buildroot/package/vtun/Config.in

config BR2_PACKAGE_VTUN
	bool "vtun"
	default n
	help
	  Tool for easily creating Virtual Tunnels over TCP/IP networks 
	  with traffic shaping, compression, and encryption.

	  It supports IP, PPP, SLIP, Ethernet and other tunnel types.

	  http://vtun.sourceforge.net/