135137138445 unable to remotely connect to the database due to disabling

The phenomenon and background of the problem

The software user asked us to ban 135,137,138,445 Dangerous port , These ports have not been configured before , I don't think it has any effect , After disabling, it is found that the program cannot remotely connect to the database of another server . Later, the related user interfaces were opened separately , But I don't know why 137,138 After the port, other ports cannot be connected remotely

What I want to achieve

Why is it forbidden 137,138 After the port, other ports cannot be connected remotely