id` LIKE "pic:%%" AND `created` < NOW() - INTERVAL %d SECOND', $cachetime);
-	}
-
-	// Delete the cached OEmbed entries that are older than one year
-	q("DELETE FROM `oembed` WHERE `created` < NOW() - INTERVAL 3 MONTH");
-
-	// Delete the cached "parse_url" entries that are older than one year
-	q("DELETE FROM `parsed_url` WHERE `created` < NOW() - INTERVAL 3 MONTH");
-
-	// Maximum table size in megabyte
-	$max_tablesize = intval(get_config('system','optimize_max_tablesize')) * 1000000;
-	if ($max_tablesize == 0)
-		$max_tablesize = 100 * 1000000; // Default are 100 MB
-
-	if ($max_tablesize > 0) {
-		// Minimum fragmentation level in percent
-		$fragmentation_level = intval(get_config('system','optimize_fragmentation')) / 100;
-		if ($fragmentation_level == 0)
-			$fragmentation_level = 0.3; // Default value is 30%
-
-		// Optimize some tables that need to be optimized
-		$r = q("SHOW TABLE STATUS");
-		foreach($r as $table) {
-
-			// Don't optimize tables that are too large
-			if ($table["Data_length"] > $max_tablesize)
-				continue;
-
-			// Don't optimize empty tables
-			if ($table["Data_length"] == 0)
-				continue;
-
-			// Calculate fragmentation
-			$fragmentation = $table["Data_free"] / ($table["Data_length"] + $table["Index_length"]);
-
-			logger("Table ".$table["Name"]." - Fragmentation level: ".round($fragmentation * 100, 2), LOGGER_DEBUG);
-
-			// Don't optimize tables that needn't to be optimized
-			if ($fragmentation < $fragmentation_level)
-				continue;
-
-			// So optimize it
-			logger("Optimize Table ".$table["Name"], LOGGER_DEBUG);
-			q("OPTIMIZE TABLE `%s`", dbesc($table["Name"]));
-		}
-	}
-
-	set_config('system','cache_last_cleared', time());
-}
-
-/**
- * @brief Repair missing values in Diaspora contacts
- *
- * @param App $a
- */
-function cron_repair_diaspora(App $a) {
-	$r = q("SELECT `id`, `url` FROM `contact`
-		WHERE `network` = '%s' AND (`batch` = '' OR `notify` = '' OR `poll` = '' OR pubkey = '')
-			ORDER BY RAND() LIMIT 50", dbesc(NETWORK_DIASPORA));
-	if (dbm::is_result($r)) {
-		foreach ($r AS $contact) {
-			if (poco_reachable($contact["url"])) {
-				$data = probe_url($contact["url"]);
-				if ($data["network"] == NETWORK_DIASPORA) {
-					logger("Repair contact ".$contact["id"]." ".$contact["url"], LOGGER_DEBUG);
-					q("UPDATE `contact` SET `batch` = '%s', `notify` = '%s', `poll` = '%s', pubkey = '%s' WHERE `id` = %d",
-						dbesc($data["batch"]), dbesc($data["notify"]), dbesc($data["poll"]), dbesc($data["pubkey"]),
-						intval($contact["id"]));
-				}
-			}
-		}
-	}
-}
-
-/**
- * @brief Do some repairs in database entries
- *
- */
-function cron_repair_database() {
-
-	// Sometimes there seem to be issues where the "self" contact vanishes.
-	// We haven't found the origin of the problem by now.
-	$r = q("SELECT `uid` FROM `user` WHERE NOT EXISTS (SELECT `uid` FROM `contact` WHERE `contact`.`uid` = `user`.`uid` AND `contact`.`self`)");
-	if (dbm::is_result($r)) {
-		foreach ($r AS $user) {
-			logger('Create missing self contact for user '.$user['uid']);
-			user_create_self_contact($user['uid']);
-		}
-	}
-
-	// Set the parent if it wasn't set. (Shouldn't happen - but does sometimes)
-	// This call is very "cheap" so we can do it at any time without a problem
-	q("UPDATE `item` INNER JOIN `item` AS `parent` ON `parent`.`uri` = `item`.`parent-uri` AND `parent`.`uid` = `item`.`uid` SET `item`.`parent` = `parent`.`id` WHERE `item`.`parent` = 0");
-
-	// There was an issue where the nick vanishes from the contact table
-	q("UPDATE `contact` INNER JOIN `user` ON `contact`.`uid` = `user`.`uid` SET `nick` = `nickname` WHERE `self` AND `nick`=''");
-
-	// Update the global contacts for local users
-	$r = q("SELECT `uid` FROM `user` WHERE `verified` AND NOT `blocked` AND NOT `account_removed` AND NOT `account_expired`");
-	if (dbm::is_result($r))
-		foreach ($r AS $user)
-			update_gcontact_for_user($user["uid"]);
-
-	/// @todo
-	/// - remove thread entries without item
-	/// - remove sign entries without item
-	/// - remove children when parent got lost
-	/// - set contact-id in item when not present
-}
diff --git a/include/cronjobs.php b/include/cronjobs.php
index 5cc2bf1323..4c41f182fe 100644
--- a/include/cronjobs.php
+++ b/include/cronjobs.php
@@ -8,10 +8,16 @@ function cronjobs_run(&$argv, &$argc){
 	require_once('include/ostatus.php');
 	require_once('include/post_update.php');
 	require_once('mod/nodeinfo.php');
+	require_once('include/photos.php');
+	require_once('include/user.php');
+	require_once('include/socgraph.php');
 
 	// No parameter set? So return
-	if ($argc <= 1)
+	if ($argc <= 1) {
 		return;
+	}
+
+	logger("Starting cronjob ".$argv[1], LOGGER_DEBUG);
 
 	// Check OStatus conversations
 	// Check only conversations with mentions (for a longer time)
@@ -39,5 +45,250 @@ function cronjobs_run(&$argv, &$argc){
 		return;
 	}
 
+	// Expire and remove user entries
+	if ($argv[1] == 'expire_and_remove_users') {
+		cron_expire_and_remove_users();
+		return;
+	}
+
+	if ($argv[1] == 'update_contact_birthdays') {
+		update_contact_birthdays();
+		return;
+	}
+
+	if ($argv[1] == 'update_photo_albums') {
+		cron_update_photo_albums();
+		return;
+	}
+
+	// Clear cache entries
+	if ($argv[1] == 'clear_cache') {
+		cron_clear_cache($a);
+		return;
+	}
+
+	// Repair missing Diaspora values in contacts
+	if ($argv[1] == 'repair_diaspora') {
+		cron_repair_diaspora($a);
+		return;
+	}
+
+	// Repair entries in the database
+	if ($argv[1] == 'repair_database') {
+		cron_repair_database();
+		return;
+	}
+
+	logger("Xronjob ".$argv[1]." is unknown.", LOGGER_DEBUG);
+
 	return;
 }
+
+/**
+ * @brief Update the cached values for the number of photo albums per user
+ */
+function cron_update_photo_albums() {
+	$r = q("SELECT `uid` FROM `user` WHERE NOT `account_expired` AND NOT `account_removed`");
+	if (!dbm::is_result($r)) {
+		return;
+	}
+
+	foreach ($r AS $user) {
+		photo_albums($user['uid'], true);
+	}
+}
+
+/**
+ * @brief Expire and remove user entries
+ */
+function cron_expire_and_remove_users() {
+	// expire any expired accounts
+	q("UPDATE user SET `account_expired` = 1 where `account_expired` = 0
+		AND `account_expires_on` > '%s'
+		AND `account_expires_on` < UTC_TIMESTAMP()", dbesc(NULL_DATE));
+
+	// delete user and contact records for recently removed accounts
+	$r = q("SELECT * FROM `user` WHERE `account_removed` AND `account_expires_on` < UTC_TIMESTAMP() - INTERVAL 3 DAY");
+	if (dbm::is_result($r)) {
+		foreach($r as $user) {
+			q("DELETE FROM `contact` WHERE `uid` = %d", intval($user['uid']));
+			q("DELETE FROM `user` WHERE `uid` = %d", intval($user['uid']));
+		}
+	}
+}
+
+/**
+ * @brief Clear cache entries
+ *
+ * @param App $a
+ */
+function cron_clear_cache(App $a) {
+
+	$last = get_config('system','cache_last_cleared');
+
+	if ($last) {
+		$next = $last + (3600); // Once per hour
+		$clear_cache = ($next <= time());
+	} else {
+		$clear_cache = true;
+	}
+
+	if (!$clear_cache) {
+		return;
+	}
+
+	// clear old cache
+	Cache::clear();
+
+	// clear old item cache files
+	clear_cache();
+
+	// clear cache for photos
+	clear_cache($a->get_basepath(), $a->get_basepath()."/photo");
+
+	// clear smarty cache
+	clear_cache($a->get_basepath()."/view/smarty3/compiled", $a->get_basepath()."/view/smarty3/compiled");
+
+	// clear cache for image proxy
+	if (!get_config("system", "proxy_disabled")) {
+		clear_cache($a->get_basepath(), $a->get_basepath()."/proxy");
+
+		$cachetime = get_config('system','proxy_cache_time');
+		if (!$cachetime) {
+			$cachetime = PROXY_DEFAULT_TIME;
+		}
+		q('DELETE FROM `photo` WHERE `uid` = 0 AND `resource-id` LIKE "pic:%%" AND `created` < NOW() - INTERVAL %d SECOND', $cachetime);
+	}
+
+	// Delete the cached OEmbed entries that are older than one year
+	q("DELETE FROM `oembed` WHERE `created` < NOW() - INTERVAL 3 MONTH");
+
+	// Delete the cached "parse_url" entries that are older than one year
+	q("DELETE FROM `parsed_url` WHERE `created` < NOW() - INTERVAL 3 MONTH");
+
+	// Maximum table size in megabyte
+	$max_tablesize = intval(get_config('system','optimize_max_tablesize')) * 1000000;
+	if ($max_tablesize == 0) {
+		$max_tablesize = 100 * 1000000; // Default are 100 MB
+	}
+	if ($max_tablesize > 0) {
+		// Minimum fragmentation level in percent
+		$fragmentation_level = intval(get_config('system','optimize_fragmentation')) / 100;
+		if ($fragmentation_level == 0) {
+			$fragmentation_level = 0.3; // Default value is 30%
+		}
+
+		// Optimize some tables that need to be optimized
+		$r = q("SHOW TABLE STATUS");
+		foreach ($r as $table) {
+
+			// Don't optimize tables that are too large
+			if ($table["Data_length"] > $max_tablesize) {
+				continue;
+			}
+
+			// Don't optimize empty tables
+			if ($table["Data_length"] == 0) {
+				continue;
+			}
+
+			// Calculate fragmentation
+			$fragmentation = $table["Data_free"] / ($table["Data_length"] + $table["Index_length"]);
+
+			logger("Table ".$table["Name"]." - Fragmentation level: ".round($fragmentation * 100, 2), LOGGER_DEBUG);
+
+			// Don't optimize tables that needn't to be optimized
+			if ($fragmentation < $fragmentation_level) {
+				continue;
+			}
+
+			// So optimize it
+			logger("Optimize Table ".$table["Name"], LOGGER_DEBUG);
+			q("OPTIMIZE TABLE `%s`", dbesc($table["Name"]));
+		}
+	}
+
+	set_config('system','cache_last_cleared', time());
+}
+
+/**
+ * @brief Repair missing values in Diaspora contacts
+ *
+ * @param App $a
+ */
+function cron_repair_diaspora(App $a) {
+
+        $starttime = time();
+
+	$r = q("SELECT `id`, `url` FROM `contact`
+		WHERE `network` = '%s' AND (`batch` = '' OR `notify` = '' OR `poll` = '' OR pubkey = '')
+			ORDER BY RAND() LIMIT 50", dbesc(NETWORK_DIASPORA));
+	if (!dbm::is_result($r)) {
+		return;
+	}
+
+	foreach ($r AS $contact) {
+		// Quit the loop after 3 minutes
+		if (time() > ($starttime + 180)) {
+			return;
+		}
+
+		$server_url = poco_detect_server($contact["url"]);
+
+		if (($server_url != "") AND !poco_check_server($server_url)) {
+			continue;
+		}
+
+		if (!poco_reachable($contact["url"])) {
+			continue;
+		}
+
+		$data = probe_url($contact["url"]);
+		if ($data["network"] != NETWORK_DIASPORA) {
+			continue;
+		}
+
+		logger("Repair contact ".$contact["id"]." ".$contact["url"], LOGGER_DEBUG);
+		q("UPDATE `contact` SET `batch` = '%s', `notify` = '%s', `poll` = '%s', pubkey = '%s' WHERE `id` = %d",
+			dbesc($data["batch"]), dbesc($data["notify"]), dbesc($data["poll"]), dbesc($data["pubkey"]),
+			intval($contact["id"]));
+	}
+}
+
+/**
+ * @brief Do some repairs in database entries
+ *
+ */
+function cron_repair_database() {
+
+	// Sometimes there seem to be issues where the "self" contact vanishes.
+	// We haven't found the origin of the problem by now.
+	$r = q("SELECT `uid` FROM `user` WHERE NOT EXISTS (SELECT `uid` FROM `contact` WHERE `contact`.`uid` = `user`.`uid` AND `contact`.`self`)");
+	if (dbm::is_result($r)) {
+		foreach ($r AS $user) {
+			logger('Create missing self contact for user '.$user['uid']);
+			user_create_self_contact($user['uid']);
+		}
+	}
+
+	// Set the parent if it wasn't set. (Shouldn't happen - but does sometimes)
+	// This call is very "cheap" so we can do it at any time without a problem
+	q("UPDATE `item` INNER JOIN `item` AS `parent` ON `parent`.`uri` = `item`.`parent-uri` AND `parent`.`uid` = `item`.`uid` SET `item`.`parent` = `parent`.`id` WHERE `item`.`parent` = 0");
+
+	// There was an issue where the nick vanishes from the contact table
+	q("UPDATE `contact` INNER JOIN `user` ON `contact`.`uid` = `user`.`uid` SET `nick` = `nickname` WHERE `self` AND `nick`=''");
+
+	// Update the global contacts for local users
+	$r = q("SELECT `uid` FROM `user` WHERE `verified` AND NOT `blocked` AND NOT `account_removed` AND NOT `account_expired`");
+	if (dbm::is_result($r)) {
+		foreach ($r AS $user) {
+			update_gcontact_for_user($user["uid"]);
+		}
+	}
+
+	/// @todo
+	/// - remove thread entries without item
+	/// - remove sign entries without item
+	/// - remove children when parent got lost
+	/// - set contact-id in item when not present
+}
diff --git a/include/discover_poco.php b/include/discover_poco.php
index 2923cd01f1..d203cfd6b4 100644
--- a/include/discover_poco.php
+++ b/include/discover_poco.php
@@ -16,6 +16,7 @@ function discover_poco_run(&$argv, &$argc) {
 	- update_server: Frequently check the first 250 servers for vitality.
 	- update_server_directory: Discover the given server id for their contacts
 	- poco_load: Load POCO data from a given POCO address
+	- check_profile: Update remote profile data
 	*/
 
 	if (($argc > 2) && ($argv[1] == "dirsearch")) {
@@ -33,6 +34,8 @@ function discover_poco_run(&$argv, &$argc) {
 		$mode = 6;
 	} elseif (($argc > 5) && ($argv[1] == "poco_load")) {
 		$mode = 7;
+	} elseif (($argc == 3) && ($argv[1] == "check_profile")) {
+		$mode = 8;
 	} elseif ($argc == 1) {
 		$search = "";
 		$mode = 0;
@@ -42,7 +45,12 @@ function discover_poco_run(&$argv, &$argc) {
 
 	logger('start '.$search);
 
-	if ($mode == 7) {
+	if ($mode == 8) {
+		$profile_url = base64_decode($argv[2]);
+		if ($profile_url != "") {
+			poco_last_updated($profile_url, true);
+		}
+	} elseif ($mode == 7) {
 		if ($argc == 6) {
 			$url = base64_decode($argv[5]);
 		} else {
@@ -121,7 +129,9 @@ function update_server() {
 function discover_users() {
 	logger("Discover users", LOGGER_DEBUG);
 
-	$users = q("SELECT `url`, `created`, `updated`, `last_failure`, `last_contact`, `server_url` FROM `gcontact`
+	$starttime = time();
+
+	$users = q("SELECT `url`, `created`, `updated`, `last_failure`, `last_contact`, `server_url`, `network` FROM `gcontact`
 			WHERE `last_contact` < UTC_TIMESTAMP - INTERVAL 1 MONTH AND
 				`last_failure` < UTC_TIMESTAMP - INTERVAL 1 MONTH AND
 				`network` IN ('%s', '%s', '%s', '%s', '') ORDER BY rand()",
@@ -160,9 +170,9 @@ function discover_users() {
 		} else {
 			$server_url = poco_detect_server($user["url"]);
 		}
-		if (($server_url == "") OR poco_check_server($server_url, $gcontacts[0]["network"])) {
-			logger('Check user '.$user["url"]);
-			poco_last_updated($user["url"], true);
+		if ((($server_url == "") AND ($user["network"] == NETWORK_FEED)) OR poco_check_server($server_url, $user["network"])) {
+			logger('Check profile '.$user["url"]);
+			proc_run(PRIORITY_LOW, "include/discover_poco.php", "check_profile", base64_encode($user["url"]));
 
 			if (++$checked > 100) {
 				return;
@@ -171,6 +181,11 @@ function discover_users() {
 			q("UPDATE `gcontact` SET `last_failure` = '%s' WHERE `nurl` = '%s'",
 				dbesc(datetime_convert()), dbesc(normalise_link($user["url"])));
 		}
+
+		// Quit the loop after 3 minutes
+		if (time() > ($starttime + 180)) {
+			return;
+		}
 	}
 }
 
diff --git a/include/socgraph.php b/include/socgraph.php
index f43ad62d08..6baf22ad30 100644
--- a/include/socgraph.php
+++ b/include/socgraph.php
@@ -34,7 +34,7 @@ require_once("include/Photo.php");
  */
 function poco_load($cid, $uid = 0, $zcid = 0, $url = null) {
 	// Call the function "poco_load_worker" via the worker
-	proc_run(PRIORITY_LOW, "include/discover_poco.php", "poco_load", $cid, $uid, $zcid, base64_encode($url));
+	proc_run(PRIORITY_LOW, "include/discover_poco.php", "poco_load", intval($cid), intval($uid), intval($zcid), base64_encode($url));
 }
 
 /**
@@ -1769,7 +1769,7 @@ function poco_discover($complete = false) {
 			}
 
 			logger('Update directory from server '.$server['url'].' with ID '.$server['id'], LOGGER_DEBUG);
-			proc_run(PRIORITY_LOW, "include/discover_poco.php", "update_server_directory", $server['id']);
+			proc_run(PRIORITY_LOW, "include/discover_poco.php", "update_server_directory", intval($server['id']));
 
 			if (!$complete AND (--$no_of_queries == 0)) {
 				break;
@@ -2018,7 +2018,7 @@ function get_gcontact_id($contact) {
 
 	if ($doprobing) {
 		logger("Last Contact: ". $last_contact_str." - Last Failure: ".$last_failure_str." - Checking: ".$contact["url"], LOGGER_DEBUG);
-		proc_run(PRIORITY_LOW, 'include/gprobe.php', bin2hex($contact["url"]));
+		#proc_run(PRIORITY_LOW, 'include/gprobe.php', bin2hex($contact["url"]));
 	}
 
 	if ((dbm::is_result($r)) AND (count($r) > 1) AND ($gcontact_id > 0) AND ($contact["url"] != ""))