Dobermann being very friendly

Question
This is not my question patt which you have answered below, My question was how to make my friendly dog that is dobermann very aggressive & ferocious to protect my family.we want our dog to be aggressive & ferocious to strangers.how to cultivate a friendly dog to more aggressive & ferocious dog  , let me know about the various steps to be taken for that .
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Followup To
Question -
I have a 4 month old male dobermann dog in house. My Dog is very soft & friendly to everybody even to the strangers,But the basic intention of buying the dog is for security purpose. I want my dog to be aggressive & ferocious to the strangers. Please advice me how to get my dog like these behaviour mentioned.
Answer -
HELLO VENKAT
YOU DO NOT PURPOSELY WANT YOUR DOG TO ATTACK PEOPLE AND HAVE A HUGE LAW SUIT PURSUED ONTO YOU FOR HIGH FEES TO PAY?
U SHOULD OF BOUGHT A GERMAN SHEPHERD, THEY ARE NOT SOFT AND INSTINCTIVELY PROTECT HUMANELY AND DO NOT BITE BUT BARK TO LET YOU KNOW SOMEBODY IS APPROACHING SO U HAVE TIME TO PREPARE.
YOU CAN OF COURSE HAVE IT TRAINED IN PROTECTION TO BITE ON COMMAND, BUT THEN YOUR LIABLE IN A LAW SUIT IF THIS HAPPENS UNLESS U CAN PROVE A BURGLERLY OR HELD AT GUN POINT.
I DO NOT KNOW WHY ANYBODY WOULD TRULY WANT A PROTECTION DOG TO THE POINT IT WILL BITE ON COMMAND.?  MY SHEPHERDS ARE INTIMIDATING ENOUGH JUST LOOKING AT 6 OF THEM COMING AT YOU IN MY DRIVE WAY ANYTIME OF THE DAY, AT NIGHT ONLY ONE IS LOOSE THE MALE, GINO.  HE WILL NOT BITE, BUT WHEN LEFT OUT AT THE DOOR IN DARK , HE HEADS FOR THE CAR IN OUR DRIVE AND LETS US KNOW A PERSON/PERSONS IS THERE, DO NOT GET OUT TILL SOMEBODY COMES OUT, WE DO AND HE BACKS OFF AND IS FRIENDLY.  THIS IS WHAT YOU REALLY WANT A DOG THAT BARKS AND LOOKS SO FEARLESS BUT YET WILL NOT ATTACK.?
DOGS CAN CAUSE HUGE LAW SUITS, I HAVE A PACK OF DOGS I RUN DAILY, BUT ALSO I HAVE FENCING TO KEEP MYSELF PROTECTED AND A KENNEL LICENSE FROM THE STATE OF PA.  NOBODY CAN DO ANYTHING IF THEY BARK ALL NIGHT LONG AND SOME NIGHTS THEY DO ALOT OF IT.
MY DOGS DO NOT BITE, I AM A BIG BREEDER AND THE LAST THING I WANT IS ONE OF MY DOGS TO BITE, ONLY IN PLAY THEY NIP TO LET GO OF THE TENNIS BALL.  JUST OWNING A DOG FOR INTIMADATION IS ENOUGH FOR ANYONE FAMILY.  PLACE SIGNS UP DOG AT LARGE, BEWARE OF DOG, DOG WILL BITE, ETC.  THAT IS ENOUGH FOR PROTECTION, TRUST ME.
JUST OWNING A LARGE TYPE OF DOG THAT BARKS SHOULD SCARE ANYBODY OFF AND WITH LITES THAT COME ON THAT SHOULD PROTECT YOU FULLY, TRUST ME.  MY DOGS ARE KENNELED AT NIGHT AND I HEAR THEM BARK, MOSTLY AT BUNNIES, AND WHATEVER PROULS AT NIGHT, BUT THEY LET US KNOW ITS OUT THERE, I TURN ON THE PORCH LITE AND LET GINO MY STUD DOG OUT TO CHECK THINGS OUT.
WE HAVE NEVER BEEN ROBBED NOR HARMED AND WE OWN AN AUTO DETAILING BUSINESS ALSO.  DOG OR SHEPHERD BREEDING IS A LOVE HOBBY THAT PROTECTS UP BETTER THAN A GUN, JUST BARKING.

WARM REGARDS
PATT
WWW.SCHREKNHAUS.COM
CHECK OUT MY SITE ON JUST FOR FUN, PLAYFUL PAGE, ETC.  FUN DOGS THAT PROTECT NATURALLY!

Answer
HI
'SORRY THIS SITE HAS BEEN UP AND DOWN AND I COULD NOT GET ONTO IT.
WHAT I PERSONALLY SUGGEST IS A TRAINER OF PROTECTION WORK.  THEY TRAIN DOGS TO BITE OR ATTACK ON COMMAND OF A CERTAIN WORD
I COULD TELL YOU BUT I PREFER NOT TO OVER THE NET.  I DO SUGGEST U HIRE OR PUT THE DOG IN PROTECTION TRAINING WITH A TRAINER THAT DOES THIS FOR A FEE AND THEY DO IT WELL FOR A COUPLE OF MY PUPPIES HAVE BEEN TRAINED BY A \TRAINER IN GEORGIA THAT CAME TO PITTSBURGH, PA AND WORKED A WEEK AT A TIME.  THE DOGS ARE FEARLESS AND WELL BEHAVED, BUT IF NEED BE THEY WILL BITE. TYPE IN GOOGLE.COM SEARCH FOR PROTECTION TRAINER.

WARM REGARDS
PATT
WWW.SCHREKNHAUS.COM