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

learn more… | top users | synonyms (1)

0
votes
0answers
61 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 ...
1
vote
0answers
42 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 ...
0
votes
1answer
187 views

Win2008 SRV Certutil csv option not present

I have an Enterprise Certificate Authority running well. I am attempting to automate some monitoring tasks using batch files and the certutil.exe command. After reading the documentation at: ...
5
votes
1answer
479 views

How do I configure AD CS to support Name Constraints (4.2.1.11 in RFC 2459)?

I am trying to figure out how to do Qualified Subordination with the critical extension set, but I'm unable to figure out how to do this in MSFT AD CS. For a given certificate, how do I make sure ...
1
vote
2answers
79 views

Which operating systems ship with StartCom_Certification_Authority.pem

I purchased some (cheap) HTTPS certificates from StartSSL. They work great on all browsers I tested. According to this post they are even recognized in IE 7 and 8, which good enough for me. However, ...
10
votes
3answers
667 views

Why issue a SSL certificate that expires in 2037?

In Firefox, if I view the Verisign Universal Root Certificate Authority, I notice that it expires in 2037. (Settings tab -> advanced -> view certificates -> VeriSign Universal Root Certification ...
0
votes
1answer
140 views

Auto-enrollment certificate without enroll permission

I am Domain Admin of a company. We implement Active Directory Certificate Services in our company for email signature and encryption. Because we have more than 1000 users in our company, we want to ...
0
votes
1answer
2k views

LDAP-based Apache auth (mod_ldap + mod_authnz_ldap) using own CA for SSL/TLS

SOLVED: Turned out problem was caused by forgotten legacy LDAPTrustedGlobalCert directives in various config files, using old certificate for the same FQDN tl;dr: We uses a self-signed CA and we ...
1
vote
0answers
517 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 ...
0
votes
1answer
345 views

Is it safe to delete Exchange/IIs server certificate that is not tied to any service?

Exchange [EMC] View of certs Name: Blank Self Signed: False Status: The cert is valid for exchange server usage Services: None Subject: CN=Servername.domain.local Issuer: CN=Domain-servername-CA ...
0
votes
1answer
26 views

How can I get HTTPS working with this particular site?

I am trying to make an SSL wrapper to a website (and eventually redirect all HTTP requests to the HTTPS domain), on a Saucy EC2 instance. Right now Apache restarts without reported error, and it ...
1
vote
2answers
469 views

Postfix, TLS and StartSSL certificates

I recently changed my postfix installation to use TLS with a certificate issued by StartSSL. I then ran SMTP and TLS checks with no errors or warnings. Everything seemed to work fine. My problem now ...
-1
votes
1answer
165 views

How can I create a free certificate for HTTPS with Apache / Ubuntu?

I have been presently muddling with StartSSL and have found it something of a challenge. Most recently I had, I thought, created and downloaded a private key, and a certificate... but they don't ...
0
votes
2answers
77 views

Send a server certificate to a customer in pkcs?

I was asked by a customer / partner company to send them the certificate for one our webservers and the corresponding root ca certificate in .pkcs or .pem format to install it in his Riverbed proxy ...
2
votes
1answer
39 views

Does certificate-based Hyper-V replication work when the CA is offline?

We are using Hyper-V replication on Windows Server 2012+ outside Active Directory, so we are using SSL certificates issued by our own internal CA. When setting up replication, I made sure that both ...
2
votes
1answer
252 views

How to issue a cert for web hosting using ad cert authority

I need to issue a certificate for SSL binding in IIS using Active Directory Certificate Authority. As far as I understand it should have Purpose=Auth Server and contain private key/be exportable. ...
0
votes
1answer
1k views

Change certificate auto enrollment settings from long gone CA to new CA

We started getting event ID 13 from a our domain controllers: Certificate enrollment for Local system failed to enroll for a DomainController certificate with request ID N/A from ...
2
votes
1answer
295 views

In place upgrade on a Windows 2003 with Certificate services

I'm looking to do an in-place upgrade for 2 Windows 2003 servers domain controllers running certificates to Windows 2008 R2. Will it work, has anyone tried this, and will I need to do anything with ...
5
votes
1answer
7k views

Install a root certificate in CentOS 6

I know it has been already asked, but despite many hours of research I couldn't find a working solution. I am trying to install my root certificate in my server, so internal service can bind to each ...
1
vote
1answer
84 views

Anyone know of a way to find all certs that weren't auto-enrolled?

I'm in the process of moving an Active Directory Certificate Services role over to a new 2012 server. The new server will be issuing new certs and I need to find all certs that weren't handed out by ...
2
votes
1answer
641 views

OpenVPN fails while openssl verifies ok

I have recently created a new CA certificate, as the old one was about to expire. I deployed this certificate to our OpenVPN server, and on it the verification of local certificate goes ok with both ...
1
vote
1answer
170 views

LDAPS Only Works on Domain Certificate Authority and Not on Other Domain Controllers - Active Directory Certificate Services - Windows Server 2008 R2

I have 3 Domain Controllers with Active Directory role installed on them. I installed Certificate Services on one of the Domain Controllers. I am able to LDAPS to it, but not the others even though ...
1
vote
1answer
166 views

override specific DN fields when signing csr

When signing CSR on CA side, how can I override specific DN fields by custom value? I want to ignore what is written in CSR. For example in C= and O= fields and replace them by something static. Other ...
0
votes
1answer
429 views

Windows Server 2008 R2 creating a multi-year client certificate using the IIS certsrv page while deploying SSTP VPN

I am trying to follow instructions on Technet about deploying a Standard (non-enterprise) SSTP based VPN) that were originally written for Server 2008, but I am using Server 2008 R2, I have gotten as ...
1
vote
0answers
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 ...
0
votes
1answer
101 views

OpenVPN: Single certificate authority, multiple VPNs

The company in which I work has a single site (I'll refer it as "Site A"). There are several private networks within site A. We have a running instance of OpenVPN which allows some employees to ...
3
votes
2answers
204 views

Using our own certificate authority for business email encryption

I've read the available similar questions on serverfault but I haven't quite found a definite answer to the security aspect of it - hence here's my question: I'm administrator of an office working ...
0
votes
1answer
197 views

Windows Xp Autoenrollment Issue

i've trouble to auto enroll for Xp Clients. I setup up an two tier ca on windows 2012 and configured Autoenrollment. So far i just have been testing with Windows 7 Client and i have no issue at all. I ...
0
votes
1answer
69 views

OpenSSL not using CA directory

OpenSSL will not verify a cert $openssl s_client -connect <host>:443 ... Verify return code: 21 (unable to verify the first certificate) However, if we figure out the location of the store $ ...
0
votes
1answer
23 views

What refer/mean “Remote Server Authentication” at Apache mod_ssl doc?

The part of the doc in that such term is used is this. Can anybody give some context or explain me what mean Remote Server Authentication there? I know that Apache server can authenticate clients but ...
2
votes
1answer
2k views

Where to get root CA certificates for Windows Server now that Microsoft no longer updates them?

Microsoft removed root CA updates from WSUS in January 2013. I now have some fresh installs of Windows Server 2012 that have an insufficient set of root CAs (basically just Microsoft's own CAs). This ...
2
votes
1answer
108 views

Openvpn signing certificates with wrong CA

I have a working (until now) ubuntu openvpn server. I think that my server is using a wrong CA to sign client CRTs. E.g: I use "source ./vars" followed by "./build-key john.doe" and it all works ...
1
vote
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 ...
5
votes
1answer
861 views

IIS no longer trusts any CAs for client authentication

Yesterday the IIS on our build server (running Windows Server 2012) started refusing our clients' certificates. The certificates are signed using our own self-signed CA cert that has been added to ...
2
votes
1answer
2k views

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 ...
1
vote
2answers
1k views

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 ...
5
votes
1answer
625 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 ...
-1
votes
1answer
280 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. ...
0
votes
1answer
401 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 ...
5
votes
1answer
134 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 ...
3
votes
1answer
762 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 ...
5
votes
1answer
127 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 ...
1
vote
0answers
697 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 ...
1
vote
2answers
431 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 ...
2
votes
4answers
380 views

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 ...
1
vote
2answers
218 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 ...
3
votes
1answer
2k views

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 ...
0
votes
1answer
223 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 ...
1
vote
0answers
704 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 ...
1
vote
1answer
242 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 ...