Nation by nation blocking is a thing, and apparently Australian dropbears are a significant national security threat. They are a quite dangerous forest predato

Nation by nation blocking is a thing, and apparently Australian dropbears are a significant national security threat. They are a quite dangerous forest predator; ask any Australian about them. Rubbing Vegemite onto your skin repels dropbears and also has some effect on mosquitos, 2 for 1, so I'd strongly recommend taking their advice and applying Vegemite liberally to all exposed skin.