How to disengage the Firefox save password feature

Question

''Duplicate post, continue here - [https://support.mozilla.com/en-US/questions/793758]''
How can I disengage the save password feature for already saved passwords?

Answer 1

If you use a weak master password that can easily be constructed via a dictionary look up then it doesn't matter how long that password is.<br />
If you want to make it difficult then use a MP that contains uppercase and lowercase characters (e.g. a-z, A-Z) and have digits (0-9) and punctuation characters and symbols (`~!@#$%&*()-_=+[]{}\;:'",.<>/?) and the length should at least be 8, but better use at least 12.
Never use words that can be found or constructed via a dictionary look up, even if there are numbers added or some characters have a different case.
See also http://en.wikipedia.org/wiki/Password_strength
The names and passwords are encrypted with a Triple-DES key that is stored in key3.db and a master password adds an additional level to that encryption.<br />
If you do not use a master password then having access to key3.db and signons.sqlite is sufficient to have access to the encrypted names and passwords.<br />
Make sure that you remember that master password or else all your passwords are lost.
See http://en.wikipedia.org/wiki/Triple_DES - TripleDES (CBC mode)