Binary package “strongswan-plugin-led” in ubuntu trusty

strongSwan plugin for LEDs blinking on IKE activity

 The strongSwan VPN suite uses the native IPsec stack in the standard
 Linux kernel. It supports both the IKEv1 and IKEv2 protocols.
 .
 This package provides the strongSwan plugin for letting the Linux LED subsystem
 blink LEDs on IKE activity.