SNAT’s are commonly referred to as port forwards on other vendor platforms. See how to create a typical RDP Port Forward from a known address in the latest WatchGuard blog post from JSCM Group.
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.
Static Network Address Translation