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https://issues.apache.org/jira/browse/AIRFLOW-45?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15271398#comment-15271398
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Chris Riccomini commented on AIRFLOW-45:
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> I think we should have a configuration variable to hide/expose the encrypted 
> values in the UI for both Variables and Connections. It should likely affect 
> all Variables and/or Connections in a given Airflow installation and not be 
> DAG specific.

This seems OK to me. So, current proposal is:

# Add a config param to airflow.cfg called hide_encrypted_ui_fields
# Default hide_encrypted_ui_fields to true

The hide_encrypted_ui_fields param would hide `passwords` and `extras` in the 
hooks view, as well as the `value` of variables in the variables view.

Does that sound OK?

> Support hidden Airflow variables
> --------------------------------
>
>                 Key: AIRFLOW-45
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-45
>             Project: Apache Airflow
>          Issue Type: Improvement
>          Components: security
>            Reporter: Chris Riccomini
>            Assignee: Matthew Chen
>
> We have a use case where someone wants to set a variable for their DAG, but 
> they don't want it visible via the UI. I see that variables are encrypted in 
> the DB (if the crypto package is installed), but the variables are still 
> visible via the UI, which is a little annoying.
> Obviously, this is not 100% secure, since you can still create a DAG to read 
> the variable, but it will at least keep arbitrary users from logging 
> in/loading the UI and seeing the variable.
> I propose basically handling this the same way that DB hook passwords are 
> handled. Don't show them in the UI when the edit button is clicked, but allow 
> the variables to be editable.



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