How to Install SSL Certificate on Juniper?

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Install SSL on Juniper

Unlock secure online communication with this comprehensive guide. We will explain installing an SSL Certificate on Juniper devices ensuring that your data transmissions remain fortified against potential threats.

Before embarking on the installation journey, you must possess all the essential SSL files from your trusted Certificate Authority (CA).

If you need guidance in generating a Certificate Signing Request (CSR), our tutorial’s initial segment provides instructions to help you pave the way for a secure digital future. With the SSL Certificate in place, your online interactions will be protected by encryption, offering you a shielded digital experience that inspires confidence and trust.

How to Generate a CSR Code on Juniper?

Creating a Certificate Signing Request (CSR) is crucial in obtaining an SSL certificate for your Juniper network. This guide will walk you through generating a CSR code on Juniper, ensuring the security of your network communication.

Step 1: Access the Juniper Admin Console

Log in to your Juniper Admin Console using your administrator credentials.

Step 2: Navigate to the CSR Generation Page

  1. Go to “System.”
  2. Click “Configuration.”
  3. Select “Certificates.”
  4. Then, press “Device Certificates.”

Step 3: Generate the CSR

  1. Click the “New CSR” button.
  2. On the “New Certificate Signing Request” page, input the following information:
  • Common Name: Enter the Fully Qualified Domain Name (FQDN) you want to secure (e.g., For wildcard certificates, prefix an asterisk (*).
  • Organization Name: Provide your organization’s official name (e.g., Your Company LLC). For Domain Validation certificates, use “NA.”
  • Organizational Unit: Specify the department’s name for making the request (e.g., IT or Web Administration). For Domain Validation certificates, use “NA.”
  • Locality or City: Enter the full name of your organization’s location (e.g., San Francisco).
  • State or Province: Write the full name of your organization’s registered state (e.g., California).
  • Country Name: Provide the two-letter code for your country (e.g., US).
  • Email Address: Input a valid email address.
  • Key Length: Select the 2048-bit option for enhanced security.
  1. In the final field, add random characters to improve the system’s random key generator.
  2. Click the “Create CSR” button.

Step 4: Save the CSR Code

  1. On the next page, locate “Step 1.”
  2. Copy and save the CSR code into plain text like Notepad, including the “BEGIN NEW CERTIFICATE REQUEST” and “END NEW CERTIFICATE REQUEST” tags.

Step 5: Use the CSR Code for Your SSL Certificate Order

  1. You will be prompted to provide the CSR code During your SSL certificate order process with your chosen SSL vendor.
  2. Paste the previously saved CSR code into the appropriate field during the order.

Generating a CSR code on Juniper is a fundamental step toward securing your network with an SSL certificate. By following these instructions, you’ve created a Certificate Signing Request that can be used to obtain a trusted SSL certificate from your SSL vendor.

How to Get an SSL Certificate on Juniper?

One critical aspect of this security is the proper installation of SSL certificates. This guide will walk you through the comprehensive process of installing an SSL certificate on Juniper devices.

By following these instructions, you can ensure that your network communications are encrypted and secure.

Step 1: Gather Your Certificate Files

Once you receive the SSL certificate files from your trusted Certificate Authority (CA), you can initiate the installation process. Here’s what you need to do:

  1. Download the ZIP Archive: The ZIP archive contains your SSL certificate and its corresponding Intermediate CA certificate. These certificates are typically provided in formats like x509, .cer, .crt, or .pem.
  1. Extract and Organize: Extract the contents of the ZIP archive. Among the extracted files, locate your SSL certificate and Intermediate CA certificate. These certificates play a crucial role in establishing a secure connection.
  1. Create Separate Text Files: To facilitate the installation process, copy the contents of your SSL certificate and paste them into a new text file. Save this file with the .cer extension. Repeat the same process for the Intermediate CA certificate, ensuring that it’s also saved as a .cer file.
  1. Handling Multiple Intermediate Certificates: Some CAs might provide multiple Intermediate CA certificates to ensure compatibility with older browser versions. In such cases, each Intermediate CA certificate should be copied into a separate .cer file. Remember, only one certificate should be uploaded at a time.

Step 2: Import Intermediate Certificates

The Intermediate CA certificates play a vital role in establishing the trust chain. Follow these steps to import them to your Juniper device:

  1. Access the Admin Console: Log in to the Juniper device’s Admin Console.
  1. Navigate to Certificates: Go to System and Configuration.
  1. Select Certificates, then Device Certificates within the Admin Console.
  1. Import Intermediate Device CAs: Locate and click on the option for Intermediate Device CAs. This step ensures that the trust chain is established correctly.
  1. Import the Certificates: Click the “Import CA Certificate” button. You will be prompted to upload the Intermediate CA certificate file you prepared earlier. Select the file and click “Import Certificate.”
  1. Confirmation and Completion: A confirmation message will appear once the upload is successful. Click “Done” to finalize the process.

Step 3: Import Your SSL Certificate

Now that the trust chain has been established, it’s time to import your SSL certificate:

  1. Access the Pending CSR: Within the Device Certificates section, locate and click on the pending Certificate Signing Request (CSR) related to your SSL certificate.
  1. Navigate to Import: Proceed to Step 2 of the Pending Certificate Signing Request page. Here, you will find an option to import the signed SSL certificate.
  1. Import the SSL Certificate: Click the “Import” button and browse your primary SSL certificate file (saved with the .cer extension). Select the file and click “Import.”
  1. Confirmation and Verification: A confirmation message will appear upon successful upload. Your SSL certificate will now be listed among the Device Certificates.

You have installed an SSL certificate on your Juniper device by following these steps. This installation ensures that your network communications are secured through encryption, bolstering your network’s overall integrity and providing a safer environment for data transmission. Congratulations on completing this essential security task!

Securing your network infrastructure with SSL certificates is crucial in maintaining data integrity and user trust. However, the installation process is just the beginning. Monitoring its status is essential to ensure that your SSL certificate is configured and free from vulnerabilities.

Generating and Installing an SSL Certificate on EX-Series Switches for Linux and BSD:

Securing your network infrastructure is foremost. To ensure encrypted communication and data integrity on EX-Series Switches, generating and installing SSL certificates is essential.

This section will walk you through generating and installing a Linux or BSD SSL certificate on EX-Series Switches using OpenSSL.

Step 1: Generate the SSL Certificate

  1. Log into your Unix server (BSD or Linux).
  2. Open a terminal window.
  3. Use OpenSSL to generate a self-signed SSL certificate in PEM format. This command creates a certificate named “Test_Cert.pem” with an unencrypted 2048-bit RSA private key:
openssl req -x509 -sha256 -nodes -days 365 -new key rsa:2048 -keyout Test_Cert.pem -out Test_Cert.pem
  1. Follow the prompts to provide the required information for the identification form. For example, enter “US” for the country name.
  1. Verify that the certificate file has been created:
ls -l Test_Cert.pem

Ensure the file contains the sections:


… (private key content) …




… (certificate content) …


Step 2: Copy the Certificate to the Switch

Copy the self-signed certificate in PEM format to the target switch. For instance, copy it to the “/var/tmp” directory:

scp Test_Cert.pem user@switch:/var/tmp/

Step 3: Install the SSL Certificate on the Switch

  1. Log into the switch.
  2. Set the local X.509 certificate name. For example, use “cert_01”:
set security certificates local cert_01 load-key-file /var/tmp/Test_Cert.pem
  1. Enable the HTTPS service with the local certificate named “cert_01” on port 443 (default port):
set system services web-management https local-certificate cert_01 interface me0.0 port 443
  1. Commit the changes:
  1. Verify that the HTTPS service is enabled:

run show configuration system services

Step 4: Access J-Web Securely

  1. Open your web browser.
  2. Type the following link in the address bar, replacing “ip_address_of_me0.0” with the actual IP address of your switch’s me0.0 interface: https://ip_address_of_me0.0
  1. You can now securely access the J-Web interface, benefiting from encrypted communication and enhanced security.

Following these steps, you have successfully generated and installed an SSL certificate on your EX-Series Switch, ensuring secure communication and data protection.

This process enhances the integrity of your network infrastructure and maintains a higher level of security in your operations.

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