N-central Help

Set up the firewall to allow traffic to domains

To ensure the flow of information between the SolarWinds N-central server and outside sources, ensure the following domains and URLs are added to your firewall whilte list. These domains are needed for outbound communication.


The SolarWinds MSP internal FTP server where a partner can upload and download files such as logs, executables and scripts.

This is also the location where you download scripts from Scripto for additional troubleshooting tools for SolarWinds N-central.

Ports required: TCP 20 and 21, ports above UDP 1024 for passive transfer.


A repository of XML files. Each XML lists download links for .exe, patches and so on.

For example, when the agent is installed on a device and it needs to download AV Defender, the agent goes to http://sis.n-able.com/GenericFiles.xml and get the link to download the files compatible for the agent version.

Ports required: TCP 80

  All domains below requires port TCP 443.
update.n-able.com The location where SolarWinds N-central obtains the NSP file for upgrade. It also has .ISO, vdh.gz files for a SolarWinds N-central installation. There is also an alias of this domain at releases.n-able.com.
feeds.n-able.com The location where the SolarWinds N-central gets RSS feeds.
servermetrics.n-able.com When an SolarWinds N-central server is installed, all information about it is sent to the SolarWinds MSP internal Activation Server.
licensing.n-able.com Once the SolarWinds N-central server is validated, it communicates with the internal Activation Server to get the full license depending on the contract details.
push.n-able.com Used for Apple Push Notification service (APN) and CSR certificate request for Mobile Device Management.

Used for MDM installation, pushing profile to the target device

updatewarranty.com Used by SolarWinds N-central to check the warranty expiration dates of managed devices.
microsoft.com Used For Windows Update, which is needed for Patch Management or any other patch solution software.