@ Zheng yu Summary
I. symptom: Java httpclient initiates an HTTP request to the WebService interface under the x××× open. x××. com domain name from the master station data center, which is extremely slow. Troubleshooting:
1.1. wget test
I. DNS basics [DNS System (server) Working Principle and attack protection methodology]
DNS: Domain Name System, the Domain Name resolution server. Its role on the Internet is to convert the Domain Name into an IP address that can be recognized by
This article introduces the implementation of PHP with a section of the query DNS domain name information code, there is a need for a friend reference.In PHP, domain-related operations typically use two functions, namely: gethostbyname () and
Apache configuration file httpd.conf Chinese detailed## The configuration file based on the NCSA server is written by Rob McCool, Longzi translation## Apache Server master configuration file. Includes directory settings for server directives.# More
Recently, "High-performance PHP application development," the book read two times, I think it has benefited, the book is more extensive, is an empirical content, suggest that you have time to look at the detailed, based on this deliberately the
PHP Build and Basics
The 1.php development environment is built:
1. Build under Linux
linux+apache+mysql+php
2. Setting up under Window
Apache+php+mysql+phpmyadmin
View Port: Cmd-->netstat-an
Installation method:
1. Kit Installation:
Common kit:
Apache is a highly configurable software. It has many features, but each one is expensive. To some extent, optimizing Apache involves allocating resources in an appropriate way and simplifying the configuration to include only necessary content.
Optimize PHP. Apache is a highly configurable software. It has many features, but each one is expensive. To some extent, optimizing Apache is to allocate resources in an appropriate way. Apache is a highly configurable software. It has many features,
PHP is so tightly integrated with web pages that it is easy to forget that this language can also be used to execute other functions-data encryption, window application and interface programming are three examples. Since network programming is the
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