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  • The DHCP range was entered in the IP Filter tab in user security.  The access history showed a different IP Address for users which must be the router address instead of the device/computer.   Everyone’s IP filter was changed to match the router IP which didn’t work.  Do you have any suggestions regarding the use of IP filters and if there are specific firewall/network settings that must be in place for this to work.  I tried using different browsers, clearing the history, before attempting the logins.  

Hello ​@SGroff 

To effectively use IP filters and configure necessary firewall/network settings for Acumatica ERP, consider the following suggestions:

  • IP Filters :Limit the range of IP addresses from which users can sign in by specifying the range on the IP Filter tab of the Users form. Access will be denied for any user attempting to connect from an IP address outside this range
  • Firewall/Network Settings: Ensure the device running the Acumatica mobile app is connected to the same WiFi network as the computer hosting the Acumatica ERP instance.
  • Check the firewall settings to allow inbound connections from other devices on the local network. Use the "Allow an app through Windows Firewall" program to adjust these settings, ensuring that World Wide Web Services (HTTP) is selected
  • Depending on your network type, select the appropriate checkboxes for private or public networks in the firewall settings 

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