Can anyone recommend a free and simple OCSP server for Windows or Linux?

  • 2
    OCSP definition: en.wikipedia.org/wiki/Online_Certificate_Status_Protocol
    – warren
    Apr 7, 2010 at 12:30
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    @Warren if you don't know what ocsp is, then you shouldn't answer the question.
    – Rook
    Apr 7, 2010 at 20:33
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    @unknown, warren didn't answer, he used a comment to add a link to provide additional information. At the very least it saved me having to look up yet another never before seen acronym. Apr 7, 2010 at 21:34

2 Answers 2


The best free OCSP server is in the OpenCA package. Here is an example of creating a custom OCSP message. If you like java then you should use EJBCA.

I think windows has an OCSP server in the windows 2008 enterprise edition. I know it has other parts of the PKI. This isn't free.


Windows Server 2008 and 2008 R2 Enterprise Editions both have OCSP as an option when you install the AD Cert Services. You can use both for testing purposes for 180-days. Download available from Microsoft.


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