feat: Protocol v1.1.0 theta-agent C2 integration, agent install wizard, OpenBao 403 fix, nmap discovery fix, and restored documentation

2026-08-03 02:18:09 -04:00
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+---
+layout: default
+title: Connecting Apps (Single Sign-On)
+description: A plain-language guide to OAuth/OIDC clients and single sign-on in SSO Manager.
+---
+
+# Connecting Apps (Single Sign-On)
+
+This page explains, in plain language, what happens when you "connect" an
+app to your SSO Manager so people can log into it with their existing
+account. For the technical endpoint/token detail, see the
+[OAuth reference](oauth.html).
+
+## What does "single sign-on" actually mean?
+
+Instead of every app you run having its own separate list of usernames and
+passwords, they all check with this SSO Manager instead. You log in once,
+here, and any connected app trusts that login — no separate password to
+remember or manage for each one. If you ever need to lock someone out
+everywhere at once, you do it in one place (deactivate their account here)
+instead of hunting down every app individually.
+
+The technology behind this is called **OAuth 2.0** and **OpenID Connect
+(OIDC)** — you'll see both names used, often together, referring to the
+same thing. You don't need to understand the protocol to use this page;
+what matters practically is the handful of concepts below.
+
+## What's a "client"?
+
+Every app you connect is registered here as a **client** — a single entry
+in the Directory representing that one app. Registering a client
+gives you a **Client ID** and **Client Secret**: think of these like a
+username and password, but for the *app itself* rather than for a person.
+You paste them into the other app's own "Single Sign-On" or "OIDC" setup
+screen, along with the discovery URL shown at the top of this page, and
+that app is now able to ask this SSO Manager to authenticate people on its
+behalf.
+
+**Treat the Client Secret like a password** — anyone who has it can
+impersonate that app when talking to your SSO Manager. If you ever suspect
+it's leaked, rotate it from the client's card.
+
+## What are "scopes"?
+
+**Scopes** control what information a connected app is allowed to ask for
+about the person logging in — their username, email, group memberships,
+and so on. Most apps tell you exactly which scopes they need in their own
+setup instructions; when in doubt, the default set (`openid`, `profile`,
+`email`, `groups`) covers what nearly every app expects.
+
+## "Restrict to Groups"
+
+By default, *any* account with an SSO Manager login can sign into a
+connected app. If that's not what you want — say, a home automation
+dashboard that only certain family members should reach — set **Restrict
+to Groups** on that client to one of your [groups](concepts-accounts.html).
+Only members of that group will be allowed to log into that particular
+app; everyone else gets turned away at the login step, even though their
+SSO Manager account still works everywhere else.
+
+## Redirect URIs
+
+A **Redirect URI** is the exact web address the connected app wants people
+sent back to once they've logged in here — it's a security measure so an
+attacker can't trick the login flow into redirecting somewhere else. The
+app's own setup instructions will tell you this value; copy it in exactly
+as given. If the app is reachable via more than one hostname (for example,
+because it sits behind [theta42/proxy](https://theta42.github.io/proxy/)),
+this field supports wildcard patterns — see the inline help under the
+field itself for the exact syntax.
+
+## Want more detail?
+
+This page intentionally skips the protocol-level detail (exact endpoint
+URLs, token formats, claim names). If you're troubleshooting a connection
+or building something against the API directly, see the
+[OAuth reference](oauth.html).
+
+[← Back to Home](index.html)