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Glossary

The words used in the console, the portal and these pages, in plain language. Each entry links to the page that explains it in full.

A – D

Term	Meaning
Address	A hostname people type into their browser to reach the portal, such as `apps.example.com`. One installation can answer on several addresses, each with its own brand and settings. See Tenancy & Branding.
ADC	Application delivery controller: a load balancer or reverse proxy appliance that sits in front of DartRelay. See Load balancer and ADC integration.
Administrator	Someone who signs in to the console to configure DartRelay. What each administrator may do is set by administrator roles.
Agentless	Nothing is installed on the hosts you publish from. DartRelay reaches them over Remote Desktop and standard Windows management. See Adding and preparing hosts.
Agreement	Terms of use a person must accept, shown at sign-in or on the portal. See Agreements.
Announcement	A notice shown to portal users, such as planned maintenance. See Announcements.
App group	Several applications from one host, published together. See Publishing applications.
Automatic launch	A rule that opens a resource by itself when someone arrives at an address. See Automatic launch and single-application portals.
Block	One piece of a sign-in or home page in the page builder: a heading, text, image, columns, the sign-in form, the apps panel and so on. See Building the sign-in and home pages.
Category	A group that resources are shown under on the portal, as panels, tabs or folders. A restricted category hides everything in it from people not granted it. See Categories, folders and icons.
Console	The administration website where DartRelay is configured.
Data directory	The `App_Data` folder inside the installation folder. It holds the server configuration file, the SQLite database if used, logs and the keys that protect stored passwords. See Server configuration file.
Desktop	A published resource that opens a whole Windows desktop from a host. See Desktops and web applications.
Device	A browser on a computer, recognised by a long-lived cookie. The unit a Relay Seat counts. See Licensing and Relay Seats.
Directory	An Active Directory domain DartRelay accepts sign-ins from. Several can be listed. See Active Directory and multiple domains.
Drain	Taking one server in a pool out of service gently: it stops receiving new sessions while existing ones finish. See Running several servers.

E – L

Term	Meaning
Endpoint	An address and port DartRelay listens on, with its certificate. See Endpoints and certificates.
Extra	A percentage on a licence that allows a short burst above the licensed number of seats.
Favourites	Resources a user has starred so they appear in their own Favourites tab. See Opening applications and desktops.
File transfer	The file browser in a session that lets people move files in and out. See File transfer.
Grace	The days an installation keeps launching applications after its licence expires, or while it cannot reach the installation holding the licence.
Guest account	The one portal account visitors are silently signed in as on an address with guest access. See Guest access without a sign-in.
Host	A Windows machine, server or desktop edition, that runs the applications and desktops you publish.
Host readiness	DartRelay's check of whether a host can accept sessions: the Remote Desktop Session Host role, licensing, pending restarts and similar. See Readiness.
Idle timeout	How long a person may be away from the keyboard before they are signed out. See Session lifetimes and idle timeout.
Key holder	The installation that holds the product key when a licence is shared between installations. See Sharing one licence.
Let's Encrypt	A free certificate authority. DartRelay can obtain and renew certificates from it by itself. See Endpoints and certificates.
Licence strip	The notice above every console page as a licence nears expiry or runs on grace.

M – R

Term	Meaning
My Resources	The portal's list of everything a person may open.
Pass-Through	A resource setting where DartRelay logs on to the host as the person who signed in to the portal, rather than with fixed credentials. See Giving people access to resources.
Pool	Several DartRelay servers sharing one database behind a load balancer, serving one portal. Capacity and maintenance headroom, not failover. See Running several servers.
Portal	The website people sign in to and open their applications from.
Portal account	A user account created in DartRelay itself, rather than in Windows or a directory. See Users and groups.
Relay Pass	Passwordless Windows logon: DartRelay presents a short-lived certificate from your certificate authority to the host. See Relay Pass.
Relay Seat	One device with a live session. One device may run as many applications and desktops as it likes, on as many hosts, for one seat.
Remote Desktop Session Host	The Windows Server role that lets several people work on one host at once. DartRelay can install it for you. See Adding and preparing hosts.
Resource	Anything published on the portal: an application, a desktop or a web application.

S – Z

Term	Meaning
Session	A running connection from a browser tab to a host. Several applications can share one Windows session on a host.
Single-application portal	An address reduced to one application with no catalogue behind it. See Automatic launch and single-application portals.
Tenant	A customer, company or department served from one installation, with its own addresses, brand, seats and notices. See Tenancy & Branding.
Theme	The look of the portal: colours, images and the blocks of the sign-in and home pages. See Themes.
Trusted proxy	A load balancer or reverse proxy whose forwarded headers DartRelay believes. See Load balancer and ADC integration.
Two-factor authentication	A second check at sign-in: a code from an authenticator app or sent by email. See Two-factor authentication.
Web application	A published resource that opens a web address in a new browser tab, beside the Windows applications. See Desktops and web applications.

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