dns lookup

When first joining the domain, the client makes general DNS and LDAP queries and gets a list of all the domain controllers In the domain, and it goes down the list, trying LDAP binds, and the first successful DC so it binds to-that is the F Irst DC

Document directory 1. First, you have to enter the URL in your browser: 2. Search for the IP address of the domain name in the browser 3. the browser sends an HTTP request to the web server 4. Permanent redirect response of the facebook

Baidu 2015 interview: Enter the URL in the address bar of the browser and press Enter. What exactly happened ?, 2015url As a software developer, you will surely have a complete hierarchical understanding of how network applications work. The

Document directory 2. Use the CSS genie to reduce HTTP requests 3. Load CSS first and then load Javascript 4. Concurrent downloading with subdomain names 5. Adding an Expires header Loading webpages as quickly as possible is very important

Document directory 1. First, you have to enter the URL in your browser: 2. Search for the IP address of the domain name in the browser 3. the browser sends an HTTP request to the Web server 4. Permanent redirect response of the Facebook

You can reduce the pressure to protect your network by using the following four steps. Here are some ways to strengthen your network defenses. Recently, Microsoft is promoting that if you want to get a truly secure network, you have to focus on 5

When it comes to configuring a new Cisco router, most configurations depend on the type of router and the purpose it will serve. However, each administrator has its own "correct" configuration for each router's list of commands. The author will

During connection, the server can only obtain the IP address of the client. If you want to obtain the host name of the client for logging and providing it to CGI programs, you need to use the HostnameLookups option, set it to On to enable the DNS

The golden rule for performance is only 10% & amp; ndash; 20% of end users spend time downloading HTML documents, and the remaining 80% ~ 90% of the time is spent on all the components on the download page (80%-90% of the user's waiting time is from

The following is a draft of "the performance of Open Source Applications" (POSA), which is also Successor of architecture of Open Source Applications .POSA includes a number of papers on performance optimization and design, as well as performance

What will happen when you enter a URL? (Transfer), actual website1. First, you have to enter the URL in your browser: 2. Search for the IP address of the domain name in the browser The first step in the navigation is to find the IP address of the

From: http://article.yeeyan.org/view/54517/91367 As a software developer, you will surely have a complete hierarchical understanding of how network applications work. The technologies used by these applications include browsers, HTTP, HTML, network

[ZZ from: http://www.yining.org/2007/08/29/dns-lookup-domain-names-and-cookies/]Reducing DNS lookup can shorten the page response time, but it is not the best way to reduce DNS lookup to one by using only one domain name for all website resources.

Web performance involves a wide range, but generally web developers have encountered performance problems after the program is launched. The general manifestation is that the page speed starts to rapidly slow, and the normal access time changes to a

The following is a draft of "the performance of Open source Applications" (POSA) and the successor to the Architecture of open source applications.Posa includes a number of papers on performance optimization and design, as well as performance

 Abstract: This article is a summary of the high-performance website construction after the author reads the "high-performance website construction Guide", a total of 14 points. Today, I roughly browsed "High Performance Web Sites". The Chinese

Front-end optimization and web Front-end OptimizationBest Web Front-end optimization practices and tools published on | 15423 views | source Googe & Yahoo | 113 comments | author Wang Guo compiled Web optimization Google Yahoo PageSpeedYSlowAbstract:

In the Web experience, we often encounter this situation, that is, when calling Baidu union, Google alliance, and domain name files outside the domain name where the current webpage is located, the request latency is very serious. Is there a way to

Which command standard do you want Cisco to use on each vro? Each administrator configures the commands of each vro correctly. The ten commands in this article are what I think you should configure on each vro, with no special order. 1. configure a

101 optimization tips for MySQL databases under the CentOS ServerMySQL server hardware and operating system adjustment: 1. Have enough physical memory to load the entire InnoDB file into the memory. The speed of accessing files in the memory is much