Firewall configuration guide

The following servers and ports can be opened in a firewall to allow Emsisoft products to operate properly. The associated IP addresses do not change frequently if your firewall only supports IP entries, but may change without warning. All connections are TCP out using HTTPS port 443:

• redir.emsisoft.com
• arctic.emsisoft.com
• update.emsisoft.com
• support.emsisoft.com
• cloudbroker.emsisoft.com

These two are aliases and regional, and IP addresses may change at any moment.

• dl.emsisoft.com
• cdn.emsisoft.com

For Emsisoft Management Console managed devices, please also see our Emsisoft Management Console User Guide.