Crypto Tunnelled VPNs

server$ stunnel -v3 -a /opt/ssl-vpn/etc/vpn1 -v3  
        -p server.pem -f -D7 -d 443
        -L sudo pppd pppd debug noauth 10.0.0.1:10.0.0.2

client$ sudo pppd updetach debug noauth pty 
         "sudo -u sslvpn stunnel -v3 -a /opt/ssl-vpn/etc/vpn1
           -S0 -f -D7 -p client.pem -c -r server:443"