problem with fps raycasting :(

Joyfull

when the FPS player shoots downwards he shoots himself and I don't want that. But if I make the player ignore raycasts (layer) then other players won't be able to shoot him. how can I make it such that the player can't shoot himself but other players can? I used a character controller for the player movement(as seen in Brackeys tutorial) and below is the code for the gun script. pls help cuz im new to coding :[

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using UnityEngine;

public class Gun : MonoBehaviour

{

  public float damage = 10f;

  public float range = 100f;

  public Camera fpsCam;

 

  void Update()

  {

    if (Input.GetButton("Fire1"))

    {

      Shoot();

    }

    void Shoot()

    {

      RaycastHit hit;

      if (Physics.Raycast(fpsCam.transform.position, fpsCam.transform.forward, out hit, range))

      {

        Debug.Log(hit.transform.name);

      }

    }

  }

}