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Why do passwords have a minimum length?
In most environments, an eight-character password is recommended because it’s long enough to provide adequate security and still short enough for users to easily remember. A minimum password length greater than 14 isn’t supported at this time. This value will help provide adequate defense against a brute force attack.
Why is it so hard to recover my Gmail password?
You might be trying to reset the password on an account that belongs to someone else. Make sure you entered the right email address. If you made a typo, try again. Someone might have hijacked your account and added it.
Is there any reason to limit the length of passwords?
In the past due to software and hardware limitations there were many reasons to limit passwords and little reason to have long passwords (poor cracking hardware meant even short password cracking was near impossible). Over time these reasons become invalid, but some programming continue to implement such limits, their reason?
Why does MD5 limit the length of passwords?
Because the MD5 algorithm takes input of any length, but all hashes are fixed at 16 bytes, multiple passwords can hash to the same value (see: hash collisions, collision attack ).
Why are passwords on eBay limited to 20 characters?
A lot of people have recently been wondering the reason behind maximum password lengths, after it was revealed that eBay limited passwords to 20 characters. Many people see this as a security flaw (and in some cases it is), but often there are reasons behind it.
Why are passwords not allowed to have symbols?
The most common reasons for restricting password lengths/allowed characters are usually: They just aren’t going to tell you that. The reason for short password length requirements is because they don’t believe that their systems will be hacked. Short passwords are only a security problem if the hash lists are obtained.