X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fgprobe.php;h=84292f263affb3fb7d6daed93f566674f20f2e38;hb=12d9c46ec5ba0b0d13f62058e8db4f3d4910ce27;hp=52c5483c87c2ef213f114fb88b5aa38a33f69f3c;hpb=e03a5ec76172bc007dd25068c0f162cc42ad4234;p=friendica.git

diff --git a/include/gprobe.php b/include/gprobe.php
index 52c5483c87..84292f263a 100644
--- a/include/gprobe.php
+++ b/include/gprobe.php
@@ -41,7 +41,23 @@ function gprobe_run(&$argv, &$argc){
 
 	if(! count($r)) {
 
+		// Is it a DDoS attempt?
+		$urlparts = parse_url($url);
+
+		$result = Cache::get("gprobe:".$urlparts["host"]);
+		if (!is_null($result)) {
+			$result = unserialize($result);
+			if (in_array($result["network"], array(NETWORK_FEED, NETWORK_PHANTOM))) {
+				logger("DDoS attempt detected for ".$urlparts["host"]." by ".$_SERVER["REMOTE_ADDR"].". server data: ".print_r($_SERVER, true), LOGGER_DEBUG);
+				return;
+			}
+		}
+
 		$arr = probe_url($url);
+
+		if (is_null($result))
+			Cache::set("gprobe:".$urlparts["host"],serialize($arr));
+
 		if(count($arr) && x($arr,'network') && $arr['network'] === NETWORK_DFRN) {
 			q("insert into `gcontact` (`name`,`url`,`nurl`,`photo`)
 				values ( '%s', '%s', '%s', '%s') ",