---
title: "Firewall and Port Requirements"
slug: "firewall-and-port-requirements"
updated: 2024-07-18T18:55:01Z
published: 2024-07-18T18:55:01Z
canonical: "kb.expedient.com/firewall-and-port-requirements"
stale: true
---

> ## Documentation Index
> Fetch the complete documentation index at: https://kb.expedient.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Firewall and Port Requirements

You must open specific ports in the firewall to allow the Cohesity cluster to protect Microsoft 365 application and the following table lists the required ports. For details on the Microsoft 365 endpoint URLs and IP address ranges, see [Office 365 URLs and IP address ranges in Microsoft 365](https://docs.microsoft.com/en-us/microsoft-365/enterprise/urls-and-ip-address-ranges?view=o365-worldwide) documentation.

| Port | Source | Target | Direction | Network Protocol | Usage |
| --- | --- | --- | --- | --- | --- |
| 80/443 | Cohesity cluster | Microsoft 365 Services | Outgoing | TCP | For the Cohesity cluster to communicate with Microsoft Graph and the following service endpoints: https://accounts.accesscontrol.windows.net https://<tenant>.onmicrosoft.com https://graph.microsoft.com/v1.0 https://graph.microsoft.com/beta https://outlook.office365.com https://<tenant>.sharepoint.com https://<tenant>-admin.sharepoint.com https://<tenant>-my.sharepoint.com login.microsoftonline.com |