diff --git a/.gitlab/tests/cram/generic/network_security.t b/.gitlab/tests/cram/generic/network_security.t
index 7efea22666..de3b2a8525 100644
--- a/.gitlab/tests/cram/generic/network_security.t
+++ b/.gitlab/tests/cram/generic/network_security.t
@@ -1,8 +1,22 @@
+Create R alias:
+
+  $ alias R="${CRAM_REMOTE_COMMAND:-}"
+
 Check that NO port is open from WAN:
 
   $ nmap --open 10.0.0.2 | grep open
   [1]
 
+Wait for services to become ready:
+
+$ R '
+  > timeout=10
+  > while [ $timeout -gt 0 ] && (! pgrep lighttpd >/dev/null || ! pgrep dnsmasq >/dev/null); do
+  >   sleep 1
+  >   timeout=$((timeout - 1))
+  > done
+  > '
+
 Check that only certain ports are open from LAN:
 
   $ nmap --exclude-ports T:5000 --open 192.168.1.1 | grep open