fast dns lookup

First, install DNS 1. Install DNS: Start-Control Panel-Add or Remove Programs-add or remove Windows components, and the following window appears: 2. Scroll down, click "Network Services" by clicking "Details", and the following window appears:

Analysis on DNS caching in Nodejs and nodejsdns Cache I accidentally saw an article about sending http requests under nodejs without caching dns results. This means that if you write an http collection program based on nodejs and do not provide dns

Accidentally saw an article about Nodejs sending an HTTP request does not cache DNS results. This means that if you write an HTTP capture program based on Nodejs, not providing DNS caching will allow each request to be silly repeatedly resolved

Both TCP and UDP are port-based protocols. TCP has links, and UDP has no links. The TCP protocol also drops packets (network problems, the data may be gone)The application is sent to the operating system's cache, and the operating system is removed

/Etc/resolv. conf This file is a DNS domain name resolution configuration file. Its format is very simple. Each line starts with a keyword, followed by configuration parameters.Resolv. conf has four keywords:Nameserver # define the IP address of the

How to Use DNS + geoip + nginx + varnish as a world-class CDN How to use bind, geoip, nginx, and varnish to create your own efficient CDN network?CDN stands for content distrubtion Network, which is a content delivery network. In short, it refers to

It is an indisputable fact that the speed of Internet connection in China is not satisfactory, so many netizens work hard to maximize the speed of Internet access. At that time, the network tools and software such as quick CAT whip and NetAnts were

This article is from the "practice test truth" blog How to use BIND, GeoIP, Nginx, and Varnish to create your own efficient CDN network?CDN stands for Content Distrubtion Network, which is a Content delivery Network. In short, it refers to Server

Vro is the main node device on the Internet. The router determines data forwarding through routing. A forwarding rule is called routing, which is also the origin of the router name (router, forwarder ). As a hub connecting different networks, the

34 Golden rules for Yahoo! website performance Best Experience Yahoo! 's exceptional Performance team brings best practices for improving Web performance. They conducted a series of experiments, developed tools, wrote a large number of articles and