---
title: "Connect an Edge Filer to a Portal over TCP 443"
slug: "how-to-9"
updated: 2026-06-15T08:40:55Z
published: 2026-06-15T08:40:55Z
canonical: "kb.ctera.com/how-to-9"
---

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

# Connect an Edge Filer to a Portal over TCP 443

## Connect an Edge Filer to a Portal over TCP 443

By default, a CTERA Edge Filer attempts to establish a connection and perform cloud backup and synchronization with CTERA Portal over port TCP 995. This can be configured to connect to the CTERA Portal over TCP 443 using either a proxy server or load balancer at the data center.

![Image](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-UJKC2YT0.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A27%3A27Z&se=2026-11-11T05%3A27%3A27Z&sr=c&sp=r&sig=f1RqrzQEZJ6uTIqv%2F9dkuDTZyN4iRQBon6BqzNVEfgw%3D)

### Step-by-step guide

Note

Only HTTPS proxies that support the CONNECT method can be used.

### To set up an edge filer to use a proxy server:

1. In the **Configuration** tab's navigation pane, click **System > Network.**  

The **Network** page is displayed.
2. Click **Settings.**  

The **Network Configuration Manager** opens displaying the **Network** tab.
3. Click the **Proxy** option.  

The proxy configuration is displayed.
4. For **Proxy Settings**, select **Use HTTP Proxy** and configure the appropriate settings.
5. Click **Save.**

### Related articles

[Change the Device Connectivity Port from TCP 995](/v1/docs/deploy-a-smb-container-storage-interface-csi-driver)