This discussion comes up on the Tomcat mailing list at least every few months, 
and it always ends the same way.

The passwords are in a configuration file. That configuration file lives with 
the application. So, for example, if the application is a web app the 
configuration file lives on the web app server or a server it has access to. 
Either way, if a hacker gets a hold of that configuration file, it's because 
they've breached your firewall/server protection systems and it's game over 
anyway.

There's really no use in making efforts to protect passwords in these 
configuration files. Any effort to do so just adds a _false_ sense of security, 
which is more dangerous than no security at all.

Nick

On Aug 19, 2013, at 9:54 AM, Gary Gregory wrote:

> On Mon, Aug 19, 2013 at 10:52 AM, Gary Gregory <[email protected]> wrote:
> On Mon, Aug 19, 2013 at 10:34 AM, Ralph Goers <[email protected]> wrote:
> I'm not sure how this applies to what you are suggesting, but we should avoid 
> passwords being in clear text in the configuration.  I would suggest using a 
> standard plugin interface similar to what I did with the secret key provider 
> in the Flume Appender.
> 
> We should at the last offer something like 
> http://wiki.eclipse.org/Jetty/Howto/Secure_Passwords
> 
> So perhaps we need a boolean password attribute on PluginElement and 
> PluginAttribute
> 
> Gary
>  
> 
> Gary
>  
> 
> Ralph
> 
> On Aug 19, 2013, at 7:29 AM, Gary Gregory <[email protected]> wrote:
> 
>> On Mon, Aug 19, 2013 at 10:25 AM, Paul Benedict <[email protected]> wrote:
>> Do you need the password ever after authentication?
>> 
>> I guess it depends on whether the code handles re-auth in case of a 
>> disconnect.
>> 
>> Gary
>> 
>> 
>> 
>> On Mon, Aug 19, 2013 at 8:55 AM, Gary Gregory <[email protected]> wrote:
>> On Mon, Aug 19, 2013 at 7:27 AM, Ralph Goers <[email protected]> wrote:
>> What passwords?
>> 
>> For example:
>> 
>> - org.apache.logging.log4j.core.net.SMTPManager.FactoryData.password
>> - org.apache.logging.log4j.core.net.JMSTopicManager.password
>> - org.apache.logging.log4j.core.net.JMSQueueManager.FactoryData.password
>> 
>> Gary 
>> 
>> Ralph
>> 
>> On Aug 19, 2013, at 4:22 AM, Gary Gregory <[email protected]> wrote:
>> 
>>> I've seen it done many places: Should we track passwords internally as 
>>> char[] instead of String for ivars.
>>> 
>>> This prevents Log4j spilling your secrets by accident in a toString to 
>>> internal log call.
>>> 
>>> Gary
>>> 
>>> -- 
>>> E-Mail: [email protected] | [email protected] 
>>> Java Persistence with Hibernate, Second Edition
>>> JUnit in Action, Second Edition
>>> Spring Batch in Action
>>> Blog: http://garygregory.wordpress.com 
>>> Home: http://garygregory.com/
>>> Tweet! http://twitter.com/GaryGregory
>> 
>> 
>> 
>> 
>> -- 
>> E-Mail: [email protected] | [email protected] 
>> Java Persistence with Hibernate, Second Edition
>> JUnit in Action, Second Edition
>> Spring Batch in Action
>> Blog: http://garygregory.wordpress.com 
>> Home: http://garygregory.com/
>> Tweet! http://twitter.com/GaryGregory
>> 
>> 
>> 
>> -- 
>> Cheers,
>> Paul
>> 
>> 
>> 
>> -- 
>> E-Mail: [email protected] | [email protected] 
>> Java Persistence with Hibernate, Second Edition
>> JUnit in Action, Second Edition
>> Spring Batch in Action
>> Blog: http://garygregory.wordpress.com 
>> Home: http://garygregory.com/
>> Tweet! http://twitter.com/GaryGregory
> 
> 
> 
> 
> -- 
> E-Mail: [email protected] | [email protected] 
> Java Persistence with Hibernate, Second Edition
> JUnit in Action, Second Edition
> Spring Batch in Action
> Blog: http://garygregory.wordpress.com 
> Home: http://garygregory.com/
> Tweet! http://twitter.com/GaryGregory
> 
> 
> 
> -- 
> E-Mail: [email protected] | [email protected] 
> Java Persistence with Hibernate, Second Edition
> JUnit in Action, Second Edition
> Spring Batch in Action
> Blog: http://garygregory.wordpress.com 
> Home: http://garygregory.com/
> Tweet! http://twitter.com/GaryGregory

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