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

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Windows 2012 SSTP The revocation function was unable to check revocation because the revocation server was offline

In order to get rid of "Error 0×80092013: The revocation function was unable to check revocation because the revocation server was offline" you have to install base/delta CRLs on the client you want ...
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Thunderbird not trusting certificate signed with self-signed authority

I have generated a self-signed certificate authority using mydomain.org as the common name. I imported the public certificate using Thunderbird's certificate manager under the "Authorities" tab. So ...
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751 views

How to get certificate common name from PEM file

Various articles online have lead me to believe that a server certificate's common name must be an exact match to the root URL it is valid for. However, when I look at a bunch of the files in ...
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368 views

LDAPS certificate not working with IP address

I have a certificate assigned to my Domain Controller/Certificate Authority that has no subject name assigned but has two FQDN's and and IP in the alternative names under DNS and IPv4 respectively. ...
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462 views

Preventing Windows from deleteing our root CA

I am trying to create a Windows server with an IIS server that has a web site with client certificate authentication. The client certificates are signed by our own root CA. Because of that we must ...
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175 views

Windows PKI: How can I import, sign/issue and export a large number of CSRs?

I have a lot of CSRs that I need to have signed/issued and exported in windows. I was hoping I could batch process them somehow (certutil sounds like it can do some of the work) but I'm not quite sure ...
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840 views

Microsoft offline root CA CDP and AIA http URLs are hard coded - trouble ahead?

I'm new with ADCS, and there is a lot to understand. I set up a 2-tier PKI, and have placed the offline root CA certificate (CRT) and CRL files on a web server pointing to with a CNAME in DNS. When I ...
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133 views

How does this 2048bit SSL requirement affect existing internal PKIs?

We have our own CA which we've used for years to create hundreds of server certs and thousands of client certs. The CA cert itself is 1024bit and the certs it signed are 1024bit Symantec has been ...
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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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2answers
511 views

Remove old Certificate Templates

We decommissioned our old Exchange 2003 server over a month ago. The server was also our CA(which wasn't widely used). I've removed all traces of this old CA in Sites and Services except for the ...
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4answers
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Managing a block of text with Puppet

I'm attempting to insert a block of text into my CA certificate file on CentOS hosts with Puppet. I asked about this before, and it seems CentOS is sorely lacking in certificate management ...
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2answers
238 views

Enabling Certificate Authority Auto-enrollment on Domain via GPO, any “dangers” I should be aware of?

I deployed a Standalone Offline Root CA and created a Sub Enterprise CA that handles enrollment and policy. There all setup correctly. I am getting ready to enable Auto-enrollment to the whole domain ...
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AD CS: Certificate Template not available

In short, a Certificate Template I want to use is not available for enrollment. The template in question is a copy of the "RAS and IAS Server" template. What's frustrating is that I've gotten this ...
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1answer
254 views

OSX doesn't recognize certificate's signing authority

I have my own root certificate that I have imported into my OSX 'login' keychain and told it to trust across the board. I am now creating a certificate for S/MIME. I create the CSR in Keychain Access ...
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829 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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1answer
274 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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2answers
484 views

Windows PKI with offline root (maybe with OpenSSL) - Possible?

I'm trying to setup a two-tier PKI and I have a ton of questions. Since there's the tombstone limit for the AD, I'm assuming that the root (which will be offline) shouldn't be part of the AD. Am I ...
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1answer
290 views

Code signing certificate not available to sign macros

We are trying to give one of our user the ability to sign his macros in Excel with a certificate issued by Certficate Authority. The Certificate Authority role is installed on the Domain Controller ...
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Can't locate SBS 2011 Certification Authority Web interface

Certification Authority Installed Certification Authority Web Enrollment Installed Certification Enrollment Web Services Not Installed Certification Enrollment policy web service Not Installed ...
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381 views

Error when install SSL certificate on MediaTemple GS server

Here is what happened: I generate the CSR via the MediaTemple site (that is the only way to do it. since a GS is a share server). Send it over the namecheap.com (its signed by RapidSSL). When I got ...
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2answers
947 views

Generating SAN SSL Certificate that works for firefox and chrome

I am trying to generate a SSL certificate that after being signed by my own CA will work for multiple domains. My openssl configuration file looks like this: [ req ] default_bits = 2048 ...
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1answer
385 views

Is there a cmd/certutils to copy a certificate from one store to another?

I would like to know if there is a cmd to copy an existing certificate from one store to another. I am trying to copy a certificate from the Users Intermediate Certification Authorities store ...
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1answer
33 views

nginx ssl with CA

I have a Premium SSL Cert with a provider and they sent me chain.cer, site.pem and site.cer. Do I need to do something special to avoid getting "The site's security certificate is not trusted!" when ...
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2answers
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Error code: ssl_error_rx_record_too_long

I have nginx with the following setup: server { listen 80; server_name site.com www.site.com; root /home/site/public_html; listen 443; ...
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2answers
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Using an SSL certificate in multiple locations

I have some issues with respect to using SSL Certificates. I have a website hosted in UK and I also have an organisation in South Africa hosting my company application online for web access. The ...
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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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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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1answer
320 views

Can't get self-signed CA cert to request corresponding client cert; Apache

I'm running Apache 2.2 on Windows, and have mod_ssl working fine for delivering a commercially signed server cert. (A wildcard cert, though I don't think it matters.) I'm trying to get the server, ...
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239 views

Update CA Bundle on Redhat 6

I have a few Redhat 6 servers that are unable to verify the certificate of an HTTPS site. I have checked, and they don't appear to have a very current CA bundle. The file ...
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1answer
394 views

ipa root certificate signing

I am trying to get my ipa certificate signed by openca and its getting rejected due to hostname. The following hostnames were rejected because the system couldn't link them to your account, if they ...
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1answer
709 views

java keystore can't validate URL

With the same url, this ends up giving a verify return code 20 (unable to get local issuer of certificate): openssl s_client -connect $URL:443 -showcerts -CAfile /etc/ssl/certs/java/cacerts This ...
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4answers
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Nginx and client certificates from hierarchical OpenSSL-based certification authorities

I'm trying to set up root certification authority, subordinate certification authority and to generate the client certificates signed by any of this CA that nginx 0.7.67 on Debian Squeeze will accept. ...
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Install Trusted root certificate authority certificate via GPO

We have a Win2k8 as a Domain Controller in a domain with workstations that run Windows XP. I would like to be able to install via GPO a new trusted root certificate authority certificate that I've ...
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Can't make httpd use correct SSL

I have a signed CA, issued by my university. I generated my CSR using their public key file as so: openssl genrsa -out myservername.key 2048 (new key) openssl req -new -key myservername.key -out ...
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CA and Primary Domain Controller on the same server

I am setting up a Microsoft AD to be my CA. After research, it looks like I need to have a domain controller before I can issue certs thru the CA. Would it be possible to place both the CA and the DC ...
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278 views

When installing a Windows sub CA from an offline root, how do I “recreate” it w/o reinstalling?

I have an offline root and am trying to constrain it using the EKUs so it doesn't have all application policies. Most of this is trial and error and I"d like to make this more efficient rather than ...
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1answer
645 views

Multiple CA's on Windows Server 2012

Is it possible to create multiple Certficate Authorities in Windows Server 2012? Specifically: I'd like to create a standalone root CA which will have its private key in offline secure storage. The ...
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How do I manually publish a CRL for a certificate?

I have setup a new server and installed Remote Access and Certificate Authority services so I can configure it as a VPN. I have created my own certificate through http://localhost/certsvr, and have ...
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generating client.ovpn file on android

I am developing a open source application wrapper over OpenVPN library for Android. For that I need to generate openvpn conf file. I have followed OpenVPN how but did not understand how to generate ...
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cURL looking for CA in the wrong place

On Redhat Linux, in a PHP script I am setting cURL options as such: curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, True); curl_setopt($ch, CURLOPT_CAINFO, '/home/andrew/share/cacert.pem'); Yet I am ...
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Utilizing an alternate CA (Like Microsoft Certificate Services) with Puppet

I'm investigating whether I can somehow make the puppet ecosystem utilize our existing Microsoft Enterprise CA rather than being its own CA. Since puppet touts that all of the system is "standard ...
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1answer
201 views

Client side certificates in client browsers with unix server for management

We are currently running Unix dedicated servers for everything (Web cluster, database, FTP, batch, ...) except for a Microsoft Active Directory Certificate Services. The sole purpose of this Windows ...
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1answer
227 views

Using an audio cable (or similar) to create unidirectional communication from a secure server

I'm interested in exploring how a semi-offline Root CA can be used to update CRLs to the sub CA's. This answer on Security.SE mentions using an audio cable for this purpose. Doe anyone have details ...
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1answer
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SSL certificate: unable to get local issuer certificate [closed]

I'm running Debian (Lenny). When I run this: curl --ssl https://www.google.com I get this error: curl: (60) SSL certificate problem: unable to get local issuer certificate More details here: ...
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1answer
241 views

Backing up Windows 2003 Server that has Certificate Authority

I want to export and migrate a Certificate Authority CA role from a Windows 2003 machine to a new copy of Windows 2008 R2 virtual machine. I was told that I cannot have 2 CA roles on the same network ...
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2answers
2k views

How does IE/Chrome know which Intermediate CA to use when not part of chain?

A server on my network is signed with a certificate issued by RapidSSL CA but does not supply to complete issuer chain (RapidSSL CA's certificate is issued by GeoTrust CA which is a trusted root ...
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2answers
152 views

What kind of SSL Cert do I need and where do I get it?

I want to have subdomains with SSL within my domain. The main difference is that each subdomain is hosted by a different person with a different public key/private key pair. Let me illustrate with an ...
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396 views

Certificates compartments (certmgr.msc)?

After reading a while , Im trying to understand what kind of certificates will be found at : Personal Other People Trusted Root Certicfiation Authorities will personal will contains only private ...
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AD Certificate Templates does not appear

I'm following what should be simple instructions to enable LDAP SSL on our domain controller (instructions here). Duplicating the Kerberos certificate is successful however, when attempting to select ...
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1answer
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Missing subject field values in user certificate (Windows)

I am trying to enroll (on behalf of) a user certificate but certain fields appear to be missing in the subject field. Specifically, O and OU. Using ADSI, I see that the fields have the values I want ...