ge</a>.</p><p>Istio exposes all standard <a href=https://www.envoyproxy.io/docs/envoy/latest/intro/arch_overview/security/rbac_filter#condition>Envoy attributes</a>.
Additionally, you can use the following extra attributes.</p><table><thead><tr><th>Attribute</th><th>Type</th><th>Value</th></tr></thead><tbody><tr><td><code>listener_direction</code></td><td>int64</td><td>Enumeration value for <a href=https://www.envoyproxy.io/docs/envoy/latest/api-v2/api/v2/core/base.proto#envoy-api-enum-core-trafficdirection