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Password Length

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pbird42

Technical User
Jul 27, 2010
3
CA
Hi Everyone .... I have a 3 part question regarding password length support in AIX

1) Does anyone know what version of AIX started supporting password lengths of 8 (i.e. minlen=8)?

2) The reason I'm asking is because I'd like to set minlen=8 on 2 of my older AIX systems (versions 4.3 and 5.1). Would there be an adverse impact to existing IDs if I set minlen=8 on these systems? Would users be required to enter 8 character passwords (even though the system may only validate the first 5 characters) or would users only be required to enter 5 character passwords (despite minlen being set to 8)?

3) When do /etc/security/user changes (such as changing minlen=8) actually get applied to existing users? Is this immediate or only when existing users change their password?

 
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