Tagged Questions

Online Certificate Status Protocol (OCSP) is a protocol used for validation of x509 certificates in a PKI system. Most OCSP implementations ingest certificate revocation lists (CRLs) from Certificate Authorities (CAs), create an internally signed database called a proof set, and then produce OCSP ...

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0answers
14 views

Apache + Jboss checking the X.509 certificate status

I am developing a web app using Apache http + Jboss + AJP Protocol. Users authenticate using their X.509 certificate, stored in their smartcards. When browser asks the users for their cards PIN they ...
3
votes
0answers
32 views

How to get OpenSSH to use OCSP for revocation

As the title says, is there any (free) library, patch, etc. that allows OpenSSH to be configured to check x.509 certificate revocation via OCSP (online certificate status protocol)? If so, can you ...
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2answers
516 views

OCSP validation - unable to get local issuer certificate

I'm new to setup SSL from the scratch and did my first steps. I bought a SSL cert from RapidSSL for my domain and followed there steps to install the cert. In general the cert is valid and working on ...
1
vote
1answer
41 views

Adding OCSP and NDES into existing environment? What can be installed together?

Currently have one offline CA and one Sub Issuing CA that just has the Web Enrollment installed. Looking at also implementing NDES and OCSP. I know the web enrollment can be installed on the Issuing ...
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0answers
139 views

Apache stapling_renew_response: responder error

My Apache error log shows a lot of " stapling_renew_response: responder " errors. Was hoping to add a browser screenshot but I'm a newbie and therefore not authorised. This is what is shown from the ...
12
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3answers
2k views

How do I check if my SSL certificates have been revoked

The recent discovery of the heartbleed vulnerability has prompted certificate authorities to re-issue certificates. I have two certificates that were generated before the heartbleed vulnerability ...
0
votes
1answer
159 views

How do I set up an OCSP responder for multiple CA certificates?

I want to have one OCSP responder for more than one intermediate CA issuers with OpenSSL. How would I do this? All the examples I see all respond only for one issuer certificate and one OCSP signing ...
0
votes
1answer
118 views

Remove specified OCSP responder from certificate

OCSP is brain-damaged and a privacy violation. Is there a way I can remove the specified OCSP responder from a certificate file to prevent my site's visitors from having to suffer it? From what I ...
3
votes
1answer
496 views

Are there certain specific host file entries that Windows 2008 will ignore for security purposes?

While troubleshooting a network timeout/connectivity WinHTTP issue, I temporarily added a host file entry for: 127.0.0.1 ctldl.windowsupdate.com (The server has no internet connection and the ...
4
votes
1answer
433 views

How large is the certificate OCSP and CRL cache in my Windows server?

How can I see the size of the in-memory OCSP cache to a CRL cache in my Domain Controllers? In other words, most Windows process that uses CryptoAPIs have an in-memory cache of every CRL and OCSP ...
0
votes
1answer
223 views

Free OCSP server

I can't have OCSP with my current OS licensing (2008 R2 Standard) but I need this option. I'm hoping to avoid shelling out an additional $2300. Are there any open source products that could act as ...
2
votes
1answer
365 views

When are OCSP requests sent by web browsers?

I'm testing my https page via webpagespeedtest on IE8, and in one run I noticed a bunch of OSCP requests sent to oscp.godaddy.com. I never noticed any such requests in previous runs. When do browsers ...
0
votes
1answer
190 views

Does IIS 6.0 Log CRL Checks?

I am adding a 3rd party OCSP responder(Tumbleweed) plugin to IIS 6.0/Windows. I have the 3rd party tool configured to check the revocation status and would like to assert that IIS is not making a ...
1
vote
1answer
175 views

Considerations for certificate revocation for intermittently isolated ad-hoc networks

I'm trying to decide on a certificate revocation strategy for a solution I'm designing (that will utilize Dogtag PKI, per customer request). The obvious choices seem to be using a CRL or using OCSP. ...
3
votes
0answers
5k views

OpenSSL: how to setup an OCSP server for checking third-party certificates?

I am testing the Certificate Revocation functionality of a CMTS device. This requires me to setup a OCSP responder. Since it will only be used for testing I assume that the minimal implementation ...
8
votes
2answers
4k views

Free OCSP server for testing purposes?

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