Share 'entire male getting unwanted attention'

hi my alfie is an entire male who is 19 months, he keeps getting other male dogs coming to over to him in a very agressive manner. alfie is a very laid back dog, he has no fear or agression issues, in fact he is just a happy go lucky chap. on sunday a staffie made a beeline for him, and started attacking him, [alfie was just walking next to me at the time] luckily as he was next to me he didnt ge…