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I see the following configuration in /etc/nsswitch.conf:

shadow:     files [NOTFOUND=continue] ldap

Is there any purpose to the [NOTFOUND=continue] action? Isn't this functionally the same as the following configuration, which is far more common:

shadow:     files ldap
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up vote 3 down vote accepted

Slightly different - it means it will only continue if the account was not found.

If the account is present in the file, but an invalid password was supplied - then the trail stops there.

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