multi subdomain ssl certificate

Before learning about the multi-domain wildcard SSL Certificate, we will first introduce the multi-domain certificate, also known as San certificate or UCC certificate, multi-domain certificates are described as follows:Multi-domain San/ucc ssl

1, detailed description of the process of encrypting communication, combined with the best diagram.SSL Protocol Basics:The SSL protocol is located between the TCP/IP protocol and various application layer protocols, and is divided into two tiers:1)

1.man ConfigThis help document describes the specifications, format, and read methods of OPENSSL.CNF and some other auxiliary profiles. All explanations in the following article will take OPENSSL.CNF as an example unless otherwise specified.[Email

[Linux] PHP programmers play with Linux series-HTTPS in Nginx,-nginxhttps 1. PHP programmers turn to the Linux series-how to install and use CentOS 2. PHP programmers play with Linux series-lnmp Environment Construction 3. PHP programmers play with

0x01 verifies that CDN  Method 1 is present: Very simple, using a variety of multi-ping services, to see if the corresponding IP address is unique, if not the only most of the use of CDN, the multi-ping site

1 , detailed description of the process of encrypting communication, combined with the best diagram. For:one-way encryption and decryption process:Sender:1) The sender uses the method of symmetric encryption to extract the signature of the file,

In the previous article I introduced the HTTP/2 protocol, which only takes effect on HTTPS environments.In order to upgrade to the HTTP/2 protocol, you must first enable HTTPS. If you do not understand the HTTPS protocol (the scientific name of the

Curl can use the syntax of the URL to simulate a browser to transfer data,Because it is a mock browser, it also supports multiple protocols,Protocols such as FTP, FTPS, HTTP, HTTPS, GOPHER, TELNET, DICT, FILE, and LDAP can all be well supported,

index.php/*Using the PHP Curl Library, you can easily and effectively grab pages. Just run a script, then analyze the crawled pages, and then you can get the data you want in a program.Whether you want to take part of the data from a link, or take

One, what is curl?CURL is a tool that uses URL syntax to transfer files and data, and supports many protocols, such as HTTP, FTP, Telnet, and so on. Best of all, PHP also supports the CURL library. Using the PHP Curl Library, you can easily and