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Firewall settings

To ensure the full operation of Caseware products used by your organization, you may need to add port exceptions to the Windows Defender Firewall.

To add a port exception:

In the Windows Defender Firewall settings, click Advanced settings.
On the left-hand pane, click Inbound Rules.
On the right-hand pane, click New Rule....
In the Rule Type dialog, select Port and click Next.
Select either TCP or UDP (whichever applies), then select Specific local ports and enter the applicable ports in the field. Click Next.
Select Allow the connection and click Next.
Select the profiles for which the rule should apply. Click Next.
Enter a name and optional description for the rule. Click Finish.

A port exception is added to the Windows Defender Firewall.

Default ports

The following describes the default ports for each listed product.

Working Papers

Port 50412 for SmartSync Presence Information. Required to pass SmartSync information to other workstations on the local network.
Port 80 for HTTP access. Required for client workstations to access the IIS web server where SmartSync Server is installed.
Port 443 for HTTPS access. Required for client workstations to access the IIS web server where SmartSync Server is installed.

Caseware Cloud

Cloud uses HTTP and HTTPS ports to communicate with Working Papers and requires a browser that supports SSL and TLS (1.2 and higher). See Disabling access to Caseware Cloud for older and unsupported browsers for more information.

DataStore (SQL)

Network license server

SmartSync Server

Separate file servers

TCP ports 135, 139 and 445 for communication between parent client files stored on separate servers.