what is 503

: This article describes how to limit the number of ip requests and the number of concurrent requests in phpnginx. For more information about PHP tutorials, see. How to set a limit on the number of accesses of an IP address in a certain period of

Appliesto: OracleDatabase Applies: oracle Database-Enterprise Edition-Version 10.2.0.1 to 12.1.0.1 [Release 10.2 to 12.1] Other UNIX Goal To show how to install/deinstall and/or disable/enable the following database components at the ORACLE_HOME

1. Configure nginx. conf The code is as follows:Copy code Http {.............Limit_zone one $ binary_remote_addr 10 m; // I remember the default configuration, but it is commented out. If it is not added..............Server

/*** book: "Thinking In Java" * Features: Philosophers eating problems * as philosophers, they are poor, so they can only buy five chopsticks. They sat around the table and put a chopstick between each person. When a philosopher wants to eat, the

First, you need to know what the HTTP status code is: the HTTP status code is a three-digit code used to indicate the HTTP response status of the Web server. When a client sends an HTTP request to the Web server, the server returns a response code.

1. Install haproxyhaproxymachine haproxy.1wt.deu tarzxvfhaproxy-1.4.25.tar.gz cdhaproxy-1.4.25makeTARGETlinux26makeinstallmkdir-pusrlocalhaproxychownnobody: nobodyusrlocalhaproxymkdiretchaproxycpexampleshaprox I. the installation of haproxy machine

Matt Borland translator: nixe0nBrief introductionA summary of the concept of chroot cage (jail)Postfix Wizard Process AnalysisA imprison (jail) howto:icecastFirst step: Install Icecast in a cage (jail) environmentStep Two: Configure the cage (jail)

Onenumber of IIS connectionsGenerally purchased virtual host friends are familiar with the purchase, will limit the number of IIS connections, as the name implies that the IIS server can accommodate the maximum number of connections requested by the

Baidu Crawler in the crawl and processing, is based on the HTTP protocol specification to set the corresponding logic, so please webmaster also try to reference the HTTP protocol on the meaning of the return code to set the definition. 　Baidu

$request = $_server["Request_uri"];$params = Str_replace ('/basketball/', ' ', $request);if (empty ($params)) {Header (' http/1.1 503 Service unavailable. ', TRUE, 503);Echo ' Your View folder path does not appear to be set correctly. Please open

1. After installation, Web access cannot be started during configuration,/Etc/init. d/vmware-mgmt restart cannot be started normallyView logs:Vim/var/log/messagesMar 16 15:44:00 file VMware [init]:/usr/lib/vmware/bin/vmware-hostd: Error while

Mobile phone key values of different brands1. Model: Mitsubishi m350/m750The key value corresponds to hexadecimalLeft and Right soft keys are not defined-OK key-6 FATop key-1 ffDown key-2 FeLeft-click-3 FDRight-click-4 fcDial-5 FB====================

Mobile phone key value-----------------------------------------------------------------Mitsubishi m350/m750 The key value corresponds to hexadecimal Left and Right soft keys are not defined-OK key-6 FATop key-1 ffDown key-2 FeLeft-click-3

Which HTTP header information status code should I send to the search engine when the website is offline for maintenance? Posted on November 27,200 9 by zhounaiming Returning the correct HTTP header information status code to the search engine is

This post describes six MCTs certifications and three MCPD certifications on the. NET 3.5 platform, as well as their exam-related resources and bibliography. Each of the six MCTs subjects has a common subject between 70 and 536, Which is. NET 2.0

There are two modules for restricting IP connections and concurrency:Click the hyperlink below to view the official details of the corresponding module Limit_req_zone is used to limit the number of requests per unit of time, which is the

1, user and user group files in Linux, user account, user password, user group information and user group password are stored in different configuration files. In a Linux system, the user account that is created and its associated information

1, user and user group files   in Linux, user accounts, user passwords, user group information, and user group passwords are stored in different configuration files.     in Linux systems, the user accounts created and their related information

Environment Description:#主库RAC环境#备库RAC环境, operating system AIX 6.1 database version 11.2.0.3Error Description:#主库备份控制文件, transfer to Repository, restore errorThis document is divided into two stages: First stage: Error occurred, query related

This article is the fourth in the GC expert series. In the first understanding of Java garbage Collection, we learned several different GC algorithm processing processes, the way GC works, the difference between the new generation and the old age.