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"HTTP to https" two: request let's encrypt issue SSL certificate

Article: Tiele CatJanuary 12, 2017Request let's encrypt issue SSL certificateThe service is provided by ISRG (Internet Security Research Group), a ISRG from a nonprofit organization in the state of California, USA. Let's Encrypt is supported by many companies and organizations such as Mozilla, Cisco, Akamai, Electronic Frontier Foundation and Chrome, and has grown rapidly.For domain name ownership verification, two ways are supported: placing temporar

How much does the HTTP protocol know-about http1.x, HTTP2, Spdy

the client to send the request, which is a shackle to meet the status of preload.the advent of HTTP 2.0 has greatly improved Web performance compared to HTTP 1.x. The network latency is further reduced on the basis of full semantic compatibility with http/1.1. For front-end developers, there is no doubt that the front-end optimization work is reduced. This article summarizes the basic technical points of the HTTP 2.0 protocol, contacts the relevant knowledge, and explores how HTTP 2.0 can impro

How much does the HTTP protocol know-about http1.x, HTTP2, Spdy

the client to send the request, which is a shackle to meet the status of preload.the advent of HTTP 2.0 has greatly improved Web performance compared to HTTP 1.x. The network latency is further reduced on the basis of full semantic compatibility with http/1.1. For front-end developers, there is no doubt that the front-end optimization work is reduced. This article summarizes the basic technical points of the HTTP 2.0 protocol, contacts the relevant knowledge, and explores how HTTP 2.0 can impro

Web Program Performance optimization

geographic distribution, do not attempt to refactor the Web application to accommodate the distributed schema.Changing the schema will result in multiple recurring tasks, such as synchronizing session state and replicating database transactions between multiple servers.This attempt to shorten the user-to-content distance may be delayed or blocked by the application schema revision.We also remember that 80-90% 's end-user response time was spent on various elements of the download page, such as

What happened in the process of entering the URL and displaying the Web page? (Transfer from 88 old Port)

backed up in many CDN data centers around the world.Static content often represents the bandwidth size of the site and can be easily replicated through a CDN. A third-party CDN is usually used by the website. For example, Facebook's static files are hosted by Akamai, the largest CDN provider.For example, you might get a response from a akamai.net server when you try to ping static.ak.fbcdn.net. Interestingly, when you ping again, the server may be di

Yahoo website performance optimization of the 34 rule

90% of the response time in the end user's response time is used to download images, stylesheets, scripts, Flash, and other page content. This is the Golden Code of website performance. It would be a little better to distribute static content first, than to redesign your application architecture for a more difficult task. This not only shortens response times, but it is easier to implement for content distribution networks.Content Delivery Network,cdn is made up of a series of Web servers scatt

APM Best Practices: WEB 2.0 and Ajax four optimization strategies

the operation. For example, when a user hovers over a drop-down menu, the corresponding option is displayed.Content Distribution Network (CDN). Typically, HTTP requests from the browser are filled in by a CDN or other caching technology, which avoids the performance discount that comes with the backend Web server at all times. This approach is designed to provide better performance for static content such as images. For example, Akamai (Network acces

From the input URL to the display page of the entire process analysis "go"

distribution Network". Facebook uses content distribution networks (CDNs) to distribute static files like images, CSS tables, and JavaScript files. As a result, these files will be backed up in many CDN data centers around the world.Static content often represents the bandwidth size of the site and can be easily replicated through a CDN. A third-party CDN is usually used by the website. For example, Facebook's static files are hosted by Akamai, the l

Nginx Configuration free HTTPS encryption certificate

that's how Linux should learn 2018-05-11 .Lab Environment: CentOS Linux release 7.3.1611 (Core)Kernel version: Linux version 3.10.0-514.el7.x86_64Nginx version: Nginx-1.13.0Let's encrypt is a free, automated, open certification authority. Sponsored by many companies and organizations such as Mozilla, Cisco, Chrome, Facebook, and Akamai, the security is stable and reliable. Specific information can go to Letsencrypt official website for more details.T

Nginx Install lets Encrypt SSL free HTTPS encryption certificate

Linux Nginx Website: Certbot installation configuration lets Encrypt SSL free HTTPS encryption certificateOriginal address: https://renwole.com/archives/157 Lab Environment: CentOS Linux Release 7.2Kernel version: Linux version 3.10.0-514.26.2.el7.x86_64Nginx version: Nginx-1.13.0 Let's encrypt is a free, automated, open certification authority. Sponsored by many companies and organizations such as Mozilla, Cisco, Chrome, Facebook, and Akamai

Habit and unaccustomed, whether they like it or not, should stick.

Internet servers, and its services are not a browser, although the service is experienced by the user in the browser. Google's flagship product, the search service, does not even host the content it allows users to search for. Very much like a telephone call process, not only at both ends of the call, but also in the middle of the network. As an intermediary between users and their online experience, Google works in the space between browsers, search engines, and final content servers. "Google'

34 Golden rules for Yahoo! website Performance Best Experience

services like Akamai technologies,mirror image Internet, or limelight Networks is very high. For start-ups and personal sites, it may not be possible to use CDN's cost budget, but as the target user base expands and becomes more globalized, CDN is required to achieve fast response. In the case of Yahoo, the static content of the website program they transferred to the CDN saved more than 20% of the end-user response time. Using CDN is a way to dramat

Apply lets encrypt permanent free SSL certificate process tutorials and FAQ

Let ' s encrypt as a public and free SSL project is gradually spread and use by the vast number of users, is by Mozilla, Cisco, Akamai, Identrust, eff and other organizations to launch, The main goal is also to promote the Web site from HTTP to https over the process, there are more and more businesses to join and sponsorship support. The advent of let's encrypt free SSL certificate will also be a blow to the traditional provider of paid SSL Certifica

Website HTTPS application let s encrypt certificate tutorial

50.62.56.98 # GodaddyWww.startssl.com has address 104.192.110.222 # Qihu 360 Inc.Www.startssl.com has address 50.62.133.237 # Godaddy The following is an excerpt from Weibo comments: @ruanyf If you are using the free certificate provided by STARTSSL, please be careful. Its private key server is now in the 360 room, which means theoretically 360 can impersonate your site. Web LinksAs soon as this message was released, there were also users who disabled the system's Startssl root certificate, w

Oneinstack automatically deploy let ' s encrypt certificate

Let's encrypt is a joint project initiated by the Electronic Outpost Foundation, the Mozilla Foundation, Akamai, the University of Michigan and Cisco. It is designed to provide a free, fully automated certificate application process for webmasters so that the entire Internet can enjoy HTTPS encryption. Let's encrypt certificate application process is simple, secure, fast, automated, and free. Let ' s encrypt is an intermediate CA whose CA certificate

Detailed Redis application scenarios and application examples

request through different rule sets. The realization method of Viacom Although many organizations use ORM and traditional relational databases to solve this problem, Viacom uses a radically different approach. In essence, they cannot afford to have direct access to the database at all. First, most of them deal with streaming data, preferring to use Akamai to distribute content geographically. Second, the complexity of the page may take tens of tho

34 lines to improve website access speed (1-3)

download pages of pictures, style sheets, scripts, flash these components. This is the Golden Rule of website display . so instead of redesigning the structure of the site, it's better to implement the distribution of these static components first. This is not only a significant reduction in response time, but also a simple task because of the presence of content distributed networks (delivery networks). Content Distributed Network (CDN) is a collection of servers distributed in different regi

"Video broadcast technology detailed" series of five: push stream and transmission

the origin and destination of all the traffic information, but also real-time, and then give you a clear road, how magical, but these we in livenet have already been implemented. Here's a look at the traditional content distribution network. 1. Why there is a content distribution network, the origin of the content distribution network The internet originated in an internal U.S. military network, Tim Berners-lee is one of the Internet inventors, he has long foreseen that in the near future netwo

How to optimize the loading time and performance of your website

With the rapid development of the Internet, in today's Internet is a very fast platform, netizens want in the shortest possible time to find the information they want. According to the survey by Akamai, the world's largest CDN service provider, if a page is loaded for more than 4 seconds, 75% of visitors will exit directly. What is this warning to our webmaster? The answer is very simple, as a webmaster we need to optimize the loading time of the site

ASM 11g new features-How ASM disk Resync works. [ID 466326.1]

I. ASM fast disk Resync Overview 1) when we take a disk offline in case the disk is already upted or database is not able to read or write from the disk. in case of Oracle Database 10 Gb, Oracle engine use to balance the other disks with the content of offline disk. this process was a relatively costly operation, and cocould take hours to complete, even if the disk failure was only a transient failure. 2) Oracle Database 11g introduces the ASM fast mirror Resync feature that signiicantly CES the

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