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Apache HTTP Server 2.4 Limited OpenSSL Distribution
This binary installation of OpenSSL is a limited distribution of the
files derived from the OpenSSL project:
LICENSE.txt (includes openssl LICENSE)
These are the minimal libraries and tools required to use mod_ssl as
distributed with Apache HTTP Server version 2.4. No library link files,
headers or sources are distributed with this binary distribution. Please
refer to the <> site for complete source or binary
These OpenSSL binaries were built for distribution from the U.S. without
support for the patented encryption methods IDEA, MDC-2 or RC5.
The Apache HTTP Project only supports the binary distribution of these files
and development of the mod_ssl module. We cannot provide support assistance
for using or configuring the OpenSSL package or these modules. Please refer
all installation and configuration questions to the appropriate forum,
such as the user supported lists, <>
the Apache HTTP Server user's list or <> the
OpenSSL support page.
OpenSSL 1.1.1 11 Sep 2018
Copyright (c) 1998-2018 The OpenSSL Project
Copyright (c) 1995-1998 Eric A. Young, Tim J. Hudson
All rights reserved.
The OpenSSL Project is a collaborative effort to develop a robust,
commercial-grade, fully featured, and Open Source toolkit implementing the
Transport Layer Security (TLS) protocols (including SSLv3) as well as a
full-strength general purpose cryptographic library.
OpenSSL is descended from the SSLeay library developed by Eric A. Young
and Tim J. Hudson. The OpenSSL toolkit is licensed under a dual-license (the
OpenSSL license plus the SSLeay license), which means that you are free to
get and use it for commercial and non-commercial purposes as long as you
fulfill the conditions of both licenses.
The OpenSSL toolkit includes:
libssl (with platform specific naming):
Provides the client and server-side implementations for SSLv3 and TLS.
libcrypto (with platform specific naming):
Provides general cryptographic and X.509 support needed by SSL/TLS but
not logically part of it.
A command line tool that can be used for:
Creation of key parameters
Creation of X.509 certificates, CSRs and CRLs
Calculation of message digests
Encryption and decryption
SSL/TLS client and server tests
Handling of S/MIME signed or encrypted mail
And more...
See the appropriate file:
INSTALL Linux, Unix, Windows, OpenVMS, ...
NOTES.* INSTALL addendums for different platforms
See the OpenSSL website for details on how to obtain
commercial technical support. Free community support is available through the
openssl-users email list (see for further details).
If you have any problems with OpenSSL then please take the following steps
- Download the latest version from the repository
to see if the problem has already been addressed
- Configure with no-asm
- Remove compiler optimization flags
If you wish to report a bug then please include the following information
and create an issue on GitHub:
- OpenSSL version: output of 'openssl version -a'
- Configuration data: output of 'perl --dump'
- OS Name, Version, Hardware platform
- Compiler Details (name, version)
- Application Details (name, version)
- Problem Description (steps that will reproduce the problem, if known)
- Stack Traceback (if the application dumps core)
Just because something doesn't work the way you expect does not mean it
is necessarily a bug in OpenSSL. Use the openssl-users email list for this type
of query.
A number of nations restrict the use or export of cryptography. If you
are potentially subject to such restrictions you should seek competent
professional legal advice before attempting to develop or distribute
cryptographic code.