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Answer by user11717468 for Why not allow spaces in a password?

I believe most non-programmers feel (consciously or not) that the space character is essentially different from other characters in that it only serves to separate words from each other; being just...

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Answer by Steve Warnek for Why not allow spaces in a password?

I am going to qualify this comment by saying I have been a sysadmin for over thirty years... and a writer for at least as long. Although using a space in a password may be allowed in some circles, and...

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Answer by Cristian Lupascu for Why not allow spaces in a password?

On most keyboards, the Space key makes a sound that's slightly different from that of any other key. Consider the scenario in which a person hears someone else type in their password. If that person is...

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Answer by sharp12345 for Why not allow spaces in a password?

It’s a very good policy for convenience, and having seen this from the customer support side – I think this should be implemented everywhere. You can write the password like this: “ abc def ghi ” and...

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Answer by laurent for Why not allow spaces in a password?

I can think of several reasons why spaces should be excluded; these reasons have nothing to do with security though but with usability: If you transmit a password that have spaces in it, how does the...

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Answer by jordan for Why not allow spaces in a password?

its only about programmatic semantics. most everything handles the space character ' ' or " " different from other symbols like 'a' or 'dds'. the blank space character gets lumped into other strange...

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Answer by mgjk for Why not allow spaces in a password?

Leading and trailing spaces could be trouble for people who are loose with copy and paste. Otherwise, agreed with the other posts, no good reason. Although, what other characters are we blocking? tab,...

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Answer by Jeff Ferland for Why not allow spaces in a password?

I can't explain it as anything beyond legacy madness, or lazily copying username restrictions to password restrictions without forethought. Any block of data, printable or otherwise, should be...

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Answer by user10211 for Why not allow spaces in a password?

The simple answer is that it is a bad password policy. I can think of no particularly good reason for forbidding the space character. This is probably just some arbitrary requirement set by a...

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Answer by AJ Henderson for Why not allow spaces in a password?

I can't think of any solid security reason other than it discourages people from using actual sentences as passwords which would be very insecure if they had actual meaning. Strictly speaking, there is...

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Why not allow spaces in a password?

"Your password can't contain spaces." is a message I see from some websites, including 1 . Why? (This question is very similar to Why Disallow Special Characters In a Password? , but the answers there...

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