From efcf71cc578ba88ca73b5b2aea0838e0299f9784 Mon Sep 17 00:00:00 2001
From: Ruben Kerkhof <ruben@rubenkerkhof.com>
Date: Wed, 4 Feb 2015 11:07:44 +0100
Subject: [PATCH] Give recursor its own read-only mount namespace

/usr and /etc are mounted read-only
---
 contrib/systemd-pdns-recursor.service | 1 +
 1 file changed, 1 insertion(+)

diff --git a/contrib/systemd-pdns-recursor.service b/contrib/systemd-pdns-recursor.service
index b257f66422..e1d9420bef 100644
--- a/contrib/systemd-pdns-recursor.service
+++ b/contrib/systemd-pdns-recursor.service
@@ -11,6 +11,7 @@ PrivateTmp=true
 PrivateDevices=true
 CapabilityBoundingSet=CAP_NET_BIND_SERVICE
 NoNewPrivileges=true
+ProtectSystem=full
 
 [Install]
 WantedBy=multi-user.target
-- 
2.47.2