what is sni

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

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

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

Hackers can obtain false HTTPS authentication, Let's Encrypt, and take urgent measures Web Application Security automatic scan service detecloud security researcher recently Frans rosé n found that TLS-SNI-01 and TLS-SNI-02 allow hackers to gain

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

To reduce the scope of the read operation, this article first looks at a simple select query and then introduces additional procedures related to performing the update operation. Finally, you will read that SQL Server uses the terminology and

How to Set HTTPS policies for old browsers A few days ago, a friend asked me: we all said we recommend using the Qualys SSL Labs tool to test SSL security. Why are some of the most powerful Security manufacturers having low scores? I think this

"IP Direct solution" is mainly to solve DNS pollution, eliminate the DNS resolution time, usually we can use Nsurlprotocol interception nsurlsession request in the project, the following will support the Post request in the face of a challenge, as

Original: SQL Server 2012:SQL Server architecture--The life cycle of a query (part 1th)To reduce the scope of the read operation, this article first looks at a simple select query and then introduces additional procedures related to performing the

Our load-balancing architecture is this:Request, network---LVS cluster, Nginx cluster, APPLVS use Fullnat mode, each nginx machine has only one IP (intranet IP), LVS is also the traffic to this IP. If Nginx wants to use HTTPS for multiple domain

Program Introductionthe software involved BIND: A popular domain name resolution server, we can set which domain names need to take the encrypted line. Stunnel: The TCP protocol is encrypted with TLS, that is, an encrypted line is

How to Set HTTPS policies for old browsers A few days ago, a friend asked me: we all said we recommend using the Qualys SSL Labs tool to test SSL security. Why are some of the most powerful Security manufacturers having low scores? I think this

Implementation of domain name-based layer-7 Forwarding (NAT + reverse proxy) and layer-7 nat In the company's actual office network, because there is only one outbound IP address, port ing is required to provide external services. If multiple

Topic One: Why is HTTPS safe1. Why is HTTP not secure?The HTTP protocol belongs to the plaintext transmission protocol, the interaction process and data transmission are not encrypted, the communication parties have not carried out any

Record a pit that went through the process of upgrading HTTPSCurl: (Wuyi) ssl:certificate subject name ' mp3.xxx.com ' does not match target host name ' static.xxx.com 'Upgrade

Function-Type interfaceA core concept introduced in Java 8 is the functional interface (functional Interfaces). By adding an abstract method to the interface, these methods can be run directly from the interface. If an interface defines a unique

Nobody gets to live life backwards. Look ahead, that ' s where your The future lies.Location:newport,nj,u.sThe first time in the process of learning IntelliJ idea, the configuration of the Web. xml file is not very familiar with the HTTP listener

First let's look at the engine components of SQL Server2008, SQLServer2008 have four components: protocols, relational engines, storage engines, and Sqlos. Protocol layer (Protocol Layer) When an application communicates with the SQL Server

In recent years, I have written many articles about HTTPS and HTTP/2, covering all aspects of certificate applications, Nginx compilation and configuration, and performance optimization. In the comments of these articles, a lot of readers raised a

ObjectiveDue to the transmission of data in TCP, UDP, etc., it is possible for the packet to be intercepted by others and to parse out the information, which poses a great challenge to information security. The initial SSL protocol was proposed by