# Firewall Allowlisting

If you are experiencing any access issues when using Orchestration Engine, make sure your network is not blocking http traffic to the following Emporix, Celonis and Make domains and subdomains:

### Emporix

* Emporix: [emporix.io](http://www.emporix.io/)
* Emporix API: [api.emporix.io](http://api.emporix.io/)
* Emporix Developer Portal: [app.emporix.io](http://app.emporix.io/)
* Emporix Management Dashboard : [dashboard.emporix.io](http://dashboard.emporix.io/)
* Emporix Forms UI : [oe.emporix.io/forms/](http://cxpf-ext.emporix.io/)
* Emporix SSO: [login.emporix.io](http://login.emporix.io/)
* Emporix Documentation: [developer.emporix.io](https://developer.emporix.io/)
* Emporix Inbound Webhooks: [signals.emporix.io](http://signals.emporix.io/)
* Emporix Outbound Events: [app.svix.com](http://app.svix.com/) - required for DCP customers only
* Emporix Corporate Website: [emporix.com](https://www.emporix.com/)

{% hint style="warning" %}
To start working with [api.emporix.io](http://api.emporix.io/), make sure to also allowlist its IP: 34.128.182.253.
{% endhint %}

### Celonis

* Celonis: [celonis.com](https://www.celonis.com)

{% hint style="warning" %}
If you work with Celonis, make sure the Emporix IPs are allowlisted with the [IP-based Access Restrictions](https://docs.celonis.com/en/ip-based-restrictions.html) as documented by the company.
{% endhint %}

### Make

* Emporix Make Environment: [emporix.integromat.celonis.com](http://emporix.integromat.celonis.com/)
* Make: [make.com](https://www.make.com)
* Integromat: [integromat.com](https://www.integromat.com) - additional access is needed for any Make Apps using OIDC Authorization Protocol

To allowlist the connection to and from Make from your internal IT system firewalls, use also these IP addresses:

* **Outgoing** = 3.71.148.202, 3.67.26.15, 3.70.0.157
* **Incoming** = 52.28.121.30, 52.28.253.94