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

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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 ...
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601 views

How can i import CA certificates to my Linux server(Archlinux)? [closed]

i can only connect my server by ssh,none web browser and other GUI tools.
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1k views

RDP Certificate Distribution Points

I am receiving the message "Your computer can't connect to the remote computer because the Remote Desktop Gateway's server's certificate has expired or has been revoked" when trying to access a TS ...
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2answers
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apache Client Certificate Authentication errors: Certificate Verification: Error (18): self signed certificate

So I have been following instructions on setting up Client Certificate Authentication in Apache2 w/ mod_ssl. This is solely for the purpose of testing an application against CAA, not for any sort of ...
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1answer
952 views

Why might Windows falsely claim a self-signed root CA certificate is revoked?

I created a self-signed root CA cert for internal test use, using openssl. This has been successfully installed and used as a trusted CA on a number of machines and platforms (Windows, Linux, various ...
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1answer
606 views

How do I create a certificate with HP Systems Management Homepage with Windows 2008 R2

I'd like to get a trusted, or even better a "green bar" certificate from my Windows 2008 R2 CA to work with my Insight manger home page of https://host:2381 I tried importing the file ...
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300 views

Migrating from a standalone to enterprise CA

I want a peaceful transition from an old standalone CA into an enterprise CA. I am intending to offline the server on completion of this process. My thought process is to publish a CRL with a long ...
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1answer
166 views

Offline root CA - LDAP distribution point

What benefit is there in using the LDAP distribution point for an offline CA versus using only HTTP? It sounds like the process would be much simpler to use the HTTP distribution point only. I've ...
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2answers
618 views

Are code signing certificates automatically trusted across the domain if the root CA is trusted?

We have a Microsoft enterprise certificate authority, and I would like to start issuing a few code signing certificates. But what I'm unsure of is this: since all our domain/forest machines trust the ...
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146 views

How can I make a private SSL certificate be trusted by end-users on two seperate ActiveDirectory domains

I have a web application that utilizes SSL. The website is not publicly facing, and is for private internal access only at our enterprise. For security reasons, we run two separate Active ...
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1answer
1k views

Can I remove the DC role from a W2k8 server being an Enterprise CA?

Is it possible to run a W2k8 Enterprise (AD-integrated) Certificate Authority on a server that it not a domain controller - mine currently is a DC and I do not remember whether this was a requirement? ...
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192 views

ArcServer creates additional jobs

We're running CA ARCserve Backup r12.5 (Build 5854) - Small Business Server Edition on our Small Business Server 2008. There is a daily job which saves the systemdrive, exchange and 3 databases to our ...
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647 views

Implications of Root CA without CRL

I'm currently setting up a PKI for my company and while I have come up with a good layout and planned the overall policy of certificate issuance, I'm still puzzled by what role the CRL plays. By ...
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1k views

Issuing Computer Certificates to Non-Domain Members (Enterprise CA)

I am trying to implement remote client access using L2TP/IPSec VPN for both domain members and non-members. Domain members is fine and working OK but I am having trouble issuing a certificate to the ...
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358 views

There is no certificate chain in portal certificate file

I am trying to install Mcafee EMM in a lab environment. I have created an enterprise CA and created a certificate. But while installing the EMM, its showing the error of there is no certificate ...
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393 views

I can't install Enterprise root CA in windows 2003

I am trying to install Enterprise CA in my windows server 2003.But I can select only stand alone root CA and the stand alone subordinate CA. Other two options are not highlighted. Can anybody give me ...
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343 views

CA cert error when setting up git submodules on PPC Mac 10.5.8

I have a git repository with submodules on github, when I try and set up the submodules locally by doing: git submodule init git submodule update I get this error: error: SSL certificate problem, ...
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3answers
435 views

Run `certutil -DCInfo` on a different target domain

It seems that running certutil.exe -DCInfo Verify will check the certificates for all domain controllers in the domain of the logged-in user account. In our AD forest, we have a handful of domains. I ...
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2answers
4k views

Certificate Template Missing from “Certificate Template to Issue”

I'm having a problem similar to that posted in this question: Missing Certificate template From certificate to issue The short version is that I've created a duplicate certificate template and I'm ...
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242 views

Disaster Recovery with one 2008R2 DC and a 2003R2 DC

I am working out DR scenarios and one was making me scratch my head: Currently our domain has a 2008R2 DC and a 2003R2 DC. I know bringing restoring DCs can sometimes be harmful to an AD if others ...
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448 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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87 views

Drawbacks in use an internal CA for a production Exchange 2007/2010 SAN certificate

Is there any critical drawback in using an internal CA to release an Exchange 2007/2010 SAN certificate for a production environment?
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135 views

Understating certificate authority nesting

Given we have the following network/CA structure: Win2K8R2 - Root CA - no idea where its' certificate is? Win2K8R2 - Sub CA - obtained CA certificate from Root CA Win2K8R2 - OWA 2010 (Basically, a ...
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606 views

Renewing a OCSP and OWA certificates for Exchange 2010

We have been using an Exchange 2010 mail server for a year now. Today the certificates used in Exchange, as well as of Forefront TMG expired. We had the following certificate chain: Root CA issued a ...
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How to secure your CA's private key?

I'm about to implement my own Certification Authority (CA) for interal use only. Now there is a problem, that the CA private should never ever be exploited. So right now the private key is encrypted. ...
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300 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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Certification authority root certificate expiry and renewal

In 2004, I set up a small certification authority using OpenSSL on Linux and the simple management scripts provided with OpenVPN. In accordance with the guides I found at the time, I set the validity ...
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135 views

Use Certificate Autoenrolment with third-party Certificate Authority

Is it possible to setup Windows Domain to use Certificate Autoenrolment and third-party Certificate Authority? We think that it can be done in Windows Server 2008 only but don`t know exactly, please ...
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656 views

Disabling EFS--what to do if there are any encrypted files?

I am in the process of retiring an old Windows-integrated CA and bringing online a new, properly-configured one (several, actually). Most of our systems are unable to use EFS thanks to Group Policy... ...
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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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125 views

Generating SSL certificates

I use following commands to create certificates and private keys: ./CA.pl -newca ./CA.pl -newreq-nodes ./CA.pl -signreq And I set newcert.pem and newkey.pem as local certificate and private key ...
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SSL troubles - Generate .key from .crt? (AlphaSSL)

This is greatly troubling me, I have generated a .csr and .key file to send to dynadot (which sends that to AlphaSSL) with this command: openssl req -out foo.com.csr -new -newkey rsa:2048 -nodes ...
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825 views

Is it safe to reboot a Windows 2003 certificate authority server? What problems might occur?

My company has a Windows 2003 root certificate authority server which is used to generate client certificates for Remote Desktop Services logins, as well as certificates for internal HTTPS websites. ...
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644 views

Windows 2008 CA and Windows 2003 AD?

I have a Windows 2003 AD and I set up a root ca and a sub ca both of which are windows 2008(joined to domain).I need to use the sub ca to generate end user certificates for digital signature , they ...
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Domain Controller promotion and certificate autoenrollment

I have this AD domain where a Windows Server 2003 SP2 Enterprise Root Certification Authority is operational, and certificate autoenrollment is enabled both for users and computers; all fine and good, ...
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Apache Client Certificate Authentication

How can I configure Apache 2 (on Ubuntu 10.04) to use Client Certificate Authentication where my domain (secure.somedomain.com) is secured by a third party trusted SSL certificate, and the client ...
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329 views

Making a CA for RAS and IAS for wifi on Server 2003 Standard

I am working for a small nonprofit with a few servers running 2003 standard. Before you ask, there is no budget for server upgrades unless someone donates money for the task. I am changing over the ...
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283 views

Creating an MS Certificate Authority using CA Root Certificate created with OpenSSL

Using the guide here: http://www.davidpashley.com/articles/cert-authority.html I have create a certificate authority using OpenSSL. However I would now like to use the Microsoft CA instead. The ...
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Is there a provider that offers free SSL certificates that don't give a warning in Firefox 4?

I am looking to install SSL certificates for frequently used https services. I used to use StartSSL for this, but they "temporarily" stopped offering their services. I wonder if there are any other ...
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What happens to encrypted mails when CA certificate expires in my Windows Domain

does anybody know what will happen to encrypted /signed mails when a root authority certificate expires in my domain network? Can the certificate still be validated from the clients and will the ...
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Adding new root/enterprise CA without disturbing existing one?

I am looking at installing a new AD-integrated enterprise certificate authority structure, but have discovered that somebody already has created a CA (mostly used for SSL on internal websites). I ...
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521 views

What are the steps to create a local domain CA certificate for code signing (and export it to .pfx)?

I want to sign a .NET assembly with a code signing certificate from my local domain CA. I tried sending a certificate request and got back a signed certificate from my local domain CA in my local ...
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Certification Authority Service starts and stops SBS 2008

We moved from a SBS 2003 Server to a SBS 2008 server relatively recently because the SBS 2003 was having major hardware issues. I followed the Migration guide to the letter and everything seemed to ...
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2answers
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Windows Server 2003 Root CA - what can cause root CA cert to update?

I am specifically referring to a self-created Root CA on our domain controller (Windows Server 2003 SP2) that all our domain clients trust for internal use, not GoDaddy, Verisign, etc Root CA. Maybe ...
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How to configure squid for inspecting https requests and pages?

I wish to allow squid to block https requests by full URL regex matching (not just domain) and to block https responses by inspecting page contents. Is there some step by step guide for how to set ...
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CA server is going to be decommissioned. What will happen with internal-reverse proxy connection?

Tell me please what will happen if my ssl CA server is decommissioned and I am using certificates signed by this CA to establish connection between internal Apaches and reverse proxies Apaches? ...
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431 views

Looking for a solution to organization's Emails using Encryption certificates, details on requirements inside

We are interested in rising the security level of the corporate emails for a few reasons: 1) Protect internal information from leaks. 2) Mails to customers would be Signed. 3) A way to mark that a ...
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5k views

Lync Server Deploy Certificate Verification Failed

Just got my Lync server deployed on Windows Server 2008 R2 and am trying to connect via Lync client on a different machine. When attempting to sign in, the client throws an error saying "Cannot sign ...
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140 views

Hierarchical certification authorities and CRLs

If I implement a PKI with multiple levels of CAs, do I need to have a CRL for each individual CA or can I just have one CRL for the entire hierarchy (i.e. point all certificates to a single CRL), or ...
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Does any Certificate Authority support both SAN and wildcards?

My basic quandry is that wildcard certificates don't support subdomains of subdomains, nor do they help with alternate domain names. Basically, if my CN is example.com, I want a Subject Alternative ...