Page permalink Always use the following permalink when referencing this page. It will remain unchanged in future help versions. https://docs.sophos.com/nsg/sophos-firewall/19.0/Help/en-us/webhelp/onlinehelp/index.html?contextId=help_changes Your browser doesn’t support copying the link to the clipboard. Please copy it manually. Changes These are the new and changed help pages in this release. New pages There are no new pages. Changed pages See troubleshooting logs Add a RED interface system Was this page helpful? Thank you for your feedback Thank you for your feedback. Help us improve this page by giving us more information.