ource.namespace</code><br><code>values: ["default"]</code></td></tr><tr><td><code>source.principal</code></td><td>The identity of the source workload, requires mutual TLS enabled</td><td>HTTP and TCP</td><td><code>key: source.principal</code><br><code>values: ["cluster.local/ns/default/sa/productpage"]</code></td></tr><tr><td><code>request.auth.principal</code></td><td>The authenticated principal of the request.</td><td>HTTP only</td><td><code>key: request.auth.principal</code><br><code>values: ["accounts.m