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Setting a master password in Firefox is helpful if your share your computer with others. We'll explain how it works.

Firefox can save usernames and passwords that you use to access online services, such as banking and email websites in the [[Password manager - Remember, delete and change saved passwords in Firefox|Password Manager]]. If you share a computer with anyone, it is recommended that you use a master password in order to prevent another user to acces your usernames and passwords. {note}Note that they are other privacy issues related to sharing a computer, see [[How do I share Firefox between people on a computer?]] for more details.{/note} Setting a master password allow Firefox to encrypt your usernames and password using [http://en.wikipedia.org/wiki/Triple_DES Triple Data Encryption Algorithm]. After you have defined a master password, you will be prompted to enter it : * the first time Firefox needs to access your passwords in order to connect you to a website, or you need to remember or remove a password, * each time you want to display your passwords list in the Password Manager. {for win}<br>[[Image:Master Password - Win1]]{/for} __TOC__ = Defining a master password = By default, Firefox does not use master passwords to protect stored credentials. To define a master password: # [[T:optionspreferences]] # Click the {menu [[Security and passwords settings|Security]]} panel. # Check mark '''Use a master password'''.{for win}[[Image:Master Password - Win2]]<br>{/for} The Change Master Password dialog appears. # Enter your master password. The Password quality meter will indicate the difficulty of guessing the password. To create a quality password, your master password should include the following: #* At least one capital letter. #* One or more digits. #* At least one non-alphanumeric character, such as the following: <nowiki>@ # $ % ^ & * ( )</nowiki>. #* Also, remember to make your password something that is easy for you to remember, but difficult for others to guess to ensure that you, and only you, will be able to retrieve this secure information. For more information on choosing passwords, see [[Create secure passwords to keep your identity safe]]. # Enter the password a second time to confirm that you can enter it consistently.{for win}[[Image:Master Password - Win3]]{/for} # To set the master password, click {button OK}. # [[T:closeOptionsPreferences]] = Removing the master password = If you don't need a master password, you can remove it at any time: # [[T:optionspreferences]] # Click the {menu Security} panel. # Uncheck mark '''Use a master password'''. The Remove Master Password dialog will open. # Enter the current password to confirm you are authorized to remove it. #* If you've forgotten your master password, see [[Reset your Master Password if you've forgotten it]]. # Click {button Remove}. # Click {button OK} in the dialog that appears to confirm its removal. # [[T:closeOptionsPreferences]] = Changing the master password = You can also change your master password at any time: # [[T:optionspreferences]] # Click the {menu Security} panel. # Click {button Change Master Password}. # Enter the current password to confirm you are authorized to change it. #* If you've forgotten your master password, see [[Reset your Master Password if you've forgotten it]]. # Enter the new master password twice. #*Leaving the two fields empty removes your master password. # To accept the changed master password, click {button OK}. # [[T:closeOptionsPreferences]] <!-- MZ credit --> <br/> <br/> '''''Based on information from [http://kb.mozillazine.org/Master_password Master password (mozillaZine KB)]''''' [[Template:ShareArticle|link=http://mzl.la/MHS1io]]