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Apache HTTP Server
What is it?
The Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant
web server. Originally designed as a replacement for the NCSA HTTP
Server, it has grown to be the most popular web server on the
Internet. As a project of the Apache Software Foundation, the
developers aim to collaboratively develop and maintain a robust,
commercial-grade, standards-based server with freely available
source code.
The Latest Version
Details of the latest version can be found on the Apache HTTP
server project page under <>.
The documentation available as of the date of this release is
included in HTML format in the docs/manual/ directory. The most
up-to-date documentation for the 2.2.x releases can be found at
Please see the file called INSTALL. Platform specific notes can be
found in README.platforms.
Please see the file called LICENSE.
Cryptographic Software Notice
This distribution may include software that has been designed for use
with cryptographic software. The country in which you currently reside
may have restrictions on the import, possession, use, and/or re-export
to another country, of encryption software. BEFORE using any encryption
software, please check your country's laws, regulations and policies
concerning the import, possession, or use, and re-export of encryption
software, to see if this is permitted. See <>
for more information.
The U.S. Government Department of Commerce, Bureau of Industry and
Security (BIS), has classified this software as Export Commodity
Control Number (ECCN) 5D002.C.1, which includes information security
software using or performing cryptographic functions with asymmetric
algorithms. The form and manner of this Apache Software Foundation
distribution makes it eligible for export under the License Exception
ENC Technology Software Unrestricted (TSU) exception (see the BIS
Export Administration Regulations, Section 740.13) for both object
code and source code.
The following provides more details on the included files that
may be subject to export controls on cryptographic software:
Apache httpd 2.0 and later versions include the mod_ssl module under
for configuring and listening to connections over SSL encrypted
network sockets by performing calls to a general-purpose encryption
library, such as OpenSSL or the operating system's platform-specific
SSL facilities.
In addition, some versions of apr-util provide an abstract interface
for SSL encrypted network sockets in the files under the directory
that makes use of a general-purpose encryption library, such as
OpenSSL or the operating system's platform-specific SSL facilities.
Apache httpd currently does not use that apr-util interface.
Some object code distributions of Apache httpd, indicated with the
word "crypto" in the package name, may include object code for the
OpenSSL encryption library as distributed in open source form from
The above files are optional and may be removed if the cryptographic
functionality is not desired or needs to be excluded from redistribution.
Distribution packages of Apache httpd that include the word "nossl"
in the package name have been created without the above files and are
therefore not subject to this notice.
o If you want to be informed about new code releases, bug fixes,
security fixes, general news and information about the Apache server
subscribe to the apache-announce mailing list as described under
o If you want freely available support for running Apache please join the
Apache user community by subscribing to Users Mailing List at
<> or one of the following
USENET newsgroups:
Also available at:
o If you want commercial support for running Apache please contact
one of the companies and contractors which are listed at
o If you have a concrete bug report for Apache please go to the
Apache Group Bug Database and submit your report:
o If you want to participate in actively developing Apache please
subscribe to the `' mailing list as described at
We wish to acknowledge the following copyrighted works that
make up portions of the Apache software:
Portions of this software were developed at the National Center
for Supercomputing Applications (NCSA) at the University of
Illinois at Urbana-Champaign.
This software contains code derived from the RSA Data Security
Inc. MD5 Message-Digest Algorithm, including various
modifications by Spyglass Inc., Carnegie Mellon University, and
Bell Communications Research, Inc (Bellcore).
Regular expression support is provided by the PCRE library package, which
is open source software, written by Philip Hazel, and copyright by the
University of Cambridge, England. The original software is available from
Apache 2 relies heavily on the use of autoconf and libtool to provide
a build environment.