--- /dev/null	2018-02-05 14:57:29.436074709 -0800
+++ tests/recipes/019_localhost	2018-02-06 00:45:59.964728931 -0800
@@ -0,0 +1,32 @@
+#!/bin/sh
+. $(dirname $0)/../test_library
+
+start() {
+  ../../src/stunnel -fd 0 <<EOT
+  debug = debug
+  syslog = no
+  pid = ${result_path}/stunnel.pid
+  output = ${result_path}/stunnel.log
+
+  [https client]
+  client = yes
+  accept = localhost:${http1}
+  connect = localhost:${https}
+
+  [https server]
+  accept = localhost:${https}
+  connect = localhost:${http2}
+  cert = ${script_path}/certs/stunnel.pem
+EOT
+}
+
+check_ports "019_localhost"
+if grep -q "IPv6" "results.log" && PATH="${PATH}:/sbin:/usr/sbin" ifconfig | grep -q "inet6" && [ -n "$(command -v ncat)" ] # nc does not support IPv6
+  then
+    start 2> "error.log"
+    test_log_for "019_localhost" "success" "$1" 2>> "stderr.log"
+    exit $?
+  else
+    exit_logs "019_localhost" "skipped"
+    exit 125
+  fi