plz help in problem face me in my project {i'm begginer}

plz help but quikly i have web form is sepcial for certain login control i called it admin and in login view in this page contain hyperlinks hence i need to secure this web forms that is led to this hperlinks where when i writes it in the adress bar  no one can write this links easliy

in shortly i need to make it secure and add it to the domain of the login page {admin page} and no one can enter to it unless he login

 

 

thanks in advance pplz i need help              
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