Anomaly or Working as Designed

I'm sure everybody have seen this before:
You put in a number in front of your user profile e.g. 3XCORP
and this message pops up ---- CPF1120 - User Q3XCORP does not exist
I'm ok with this so far,  I got a couple of minutes on my hands and decide
to explore.

I create a user profile Q3XCORP with password of Q3XCORP.  Ok but I hate
putting a "Q" in front of a
users profile.  Next I go to my signon screen and for the user-id I put
3XCORP and the password is 3XCORP.
Expected  Results????  I get signed on.  OK now I'm really confused, but
wait it gets better.
Next I try Q3XCORP and pswd of 3XCORP.  That works too, as does 3XCORP and
Q3XCORP

Is this working as designed?  I have tried this on v3r2, v3r7 thru v4r2.  I
know it has something to do with
the number first, but in this age of security awareness I think this is not
good.

Questions/comments???

Bryan Dietz
3X Corp.
Columbus OH




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