Introduction
This document describes the procedure to generate certificates which have to be uploaded with every fresh installation of AMP Virtual Private Cloud (VPC). With the introduction of AMP Private Cloud 3.X, hostnames and certificate/key pairs are required for all of the following services:
Apr 02, 2019 Home Linux Basics: How To Create and Install SSH Keys on the. Linux Basics: How To Create and Install SSH Keys on the Shell. On this page. Installation of SSH Keys on Linux - A Step-By-Step Guide. Step One: Creation of the RSA Key Pair. The above completes the process of installing SSH keys on the Linux server. Converting OpenSSH private. How to Generate SSH Public/Private Keys on Windows By Alexandru Andrei – Posted on Sep 17, 2019 Sep 17, 2019 in Windows If you ever managed a Linux server from Windows, you probably used PuTTY or at least heard about it.
- Administration Portal
- Authentication (new in Private Cloud 3.X)
- FireAMP Console
- Disposition Server
- Disposition Server - Extended Protocol
- Disposition Update Service
- Firepower Management Center
- This article shows you how to quickly generate and use an SSH public-private key file pair for Linux VMs. You can complete these steps with the Azure Cloud Shell, a macOS or Linux host, the Windows Subsystem for Linux, and other tools that support OpenSSH.
- How to generate private key and CSR from command line This article describes how to generate a private key and CSR (Certificate Signing Request) from the command line. You may need to do this if you want to obtain an SSL certificate for a system that does not include cPanel access, such as a dedicated server or unmanaged VPS.
- Jul 08, 2009 You can also generate self signed SSL certificate for testing purpose. In this article, let us review how to generate private key file (server.key), certificate signing request file (server.csr) and webserver certificate file (server.crt) that can be used on Apache server with modssl. Key, CSR and CRT File Naming Convention.
Here, we will discuss a quick way to generate and upload the required certificates. You may tweak each of the parameters, including the hashing algorithm, key size, and others, as per your organization's policy, and your mechanism of generating these certificates might not match with what is detailed here.
Prerequisites
Components Used
Cisco recommends that you have knowledge of these topics:
- Windows Server 2008 onwards
- AMP Private Cloud installation
- Public Key Infrastructure
Requirements
The information in this document is based on these software and hardware versions:
- Windows Server 2008
- CentOS 7
- AMP Virtual Private Cloud 3.0.2
Warning: The procedure mentioned below can vary as per your CA server configuration. It is expected that the CA server of your choice is already provisioned and the configuration of the same has been completed. The following technote just describes an example of generating the certificates and Cisco TAC will not be involved in troubleshooting issues related to certificate generation and/or CA server issues of any kind.
Generate Certificates on Window Server
Ensure that the following roles are installed and configured on your Windows Server.
- Active Directory Certificate Services
- Certification Authority
- Certification Authority Web Enrollment
- Online Responder
- Certificate Enrollment Web Service
- Certificate Enrollment Policy Web Service
- Active Directory Domain Services
- DNS Servers
- Web Server (IIS)
Generate a Certificate Signing Request (CSR)
Step 1. Navigate to MMC console, and add the Certificates snap-in for your computer account as shown in the image here.
Step 2. Drill down Certificates (Local Computer) > Personal > Certificates.
Step 3. Right click on the empty space and select All Tasks > Advanced Operations > Create Custom Request
Step 4. Click Next at the Enrollment window.
Step 5. Select your certificate enrollment policy and click Next.
Step 6. Choose the template as Web Server and click Next.
Step 7. If your 'Web Server' template has been configured correctly and is available for enrollment, you will see the status as 'Available' here. Click 'Details' to expand click on Properties.
Step 8. At a minimum, add the CN and DNS attributes. The rest of the attributes can be added as per your security requirements.
Step 9. Optionally, give a Friendly Name under the General tab.
Step 10. Click on the PrivateKey tab and ensure that you're enabling Make private key exportable under the Key Options section.
Public Private Key Encryption
Step 11. Finally, click on OK. This should lead you to the Certificate Enrollment dialog from where you can click on Next.
Step 12. Browse to a location to save the .req file which will be submitted to the CA server for signing.
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Submitting the CSR to the CA and generating the certificate
Step 1. Navigate to your MS AD Certificate Services Web Page as below and click 'Request a Certificate'
Step 2. Click on the advanced certificate request link.
Step 3. Click on Submit a certificate request by using a base-64-encoded CMC or PKCS #10 file, or submit a renewal request by using a base-64-encoded PKCS #7 file.
Step 4. Open the contents of the previously saved .req file (CSR) via Notepad. Copy the contents and paste it here. Ensure that the Certificate Template is selected as Web Server
Step 5. Finally, click on Submit.
Step 6. At this point, you should be able to Download the certificate as shown in the image here.
Exporting the Private Key and converting to PEM format
Step 1. Install the certificate into your Certificate Store by opening the .cer file and clicking on Install Certificate.
Step 2. Navigate to the MMC snap-in that was selected earlier.
Step 3. Navigate to the store where the certificate was installed.
Step 4. Right click the correct certificate, select All Tasks > Export.
Step 5. At the Certificate Export Wizard, confirm to export the private key as shown in the image.
Step 6. Enter a password and click Next to save the private key on your disk.
Step 7. This will save the private key in .PFX format, however, this needs to be converted to .PEM format to use this with AMP VPC.
Step 8. Install OpenSSL libraries from here:https://wiki.openssl.org/index.php/Binaries
Step 9. Open a command prompt window and change to the directory where you installed OpenSSL.
Step 10. Run the following command to extract the private key and save it to a new file: (If your PFX file is not in the same path as where the OpenSSL library is stored, you will have to specify the exact path along with the filename)
Step 11. Now run the following command to also extract the public cert and save it to a new file:
Generate Certificate on Linux Server
Ensure that the Linux server that you're trying to generate the required certificates has the OpenSSL libraries installed. Verifying if this and the procedure listed below will vary from the Linux distribution that you're running. This portion has been documented, as done on a CentOS 7 server.
Generate Self Signed RootCA
Step 1. Generate the Private Key for Root CA certificate
Step 2. Generate the CA certificate
Generate a certificate for each service
Create the certificate for Authentication, Console, Disposition, Disposition-Extended, Update server, Firepower Management Center(FMC) service as per the DNS name entry. You need to repeat below certificate generate process for each service (Authentication, Console etc.)
Generate Private key
Replace the <example.key> with actual certificate key such as Auth-Cert.key.
Generate CSR
Replace the <example.csr> with actual certificate CSR such as Auth-Cert.csr
Generate Certificate
Replace <example.csr>, <example.crt> with actual certificate CSR and certificate name
Adding The Certificates to AMP VPC
Step 1. Once the certificates are generated from any of the above methods, upload the corresponding certificate for each of the services. If they have been generated correctly, all the check marks are enabled as seen in the image here.
Verify
There is currently no verification procedure available for this configuration.
Troubleshoot
There is currently no specific troubleshooting information available for this configuration.