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This article is about how to open sni in apache2, the editor thinks it is very practical, so I share it with you to learn. I hope you can get something after reading this article.

Baidu has been looking for it for a long time, recompiling and translating without mentioning the most important one.

Under Ubuntu 16.04, OpenSSL has compiled SNI support by default, so it is one sentence for Apache2 to turn on SNI:

Just remove the comment symbol (#) before # SSLStrictSNIVHostCheck On at the end of the / etc/apache2/mods-available/ssl.conf file

Don't forget to restart apache!

Apache introduction

In 1995, the developers of the National computer Security Association (NCSA) created the NCSZ global network service software, whose biggest feature is the HTTP daemon, which is easier to configure and create by source code than the CERN server at that time, and because of the lack of other server software at that time, it quickly became popular. But then, almost all the core developers of the server left NCSA, and some users formed an organization to manage the patches they wrote, and Apache Group came into being. They call the server software Apache. Apache comes from the pronunciation of A patchy server, which means a server full of patches. Today, Apache has slowly become the most popular Web server software on Internet. Of all the Web server software, Apache has an absolute advantage, far ahead of Microsoft IIS, which ranks second. Apache as one of the free software, like other free software, they are implemented and gradually improved by many free developers, so we have reason to believe that the development prospect of Apache will be better.

Introduction to Apache version

There are now three versions of Apache HTTP, 1.3, 2.0 and 2.2

In its 1.x version, although Apache has been stable and powerful enough and has achieved a pivotal position, there are still areas that it cannot cover, allowing some non-full-featured WEB servers to gain the market. In 2.x, this situation has been greatly improved, compilation and installation has become a bit easier, Apache uses the standard GNU automatic setup tool, for the Windows platform, it also provides a graphical installation interface. In terms of setup, the new version removes some confusing indicators, but most of the work is still based on a file's settings file. It can be a bit of a hassle for users who are used to setting up tools for graphical interfaces. Setup tools are separate from the core release package, and some similar ApacheConf can be obtained free of charge or at a very low price. Using these tools, you can easily set up Apache.

From an operational point of view, the Apache2.X version is more powerful and extensible than the previous version. A multi-threaded / multi-process hybrid module allows it to take full advantage of host performance of all sizes, from a typical X86 server running only a small site to a mainframe running multiple virtual instances at the same time, which Apache1.3 lacks. The new version provides support for specific platforms and several common modules in the form of plug-ins. Official support for IPV6 is ready for Internet upgrades, and support for HTTP1.1 improves the performance of proxy servers.

In addition, several modules to enhance security and manageability have been added to the core release package of the new version: mod_auth_ldap introduces authentication based on LDAP (Lightweight Directory Access Protocol), and the mod_autoindex module can easily generate directory lists for visitors to use, while the mod_deflate module allows content to be compressed before sending to save bandwidth.

For stability and scalability, Apache 2.0 is used in this article

The above is how to open sni in apache2. The editor believes that there are some knowledge points that we may see or use in our daily work. I hope you can learn more from this article. For more details, please follow the industry information channel.

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