Show how to create a secure (ssh) VPN

src/etc/ppp/ppp.conf.sample

@@ -4,7 +4,7 @@
 #
 #	  Originally written by Toshiharu OHNO
 #
-# $OpenBSD: ppp.conf.sample,v 1.8 1998/09/23 07:30:58 todd Exp $
+# $OpenBSD: ppp.conf.sample,v 1.9 1998/10/03 13:12:40 brian Exp $
 #
 #################################################################
 
@@ -354,6 +354,17 @@ loop-in:
  set log phase lcp ipcp command
  allow mode direct
 
+# If you're going to create a tunnel through a public network, your VPN
+# should be set up something like this:
+#
+# /etc/ppp/secure (which should be executable) says:
+#   #! /bin/sh
+#   exec ssh whatevermachine /usr/sbin/ppp -direct loop-in
+#
+sloop:
+ load loop
+ set device !/etc/ppp/secure
+
 # If you wish to connect to a server that will dial back *without* using
 # the ppp callback facility (rfc1570), take advantage of the fact that
 # ppp doesn't look for carrier 'till `set login' is complete: