nt-does-not-have-identity>Client does not have identity</h4><p>Using authenticated identities in authorization policies is strongly recommended for security. However, if you have a
legacy system that does not support authentication, you may not have authenticated identities for your services.
You can still use Istio authorization to protect your services even without authenticated identities. The example below
shows that you can specify allowed source IP range in your authorization policy.</p><pre><code cla