what is sni ssl

The early SSLv2 was designed according to the classic PKI (public key Infrastructure), which by default assumed that a server (or an IP) would only provide a service, so at the time of the SSL handshake, the server side could be sure which

HTTPS protocols: TLS, SSL, SNI, ALPN, PNP, snialpn HTTPS is now widely used. It brings security while introducing more complicated concepts to the Web. This includes a series of network protocols that have never been seen before. Now, based on the

Default: When the SSL protocol is used for handshake negotiation, the default is not to send the host name, that is, in the form of IP for HTTPS connection handshake negotiation, which leads to a problem, when there are multiple virtual hosts on a

First, SSL1. About SSLThe SSL protocol is located between the TCP/IP protocol and various application layer protocols, providing security support for data communication. The SSL protocol can be divided into two tiers:SSL recording Protocol (SSL

Load balancing of Nginx1. Find www.qq.com domain corresponding IP to do the test[[email protected] ~]# yum install -y bind-utils //安装dig命令包[[email protected] ~]# dig www.qq.com; > DiG 9.9.4-RedHat-9.9.4-51.el7_4.1 > www.qq.com;; global options:

How to configure multiple SSL certificates for a single Nginx IP addressBy default, an Nginx IP address only supports one SSL certificate. You need multiple IP addresses to configure multiple SSL certificates. If the public IP address is limited,

SSL/TLS is no longer a strange word, but its principles and rules are not too easy to remember. This article will try to show the principle of the process through some simple illustrations, hoping that the reader has something to gain.first, the

Https://corte.si/posts/code/mitmproxy/howitworks/index.html http://www.oschina.net/translate/how-mitmproxy-works?lang=chs&page=2# I started working on Mitmproxy because I was bored with the interception tools I used. I have a long list of mild

How do I configure multiple HTTPS virtual hosts in the Apache environment? The principles used are the same one, that is SNI. A domain-based virtual host, that is, an HTTPS virtual host that shares the same IP address and port. The sni-server name

1. Handshake and key negotiation processClient Authentication server based on RSA handshake and key exchange for an example TLS/SSL handshake processLook at a hand-drawn timing diagram. (1). Client_hello     Client initiates a request to transmit