Allow specifying the ban bruteforcers limit in extmodule.conf

git-svn-id: http://yate.null.ro/svn/yate/trunk@5052 acf43c95-373e-0410-b603-e72c3f656dc1

share/scripts/banbrutes.php

@@ -27,6 +27,9 @@
 
   [scripts]
   banbrutes.php=
+    or
+  banbrutes.php=NNN
+    where NNN >= 2 is the number of failures causing a ban
  */
 
 // How many failures in a row cause a ban
@@ -268,6 +271,10 @@ Yate::Output(true);
 // Uncomment the next line to get debugging details
 //Yate::Debug(true);
 
+$n = round(1 * Yate::Arg());
+if ($n >= 2)
+    $ban_failures = $n;
+
 Yate::Watch("user.auth");
 Yate::Install("user.authfail",120);
 Yate::Install("engine.timer",150);