From 4f5389fee5ae97630a6f68d2823378011e66345d Mon Sep 17 00:00:00 2001
From: "Serg G. Brester" <github@sebres.de>
Date: Thu, 24 Nov 2016 19:30:10 +0100
Subject: [PATCH] Update jail.conf

---
 config/jail.conf | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/config/jail.conf b/config/jail.conf
index 41d8d3b8..7200f4eb 100644
--- a/config/jail.conf
+++ b/config/jail.conf
@@ -810,8 +810,9 @@ maxretry = 1
 [pass2allow-ftp]
 # this pass2allow example allows FTP traffic after successful HTTP authentication
 port         = ftp,ftp-data,ftps,ftps-data
-# knocking_url variable must be overridden to some secret value in filter.d/apache-pass.local
-filter       = apache-pass
+# knocking_url variable must be overridden to some secret value in jail.local
+knocking_url = /knocking/
+filter       = apache-pass[knocking_url="%(knocking_url)s"]
 # access log of the website with HTTP auth
 logpath      = %(apache_access_log)s
 blocktype    = RETURN