admin_23: how protect(SSL) the login.php??

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Hello forum,

 

so i have a certificate by Comodo and i would like protect the new area during the phase of login.php. So i have installed the contrib admin_23 to protect more my zone, and anything works fine. But then i'll insert my password and account the transaction goes with simple http:// protocol.

 

Is it possible modified the file login.php (i think..) to permit a transaction https:// ???

 

TIA

Marco