In cryptography, a certificate authority, or certification authority, (CA) is an entity that issues digital certificates.

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Fedora 21: Cannot Ping or Curl, but can Access Internet

We have an automatic proxy server configuration setup, and I can use a web browser but ping/curl are failing; it looks like a DNS resolution problem. When I do: URLGRABBER_DEBUG=1 yum check-update ...
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486 views

Can't request computer certificate

I am using MMC with the snaping of certificates. I am requesting certificates from a brand new installation of a CA. Requesting User certificates works perfectly. Requesting Computer certificates ...
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72 views

How to maintain revokation list for client certificates

I have a website running in Windows Server 2012, IIS. User's are authenticated using client certificates. I used to issue client certificates using Certificate Authority MMC snap-in. Since the ...
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1answer
103 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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283 views

ADCS - How can I diagnose the exact reason a certificate request was denied by a policy module?

I need to develop operational procedures to audit and understand why a specific request was rejected by an Active Directory Certificate Services (ADCS) Policy Module. I've attempted turning on all ...
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1answer
185 views

Windows Server 2008 R2 CA not issuing more than 2 years

I have active directory environment in 2003 R2. I have installed 2008 R2 Enterprise Edition CA. Then I have created custom template from web server template and add expiry date as 15 years. my root ...
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1answer
2k views

Renewing Service Certificates for NDES on Windows Server 2008 R2

We currently use the NDES Service on Windows 2008 R2 Enterprise where the same box is also the standalone Certificate Authority. During initial setup, NDES created 2 service certificates for SCEP ...
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1answer
275 views

sendmail (Smart Host) authentication with server using certificates

We are trying to prepare a setup with following configuration: We have a Central mail server which acts as a gateway to the internet for our domain. We have some client machines which access ...
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1answer
355 views

Linux Certification Authority signing Windows 2003 Server certificate requests

I've had some success using a Windows 2003 Server running as a Certification Authority signing certificates used in secure communications between Ubuntu Linux and Active Directory on Windows 2003 ...
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31 views

Easiest way to generate PFX certificate (Windows)

At the moment to generate PFX Certificate, I use openssl and: Generate a CSR with its private key Connect to my CA website (Microsoft CA), and submit CSR along with (san:dns=) additional attribute. ...
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+100

Is is possible to disable Certificate Transparency (audit log checking) of certificates in Chrome?

We utilize HTTPS deep packet inspection in our firewall via a trusted root certificate in the Windows certificate store. Chrome recently pushed forward with a feature to perform additional checks on ...
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2k views

The OCSP server has no status for the certificate. (Error code: sec_error_ocsp_unknown_cert)

Just set up a website (Apache/Centos) with SSL where the free cert came from startssl. I've used startssl before, and never had any problems. I have no problems accessing the site from IE and ...
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76 views

Windows Server 2012 Certificate Stores not updating

According to Microsoft, Windows Server 2012 and Windows 8.1 automatically update Digital Certificates. Microsoft Security Advisory 3050995 https://technet.microsoft.com/library/security/3050995 says ...
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88 views

How to include all dns records and IP address of a server in automatic certificate enrollment of Microsoft AD CS?

In my company there are a lot of servers which users remotely login to them to do their duties. We have enabled computer certificate auto enrollment for them to assure secure connection. But because ...
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51 views

makecert.exe incorrectly reports duplicate certificates when using -is flag

I created a self-signed certificate that I then loaded into the Trusted Root Certification Authorities folder. This certificate acts as a trusted root for websites on my workstation. I am using ...
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0answers
59 views

How do I change the expiration of CRLs with OpenSSL?

I am currently experimenting with my self signed CA. But in order for my devices to work I need a valid CRL. I set the CDP to one of the CDN hosting providers. As I have only 5 certificates issued I ...
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190 views

haproxy client certificate authentication signed by 'common' CA

I am setting up haproxy as an SSL terminator/load balancer in front of an API that we need to expose over the internet to a customer. The plan was to use mutual (2-way) SSL/HTTPS to verify that both ...
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0answers
30 views

Can OpenDirectory on OS X reasonably be configured to use an intermediate CA cert from an existing CA?

We're trying to set up OpenDirectory. It seems to want to create its own CA, and then an intermediate CA with a certificate signed by its own CA. I'd prefer to generate an intermediate CA certificate ...
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112 views

How to setup digital signatures on Microsoft CA (AD-CS)?

I've been trying to research across the web on how to setup a Microsoft CA (AD-CS on Windows Server 2008 R2) in order to create a certificate for digital signatures, allowing you to digitally sign ...
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564 views

How to replace Zentyal CA certificates and key with an already existing CA

The context: we're using a CA which is deployed on all our client machines, and a lot of hosts and web servers. It seems that Zentyal CA module only allows to issue a new CA using the GUI, but not to ...
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83 views

Remote Desktop Certificate Template Application Policy Extension

We are setting up remote desktop authentication with the use of certificates and ran into an issue in one of the environments. I am editing the RemoteDesktopComputer2008 certificate template, in ...
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483 views

Unable to convert JKS keystore to Oracle Wallet using orapki

I have generated jks keystore using keytool and using the jks keystore I have csr. The same csr I have sent to Signing authority. The Signing authority have given the trusted ...
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124 views

Windows - Replace subject from CSR when issuing certificate

I've received a CSR from a client with a CN, but not with all the subject fields we require. According to this answer from Scott*, it should be possible to specify the final subject values when the ...
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111 views

Exchange on WP7 - 80072F0D

Last week, the self-signed certificate on our Exchange 2010 mailserver expired, so we made a new one. Everything works fine after this, except mail on Windows Phone 7. All phones are giving an error ...
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44 views

EFS file access problems

in my organization, i have a deadline to deploy EFS using AD CS, and i am working with a single windows server 2003 box, which is the Root CA, and is the same server responsible to certificate ...
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596 views

ADCS WebEnrollment : The context was acquired as silent

I have setup Active Directory Certificate Services with Web Enrollment and I have the following error when enrolling certificate on other computers that are in the same domain : Certificate ...
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1k views

How do I set up an 802.1X infrastructure for use with OS X and iPads?

At my workplace I have been tasked with setting up machine certificate based 802.1X wireless authentication for our Apple devices. It seems like on the client side this will be handled by Profiles ...
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732 views

The revocation function was unable to check revocation for the certificate

I need to pass IIS certificate authentication on Windows Server 2012. The root cert haven't got any revocation lists but I'm getting exception: The revocation function was unable to check ...
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840 views

Sendmail Server Authentication: Certificate based: Error

I have configured my setup for a server certificate based authentication. Both Server and Client are sendmail systems and both have the same set of certificates. However when client communicated ...
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0answers
193 views

How to properly replace CA certificate when clients get it bundled in PKCS#12 containers?

I'm about to regenerate a certificate of my CA (maintained by OpenSSL) used mostly to provide OpenVPN access to the intranet for my clients. My question is related to this one — "Certification ...
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2k views

Certificate enrollment for Local system failed to enroll Event ID:13

I've just finished installing a second domain controller to gain redundancy in the network. (and to solve some issues) After installation and configuring all errors are gone but one that is: Event ...
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905 views

OpenVPN without Root-CA

Simple OpenVPN Setup with SSL Authentication. SSL-Setup: Root-CA > Intermediate-CA > Issuing-CA All certificates (vpn-server and -clients) are issued by the "Issuing-CA". I tried to use the ...
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607 views

Certreq -retrieve can't find the specified CA

I'm currently writing a Powershell script and have run into a bit of a roadblock. Basically, the script requests, approves, and retrieves new certificates from our CA using certreq.exe and ...
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525 views

Change name of Win Server 2008 computer after CA install

I am importing an old certificate database into the new CA on a new server I'm installing. I am warned by Windows that I can't change the computer name, domain settings, etc., after installing the CA. ...
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Squid proxy unable to use LDAP/S on CentOS 6

I've configured Squid proxy to authenticate against Active Directory. With plain LDAP, everything works as expected. However, when I try to use LDAP/S, I get these error messages: p11-kit: couldn't ...
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How do you properly setup OpenVPN Server on mac? And how do you setup the certificates?

I have been searching for hours now, and I still cannot seem to find a proper tutorial on OpenVPN on mac. I did see the HOWTO, though that doesn't seem to be enough. The worst part is the one with ...
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31 views

How to add a certificate authority (CA) to redhat 5.6

I have Imported a Trusted Root Certification Authority(CA.cer) into Windows,It's working fine on window.Same certificate how to import the redhat 5.6?
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30 views

IPSEC for RDP Connections

I am stuck with a wired problem, I am trying to achieve a functionality in which if a certificate is not installed on a system that system won't able to remote desktop the server, he won't even see ...
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23 views

After renewing web CA, Outlook 2013 can connect to Exchange 2013 but not Outlook 2010

After renewing web CA, 2013 outlook client are able to connect to 2013 Exchange but not 2010 outlook clients? Anyone run in to this issue please advise!
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164 views

setup SSL with CA for multiple local sites in Apache and authenticate in a specific location (Error code: ssl_error_handshake_failure_alert) Ubuntu

i'm trying to implement SSL (HTTPs) on my local web-server to protect specified directories on Apache's websites where a user log's-in, combining SSL and HTTP Authentication Basic. I have follow ...
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525 views

How can I resolve element not found in AD CA?

I had to move our AD CA from server 2008 32bit to server 2008r2 64bit, both domain controllers too! I now know this was BAD. Is there any way to resolve the "Element not found" in AD CA? Or do I ...
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34 views

SQL Client failing SSL certificate encryption under a AD Domain

I have a client machine (web server) that is attempting to connect to a SQL server. The SQL server is 2008 and has the force encryption flag turned on. Both servers are joined to the domain. The ...
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0answers
14 views

Publishing extra AD CA CRLs for clients

I am attempting to configure Workplace Join in my Lab Environment. I have my AD CS infrastructure in place and have configured an additional CDP/CRL list with an accessible DNS name for non-domain ...
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0answers
64 views

SSL warning appears only to some devices

I have godaddy ssl certificate for domain.There wasn't any problems with my SSL certificate and visiting my domain(Haven't receiveed any errors), but couple times(two weeks ago) when I visited site ...
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94 views

no local computer physical store, only registry and smartcard

I'm currently encountering an issue whereby i cannot see the "local computer" physical store, under trusted root CA, when attempting to install a cert. Instead the only stores i see are "Registry" and ...
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0answers
894 views

Can't seem to get Apache SSL client certificate authentication working with an intermediate CA

I'm restructuring my personal CA system and trying to add an intermediate CA into the mix. I have a self-signed root CA whose certificate is imported into all appropriate browsers/OSes. I seem to be ...
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0answers
142 views

Update Root CA Certificate values (Country/location(locality)/etc)

Our Offline Root CA server was setup prior to my joining the company and has com as the country code which is invalid for several things that I'm needing to do...primarily to get clients to stop ...
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0answers
64 views

Windows Server 2008 Certificate Authority setup

Help!!! Our Root CA expired on 2/28/2014 and the original server has been reloaded with an OS. I am in dire need as many of our external sites are now not working - no surprise! I have not ...
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26 views

Local CA for remote web server

I have two domains and the one I am in has a certificate authority server. The domain I am not in doesn't have a CA server. I want to certify https on that server so that I can get there without the ...
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“Connection restarted while page was loading” in Firefox when using SSL

I am developing an ASP.NET web app. The Login page use client certificates as credentials. IIS is configured so the Login.aspx require client certificate and SSL. On Explorer you select a client ...