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NIST proposes barring some of the most nonsensical password rules (arstechnica.com)

submitted 1 month ago by Amicitas@lemmy.world to c/technology@lemmy.world

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Here is the text of the NIST sp800-63b Digital Identity Guidelines.

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[–] lvxferre@mander.xyz 335 points 1 month ago (76 children)

Reworded rules for clarity:

Min required length must be 8 chars (obligatory), but it should be 15 chars (recommended).

Max length should allow at least 64 chars.

You should accept all ASCII plus space.

You should accept Unicode; if doing so, you must count each code as one char.

Don't demand composition rules (e.g. "u're password requires a comma! lol lmao haha" tier idiocy)

Don't bug users to change passwords periodically. Only do it if there's evidence of compromise.

Don't store password hints that others can guess.

Don't prompt the user to use knowledge-based authentication.

Don't truncate passwords for verification.

I was expecting idiotic rules screaming "bureaucratic muppets don't know what they're legislating on", but instead what I'm seeing is surprisingly sane and sensible.

[+] tastysnacks@programming.dev -26 points 1 month ago (11 children)

What kind of barbarian puts a space in their password?

[–] portifornia@lemmy.world 1 points 1 month ago (1 children)

I'm with you, despite seeing lemmings downvote the heck out of your comment 😢

The reason, and specifically for whitespace at the beginning or end of a password, is that a lot of users copy-paste their passwords into the form, and for various reasons, whitespace can get pasted in, causing an invalid match. No bueno.

Source: I'm a web developer who has seen this enough times that we had to implement a whitespace-trim validation for both setting & entering passwords.

[–] orclev@lemmy.world 7 points 1 month ago

Trimming whitespace from the start and end of a password is fine but you absolutely should not remove whitespace from the middle of a password.

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