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

# Frequently Asked Questions (FAQs)

> Answers to common questions about CData Arc Cloud features and technical parameters.

export const siteNameShort = "Arc";

export const siteName = "CData Arc";

This page provides answers to common questions about features and technical parameters of {siteName} Cloud.

#### What static IP addresses does {siteNameShort} Cloud use?

{siteNameShort} Cloud uses a range of static IP addresses to communicate with external data sources. To ensure that {siteNameShort} Cloud can reach external servers in more restricted environments, you might need to whitelist the following static IP addresses.

| Region               | IP Addresses (CIDR) | IP Addresses (Range)          |
| -------------------- | ------------------- | ----------------------------- |
| US East              | 52.190.59.200/29    | 52.190.59.200 - 52.190.59.207 |
| Germany West Central | 4.184.63.64/28      | 4.184.63.64 - 4.184.63.79     |

#### How can I enable SFTP Server or OFTP Server support in my instance?

For security reasons, the ports for [SFTP Server](../connectors/sftp-server) and [OFTP Server](../connectors/oftp) are not enabled by default. To request that one or both of these servers be enabled for your instance, please reach out to **[arcsupport@cdata.com](mailto:arcsupport@cdata.com)**.

#### Is it possible to change the time zone that the server uses?

Yes, please reach out to **[arcsupport@cdata.com](mailto:arcsupport@cdata.com)** to request that a different time zone be configured for your instance.

#### Which connectors are not available in {siteNameShort} Cloud?

A few connectors in the on-premise version of {siteNameShort} are not available in {siteNameShort} Cloud. These are:

* API
* Database
* CData
* File
* FTP Server
* HL7 MLLP
* TCP Server

#### Are there currently any known {siteNameShort} Cloud service outages?

The {siteNameShort} Cloud <a href="https://status.cdata.com/" target="_blank">Status page</a> shows the current status and incident history for the application services.

#### How do I contact CData Technical Support?

The <a href="https://arc.cdata.com/support/submit.aspx" target="_blank">{siteName} Technical Support</a> contact form allows you to send a message to our Technical Support team. Alternatively, you can email **[arcsupport@cdata.com](mailto:arcsupport@cdata.com)** and a member of the team will respond.