Firewall Rules for Malwarebytes on Windows devices

Document created by dcollins Employee on Oct 17, 2018Last modified by jgolomb on Nov 9, 2018
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The following table lists ports and URLs that should be opened on your firewall for Malwarebytes on Windows 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.

 

URLPurpose
www.malwarebytes.com:443Used to verify connectivity to the Malwarebytes servers.
cleo.mb-internal.com:443Used by the in-app purchase flow to simplify the process of upgrading or renewing your Malwarebytes Premium subscription.
links.malwarebytes.com:443Used by the in-app purchase flow to simplify the process of upgrading or renewing your Malwarebytes Premium subscription.
iris.mwbsys.com:443Used for serving in-app messaging, such as news about the latest threats, personalized reports, renewal reminders or other offers.
my-device.malwarebytes.com:443Used to register your installation with Malwarebytes My Account portal, my.malwarebytes.com.
cdn.mwbsys.com:443Used to deliver new updates and downloads to the Malwarebytes product.
sirius.mwbsys.com:443Used to check for updates for both the product version and the protection database.
keystone.mwbsys.com:443

Used to validate your Malwarebytes Premium subscription.

telemetry.mwbsys.com:443

Communicates telemetry and threat information to Malwarebytes servers. More information on our telemetry can be found on our Privacy Policy.

hubble.mb-cosmos.com:443

Used to validate threats against Malwarebytes cloud servers for better protection and to reduce potential for detection of legitimate applications.

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