Amazon DataSync network requirements
Configuring your network is an important step in setting up Amazon DataSync. Your network configuration depends on several factors, such as what kind of storage systems you're working with. It's also based on what kind of DataSync service endpoint that you plan to use.
Network requirements for on-premises, self-managed, other cloud, and edge storage
The following network requirements can apply to on-premises, self-managed, other cloud, and edge storage systems. These are typically storage systems that you manage or might be managed by another cloud provider.
Note
Depending on your network, you might need to allow traffic on ports other than what's listed here for your DataSync agent to connect with your storage.
| From | To | Protocol | Port | How it's used by DataSync |
|---|---|---|---|---|
| DataSync agent |
NFS file server |
TCP |
2049 (for NFS versions 4.1 and 4.0) 111 and 2049 (for NFS version 3.x) |
Mounts the NFS file server. DataSync supports NFS versions 3.x, 4.0, and 4.1. |
| DataSync agent |
SMB file server |
TCP |
139 or 445 |
Mounts the SMB file server. DataSync supports SMB versions 1.0 and later. For security reasons, we recommend using SMB version 3.0.2 or later. Earlier versions, such as SMB 1.0, contain known security vulnerabilities that attackers can exploit to compromise your data. |
| DataSync agent |
Object storage |
TCP |
443 (HTTPS) or 80 (HTTP) NoteDepending on your object storage, you might need to allow traffic on nonstandard HTTPS and HTTP ports (such as 8443 or 8080). |
Accesses your object storage. |
| DataSync agent | Hadoop cluster | TCP |
NameNode port (default is 8020) In most clusters, you can find this port number in the
|
Accesses the NameNodes in your Hadoop cluster. Specify the port used when creating an HDFS location. |
| DataSync agent | Hadoop cluster | TCP |
DataNode port (default is 50010) In most clusters, you can find this port number in the
|
Accesses the DataNodes in your Hadoop cluster. The DataSync agent automatically determines the port to use. |
| DataSync agent | Hadoop Key Management Server (KMS) | TCP | KMS port (default is 9600) | Accesses the KMS for your Hadoop cluster. |
| DataSync agent | Kerberos Key Distribution Center (KDC) server | TCP | KDC port (default is 88) | Authenticates with the Kerberos realm. This port is used only with HDFS and SMB locations that use Kerberos authentication. |
| DataSync agent | Storage system's management interface | TCP | Depends on your network | Connects to your storage system. DataSync Discovery uses this connection to collect information about your system. |
Network requirements for Amazon storage services
The network ports required for DataSync to connect to an Amazon storage service during a transfer vary.
| From | To | Protocol | Port |
|---|---|---|---|
| DataSync service |
Amazon EFS |
TCP |
2049 |
| DataSync service |
FSx for Windows File Server |
See file system access control for FSx for Windows File Server. |
|
| DataSync service |
FSx for Lustre |
||
| DataSync service | FSx for OpenZFS | ||
| DataSync service | FSx for ONTAP | TCP |
111, 635, and 2049 (NFS) 445 (SMB) |
| DataSync service | Amazon S3 | N/A (DataSync connects to S3 buckets on your behalf) | |
Network requirements for public service endpoints
Your agent VM requires access to the following endpoints to communicate with Amazon when using public service endpoints. If you use a firewall or router to filter or limit network traffic, configure your firewall or router to allow these service endpoints.
| From | To | Protocol | Port | How it's used | Endpoints accessed |
|---|---|---|---|---|---|
|
Your web browser |
DataSync agent |
TCP |
80 (HTTP) |
Allows your browser to obtain the DataSync agent's activation key. Once activated, DataSync closes the agent's port 80. Your agent doesn't require port 80 to be publicly accessible. The required level of access to port 80 depends on your network configuration. NoteYou can get the activation key without a connection between your browser and agent. For more information, see Getting an activation key. |
N/A |
| DataSync agent | Amazon | TCP |
443 (HTTPS) |
Activates your DataSync agent and associates it with your Amazon Web Services account. You can block the endpoint after activation. |
The
|
|
DataSync agent |
Amazon |
TCP |
443 (HTTPS) |
Allows communication between the DataSync agent and DataSync service endpoint. For information, see Choosing a service endpoint for your Amazon DataSync agent. |
The Data transfer endpoints:
|
| Your client | Amazon | TCP | 443 (HTTPS) | Allows you to make DataSync API requests. |
The
|
| DataSync agent | Amazon | TCP | 443 (HTTPS) | Allows the DataSync agent to get updates from Amazon. |
The
|
|
DataSync agent |
Domain Name Service (DNS) server |
TCP/UDP |
53 (DNS) |
Allows communication between the DataSync agent and DNS server. |
N/A |
|
DataSync agent |
Amazon |
TCP |
22 (Support channel) |
Allows Amazon Web Services Support to access your DataSync agent to help you troubleshoot issues. You don't need this port open for normal operation. |
Amazon Web Services Support channel:
|
| DataSync agent |
Network Time Protocol (NTP) server |
UDP |
123 (NTP) |
Allows local systems to synchronize the VM time to the host time. |
NTP:
NoteTo change the default NTP configuration of your VM agent to use a different NTP server using the local console, see Synchronizing the time on your VMware agent. |
Network requirements for VPC service endpoints
A virtual private cloud (VPC) endpoint provides a private connection between your agent and Amazon that doesn't cross the internet or use public IP addresses. This also helps prevent packets from entering or exiting the network. For more information, see Choosing a VPC service endpoint.
DataSync requires the following ports for your agent to use a VPC service endpoint.
| From | To | Protocol | Port | How it's used |
|---|---|---|---|---|
|
Your web browser |
Your DataSync agent |
TCP |
80 (HTTP) |
Allows your browser to obtain the agent activation key. Once activated, DataSync closes the agent's port 80. Your agent doesn't require port 80 to be publicly accessible. The required level of access to port 80 depends on your network configuration. NoteYou can get the activation key without a connection between your browser and agent. For more information, see Getting an activation key. |
|
DataSync agent |
Your DataSync VPC service endpoint To find the endpoint's IP address, open the Amazon VPC console |
TCP |
1024-1064 |
|
DataSync agent |
Your DataSync task's network interfaces To find the IP addresses of these interfaces, see Viewing your network interfaces. |
TCP |
443 (HTTPS) |
For data plane traffic. |
| DataSync agent |
Your DataSync VPC service endpoint |
TCP |
22 (Support channel) |
To allow Amazon Web Services Support to access your DataSync agent for troubleshooting. You don't need this port open for normal operation. |
The following diagram shows the ports required by DataSync when using VPC service endpoints.
