# Kerberos and PKI security enhancements for Agent Proxy

Aembit has released a new version of Agent Controller, version `1.23.2160`, with the following changes:

* Security enhancements for Kerberos and Aembit-managed PKI.

* Added the `AEMBIT_HTTP_PORT_DISABLED` environment variable to enable you to disable Agent Controller’s HTTP port.

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Updated Edge Components:

* Agent Proxy 1.23.2160

Updated Edge Packages:

* Helm Chart 1.23

* Terraform ECS module 1.23

See [Edge Components supported versions](/reference/edge-components/edge-component-supported-versions) for more details.