Interface types on WatchGuard firewalls are not something to configure without planning and thought. The reason behind this is due to the system-generated aliases (blue font indicates system-generated items). When you create multiple interfaces with the same type, it is possible to overlap interfaces in your firewall policies.
WatchGuard
February 23, 2022 – The CSIA, National Security Agency, and FBI released a Joint Cyber Security Announcement today indicating that Cyclops Blink has been deployed to WatchGuard protected devices. This particularly insidious malware is thought to emanate from Sandworm, also known as Voodoo Bear, and said to originate from the Russian Main Center for Special Technologies.
