If a dog suddenly rushes towards you as if it's going to bite, the first thing you should do is quickly move away and maintain a safe distance. It's crucial to avoid showing any signs of fear. Instead, try to project a dominant posture, or even pretend to strike the dog. If these methods don't work, consider using an item of clothing to cover the dog's head, which could give you the opportunity to escape.

When walking on the street or in a rural area, if a dog suddenly runs out and starts barking and appears to be aggressive, you should be aware and immediately try to get away as quickly as possible. This behavior often indicates the dog feels you are encroaching on its territory, posing a threat.
If the dog is already very close, it is imperative to remain calm, avoid shrinking away, or panicking. Remember to maintain a composed expression and posture and try to dominate the dog with your presence. Dogs often back down when they perceive you as unafraid, as they will assume you are more dominant.
Besides projecting confidence, one of the most effective strategies is to slowly crouch down and pretend to pick up an object to make it seem like you are going to hit it. This method has been shown to work extremely well with many rural mixed-breed dogs, and it is a technique that is often successful.
Additionally, when a dog is preparing to attack, you should quickly try to use any nearby object as a weapon or for defense. If there are no tools available, you can also take off your jacket or shirt, and if necessary, cover the dog’s head with it to prevent it from biting. Dogs often react with fear to sudden darkness, and this might allow you to escape.
By utilizing these techniques, and remembering to remain calm, you will be able to effectively handle an aggressive dog encounter, ensuring your safety and avoiding potentially dangerous situations.