From 6a77f0b8e1d52dff498fe14b460c26a92ff01416 Mon Sep 17 00:00:00 2001
From: "John L. Jegutanis" <erasmospunk@gmail.com>
Date: Thu, 5 Apr 2018 00:49:56 +0300
Subject: [PATCH] Add DROP_CLIENT env variable (#432)

This will disconnect any client based on their version string,
using a regular expression.
Useful for dropping buggy/unsupported clients.
---
 environment.rst | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/environment.rst b/environment.rst
index 1a0cdec..1342e57 100644
--- a/environment.rst
+++ b/environment.rst
@@ -201,6 +201,12 @@ These environment variables are optional:
 
   If you are not sure what this means leave it unset.
 
+.. envvar:: DROP_CLIENT
+
+  Set a regular expression to disconnect any client based on their
+  version string. For example to drop versions from 1.0 to 1.2 use
+  the regex ``1\.[0-2]\.\d+``.
+
 
 Resource Usage Limits
 =====================