post_install() {
    # NetExtender needs to edit pppd script to automatically add route to sslvpn.
    /usr/sbin/netExtender -i
    echo
    echo "To allow non-root users to use NetExtender, run chmod -v u+s /usr/sbin/pppd"
}
post_remove() {
    echo
    echo "If you had allowed non-root users to use NetExtender, you may wish to run chmod -v u-s /usr/sbin/pppd"
}