here are few possible processes can be interrupted because of security programs block QuickBooks Point of Sale ports. These are:

  • Electronic Funds Transfer:  Intuit Merchant Services  credit card processing

  • Database Server Manager: Capability to connect and basic record changes to the company file.

  • Intuit Entitlement Service: User validation and product license

 

Point of Sale automatically configures the firewall for you when firewall blocks connectivity between the server and client workstations.

 

Important

 

  • You need to possess Windows Administrator rights so as to perform the steps made public during this article.

  • If you're employing a third party security program, make certain to feature the Firewall Ports and workable files that QuickBooks Point of Sale need.

  • Contact the developer of your third party security program for steps on a way to add port and file exemptions.

CONFIGURE WINDOWS FIREWALL

  1. Press Windows + R to open the command.

  2. To open the control panel just type in control and click OK

  3. Set the "view by" to Small Icons and select Windows Firewall.

  4. Select Advanced Settings and click Inbound.

  5. Click New Rule.

  6. Select Port and click Next.

  7. Enter the port numbers and then click Next

  8. Select Allow Connection and then click Next.

  9. Name your firewall rule and click Finish

  10. Follow steps 5-9 to create a new Outbound Rule.

 

POINT OF SALE FIREWALL PORTS

 

PORT

PORT NUMBER

TCP(Incoming)

8040, 8443, 8036, 8035, 8025, 8024, 46228, 46225, 46216-46220, 46203, 2638, 443

UDP(Outgoing)

8036, 8035, 8024, 2638



You can get more detail about this by contacting our  QuickBooks Point of Sale Support Phone Number  1(855)-441-4417. Our experts will help you to fix all issues in QuickBooks.

 

Source- https://quickbooksblog.jimdo.com/2017/08/02/firewall-configuration-for-quickbooks-point-of-sale/