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How to implement Kerberos with applications?

Hello All,
I have been reading information on how to implement kerberos within applications that we have. I need some help understanding what I need to do.  I would like to use a java web application as an example.

1)  Once I have kerberos installed and configured, the service would be the server where my web application is located, correct?

2)  To get the client to use the java web application, I would need to write separate code using JAAS and Java GSS-API to allow authentication and authorization to occur?  I need an example to understand this concept or explanation.  At what point does the client begin using the web application? I am confused.  Is this new code inside my application or is it a separate application?

3) To be clear, once I have kerberos installed and configured, I use JAAS and Java GSS-API for a java application?  What if my application is not written in java, lets say it is written in Fortran on OpenVMS?  I know Kerberos is available on OpenVMS.

Thank you for your input.
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OliviaRedhorse
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OliviaRedhorse
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OliviaRedhorseAuthor Commented:
Just answer this answer for me.
At what point do I invoke my java web application to begin? For examples sake, lets say I have java web applications (app1 and app2) and the user would like to get to app1.  I am trying to understand where the Kerberos ends and my application begins.  Thank you!
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dcesariCommented:
Answer to point 3)

If your application is written in Fortran and not in Java, then the only way to use Kerberos is to find a C API for Kerberos, Fortran can call C code in a more or less standard way, at lest if you have a fairly recent compiler, but not java code.

So for this purpose you need to find a C example of Kerberos web application (I do not know Kerberos, so I cannot help much) and mimic its behavior from Fortran.


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OliviaRedhorseAuthor Commented:
Thank you for replying.
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