Help center Troubleshooting Troubleshooting firewall issues with the Hubstaff Application 3 minutes Troubleshooting firewall issues with the Hubstaff Application If you’re experiencing issues with Hubstaff while using a firewall on your computer, make sure that our hostnames are added to your whitelist. The hosts the client uses are: hubstaff.com app.hubstaff.com hubstaff-production.s3.amazonaws.com client-api.hubstaff.com Please see here for more information on Windows Firewall settings. Related articles Fixing Hubstaff Desktop App Issues2FA Login issuesHow to Fix Sign-In IssuesHubstaff Desktop Timer Application Preferences and Settings