# OPENSSL-VERSION(1SSL) - man - phpMan

[OPENSSL-VERSION(1SSL)](https://www.chedong.com/phpMan.php/man/OPENSSL-VERSION/1SSL/markdown)                          OpenSSL                         [OPENSSL-VERSION(1SSL)](https://www.chedong.com/phpMan.php/man/OPENSSL-VERSION/1SSL/markdown)



## NAME
       openssl-version - print OpenSSL version information

## SYNOPSIS
       **openssl** **version** [**-help**] [**-a**] [**-v**] [**-b**] [**-o**] [**-f**] [**-p**] [**-d**] [**-e**] [**-m**] [**-r**] [**-c**]

## DESCRIPTION
       This command is used to print out version information about OpenSSL.

## OPTIONS
### -help
           Print out a usage message.

### -a

### -v

### -b

### -o

### -f

### -p

### -d

### -e

### -m

### -r

### -c

## NOTES
       The output of "openssl version -a" would typically be used when sending in a bug report.

## COPYRIGHT
       Copyright 2000-2020 The OpenSSL Project Authors. All Rights Reserved.

       Licensed under the Apache License 2.0 (the "License").  You may not use this file except in
       compliance with the License.  You can obtain a copy in the file LICENSE in the source
       distribution or at <<https://www.openssl.org/source/license.html>>.



3.0.2                                        2026-04-07                        [OPENSSL-VERSION(1SSL)](https://www.chedong.com/phpMan.php/man/OPENSSL-VERSION/1SSL/markdown)