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introduce Hypertext Transfer Protocol HTTP protocol is used to transfer information between Web browser and Web server. HTTP protocol sends content in clear text without providing any way of data encryption. If an attacker intercepts the transmission message between Web browser and Web server, he can directly read the information. In order to ...

Bidirectional authentication of Nginx 1, Foreword Reference link OPENSSL encryption DSA,RSA introduction By default, the client trusts the authoritative CA organization, and the operating system has built-in CA certificate. To put it bluntly, the operating system has the public key of CA certificate by default. For example, we can acc ...

  Download Caddy caddy official website download address https://caddyserver.com/download . You can also directly Click here Download the Linux amd 64 version. The latest version is 2.4.6 If you need to apply for a pan domain name certificate, you need to check the plug-in of the corresponding dns provider, such as cloudflare Note: cloudflare ...

1, Compilation and installation of openssl Library Create a new folder under the working directory. Download the openssl library compressed package from the official website and extract it to the folder 1|wget https://www.openssl.org/source/openssl-1.1.1.tar.gz 2|tar -vxf openssl-1.1.1.tar.gz Enter the extracted file directory, namely o ...

1.Cookie object: cookie is a session technology, which is used to save the data in the session to the user's browser, so that the browser and server can better interact with each other; Create Serlet: Create a chapter05 project, create a package you like, and write a Servlet class called lastaccessservlet in the package to obtain Cookie info ...

During the development process, you may often encounter some https certificate related errors when using curl to request or git to clone the remote warehouse. We have sorted out some common errors and the summary of solutions to keep them updated. You are also welcome to provide other better solutions in your comments. Knowledge supplement: wha ...

1, OpenSSL memory allocation When users use memory, the error they are prone to make is memory leak. When users call memory allocation and release functions, it is more difficult to find memory leaks. OpenSSL provides built-in memory allocation / release functions. If the user calls OpenSSL's memor ...

Introduction to Rancher Rancher is a container management platform that helps organizations deploy and manage containers quickly and easily in a production environment.Rancher can easily manage Kubernetes in a variety of environments, meet IT needs, and support the DevOps team.Kubernetes has not only become a container organization standard, ...

In the previous section, we talked about the configuration of haproxy's access control ACL. For a review, please refer to https://www.cnblogs.com/qiuhom-1874/p/12817773.html ; Today let's talk about the configuration of haproxy's https, tcp-based four-tier load balancing, and access control. First let's look at the configuration of haproxy's ht ...

With PHP 7.4, there is an extension that I think is very useful: PHP FFI (Foreign Function interface), which refers to a description in PHP FFI RFC   For PHP, FFI opens a way to write PHP extensions and bindings to C libraries in pure PHP. Yes, FFI provides high-level languages to call each other directly. For PHP, FFI allows us to call various ...