How to Determine OpenSSL Version
OpenSSL is a cryptography library that supports the TLS protocol. It is used as part of the Certificate Signing Request (CSR) for SSL certificates on your web hosting server. Your OpenSSL version will affect the algorithms and protocols supported.
The instruction to display OpenSSL version is:
openssl version
You must run this instruction from the command line of your Operating System (OS). For Linux, open a terminal window using the CTRL+ALT+T key combination . For Windows servers, open the search box and type CMD to access the command prompt.
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How To Check/Find OpenSSL Version?
The OpenSSL is an open-source library that provides cryptographic functions and implementations. OpenSSL is a defacto library for cryptography-related operations and is used by a lot of different applications. OpenSSL is provided as a library and application. OpenSSL provides functions and features like SSL/TLS, SHA1, Encryption, Decryption, AES, etc.
Find OpenSSL Version
The OpenSSL provides the version command which provides information about the version, built date, platform, compiler flags, OpenSSL directory, etc. This command can be directly used to print the version of the installed OpenSSL like below.
From the output, we can see that the version is “1.2.3f”. These numbers have different meanings which are like below.
- Major Version of this OpenSSL is 1 which is the first number in the version information.
- Minor version number is 2 which is the second number in the version information.
- Letter release is “3f” which is used for bug fixing and tracking very minor releases.
- The version information also provides the build date which shows the date when the OpenSSL is build from source code as binary.
Find OpenSSL Version via Apt/Deb Package Manager
If the OpenSSL is installed via the apt or deb package manager the version information can be displayed by using these package managers. Even the OpenSSL is not installed provided OpenSSL version can be listed.
Find OpenSSL Version via Dnf/Rpm Package Manager
If the OpenSSL is installed via the dnf or yum or rpm package manager the version information can be displayed by using these package managers. Even the OpenSSL is not installed provided OpenSSL version can be listed.
Display All Information About OpenSSL
The version command can be all information about the OpenSSL in a more detailed way. The -a option is provided to the version command which lists the version and other information.
Display All Information About OpenSSL
Openssl Version Command With Code Examples
In this session, we are going to try to solve the Openssl Version Command puzzle by using the computer language. The code that follows serves as an illustration of this point.
Alternate ways to find the solution to Openssl Version Command is shown below.
By investigating a variety of use scenarios, we were able to demonstrate how to solve the Openssl Version Command problem that was present.
How do I find my OpenSSL version?
How to Find the OpenSSL Version Number
- Click the Windows "Start" button and type "cmd" into the search text box.
- Type "openssl /?" to view a list of options for the command line utility.
- Type "openssl version" and press "Enter." The OpenSSL version is displayed in the Windows command line utility.
What is the OpenSSL version?
On 7 September 2021, OpenSSL 3.0.
How do I find OpenSSL version in Linux?
version(1) — Linux man page
- Synopsis. openssl version [-a] [-v] [-b] [-o] [-f] [-p] Description.
- Options. -a. all information, this is the same as setting all the other flags. -v. the current OpenSSL version. -b. the date the current version of OpenSSL was built.
- History. The -d option was added in OpenSSL 0.9. Referenced By.
How do I know if OpenSSL is installed?
Run OpenSSL Open the command prompt using 'Windows' + 'r' then type 'cmd' to open command prompt. Type openssl version command on CLI to ensure OpenSSL is installed and configured on your Windows machine. You should see the version information if OpenSSL is configured correctly.
What is OpenSSL command?
OpenSSL is an open-source command line tool that is commonly used to generate private keys, create CSRs, install your SSL/TLS certificate, and identify certificate information.
Where OpenSSL is installed?
OpenSSL for Windows has now been installed and can be found as OpenSSL.exe in C:\OpenSSL-Win32\bin\. Always open the program as Administrator.
How can I tell if OpenSSL is working?
Using OpenSSL s_client commands to test SSL connectivity
- In the command line, enter openssl s_client -connect <hostname> : <port> . This opens an SSL connection to the specified hostname and port and prints the SSL certificate.
- Check the availability of the domain from the connection results.
How do I know if OpenSSL is installed Linux?
Find OpenSSL Version via Dnf/Rpm Package Manager If the OpenSSL is installed via the dnf or yum or rpm package manager the version information can be displayed by using these package managers. Even the OpenSSL is not installed provided OpenSSL version can be listed.23-Aug-2021
How to check OpenSSL version?
OpenSSL is an open-source software library and toolkit that implements the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols. It is widely used to secure communications over computer networks, including the Internet. OpenSSL provides cryptographic functions and utilities, making it essential for tasks such as securing web servers, encrypting data, generating certificates, and verifying digital signatures. Many web servers, applications, and operating systems incorporate OpenSSL for its encryption and security capabilities. It plays a critical role in ensuring the confidentiality and integrity of data transmitted over network connections.
To check the version of OpenSSL installed on your system, you can use the following command in the terminal or command prompt: