R81.20 Endpoint Security Web Management Administration Guide
Disabling or Enabling Windows Subsystem for Linux (WSL)
Windows Subsystem for Linux (WSL) is the scripting language in Windows 10 and higher. It makes it possible to run Linux binary executables under Windows. WSL has the potential for compromising security.
In the Policy view, go to Access > Application Control > Windows Sub-systms for Linux (WSL) Traffic
Select Allow Windows Sub-systms for Linux (WSL) Traffic or leave this option cleared.