um3270 is a web client that provides authorized users with access to the MVS operating system. um3270 supports the following browsers:
• Macintosh: Internet Explorer version 6 or the latest version of Firefox
• Windows: The latest versions of Internet Explorer or Firefox
You can download Firefox and/or Internet Explorer for free from their respective websites, or you can download and install the GlbalProtect VPN client for Windows, Mac, or Linux from TERPware to continue to use the current 3270 client. For more information, see GlobalProtect VPN Client.
Please report issues with um3270 via the feedback link on the um3270 access page.