Firepower web UI for Version 6.2.0 has been tested on the browsers listed in the following table:
Table 1 Supported Web Browsers
Required Enabled Options and Settings
Google Chrome 55
Mozilla Firefox 50
If you use a self-signed certificate on the Firepower Management
Center and the Login screen takes a long time to load, enter about:support in a Firefox web browser search bar and click Refresh Firefox. Note that you may lose existing Firefox settings when you refresh Firefox. For more information, see https://support.mozilla.org/en-US/kb/refresh-firefox-reset-add-ons-and-settings. The Firepower Management
Center uses a self-signed certificate by default; we recommend that you replace that certificate with a certificate signed by a trusted certificate authority. For more information on replacing server certificates, see the section on system configuration in the Firepower Management Center Configuration Guide for your version.
Microsoft Internet Explorer 10 and 11
If you use the Microsoft Internet Explorer 11 browser, you must disable Include local directory path when uploading files to server in your Internet Explorer settings through Tools > Internet Options > Security > Custom level ....
Apple Safari 8 and 9
Many browsers use Transport Layer Security (TLS) v1.3 by default. If you have an active SSL policy and your browser uses TLSv1.3, websites that support TLSv1.3 fail to load. As a workaround, configure your managed device to remove extension 43 (TLS 1.3) from ClientHello negotiation. See this software advisory for more information.
Screen Resolution Compatibility
When you access user interfaces to manage Firepower, we recommend using the screen resolutions in the table below. The user interfaces are compatible with lower resolutions, but a higher resolution optimizes the display.
Table 2 Recommended Screen Resolutions by Web Interface