The following table lists URLs and ports that should be opened on your firewall for Malwarebytes on Windows version 4 devices to communicate properly with these servers. By default, these ports are open, but if you have customized your firewall verify the following rules are in place.
|www.malwarebytes.com:443||Used to verify connectivity to the Malwarebytes servers.|
|cleo.mb-internal.com:443||Used by the in-app purchase flow to simplify the process of upgrading or renewing your Malwarebytes Premium subscription.|
|links.malwarebytes.com:443||Used by the in-app purchase flow to simplify the process of upgrading or renewing your Malwarebytes Premium subscription.|
|iris.mwbsys.com:443||Used for serving in-app messaging, such as news about the latest threats, personalized reports, renewal reminders or other offers.|
|my-device.malwarebytes.com:443||Used to register your installation with Malwarebytes My Account portal, my.malwarebytes.com.|
|cdn.mwbsys.com:443||Used to deliver new updates and downloads to the Malwarebytes product.|
|sirius.mwbsys.com:443||Used to check for updates for both the product version and the protection database.|
Used to validate your Malwarebytes Premium subscription.
Used to validate threats against Malwarebytes Nebula servers for better protection and to reduce potential for detection of legitimate applications.