Identity-Aware Proxy (IAP) changes the way agents talk to services. It enforces trust at the edge, wrapping every request in identity checks before it touches your backend. But if the agent configuration isn’t right, you will chase ghosts in your logs.
Agent configuration for Identity-Aware Proxy starts with the basics: registering the agent, binding it to the right application, and ensuring it uses secure credentials. These credentials must live in a place the agent can read but attackers can’t. Even small mistakes here can block traffic cold. Use only updated service account keys or workload identity bindings. Control permissions with the principle of least privilege.
Once authentication works, enforce the correct routing. Agents behind IAP must know the protected resource’s exact URL and the project’s configuration. Mismatched IDs or wrong OAuth scopes will kill the connection. Review every flag and environment variable. IAP needs tokens signed against the right audience. Bad audience strings will break requests even when everything else looks right.