- Based on this, udptunnel is a a simple but flexible VPN program which
- uses ssh for authentication and key exchange but sends the packets
- over UDP. (Other VPN-over-ssh programs typically do PPP-over-TCP,
- which yields poor perfoormance.) Note that udptunnel is not IPSEC.
- .
- The default configuration does set up any users with permission to
- create network interfaces such as VPN endpoints.
+ ipif - allow non-root users to create network interfaces
+ mailq - allow users to view the mail queue
+ ndc-reload - allow certain users to reload the nameserver
+ checkpasswd-* - allow users to run a UNIX password check