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How to implement Nginx current limiting

How to implement Nginx current limiting

How does nginx current limiting work? Nginx current limiting uses the leaky bucket algorithm (leakybucket algorithm), which is widely used in communications and packet switching-based computer networks to handle emergencies when bandwidth is limited. The principle is very similar to a bucket with water entering from above and leaking from below; if the rate of water inflow is greater than the rate of water leakage, the bucket will overflow. In the request processing process, the water represents the request from the client, and the bucket represents a queue in which the request is waiting to be processed according to the first-in-first-out (fifo) algorithm. A leak means a request leaves the buffer and is processed by the server, an overflow means a request is dropped and never served. 1. Limit access frequency (normal traffic) ngi

May 18, 2023 pm 12:07 PM
nginx
How to intercept uri in nginx location

How to intercept uri in nginx location

Note: The root and aliasroot instructions in location only set the search root to the directory set by root, that is, the uri will not be truncated. Instead, the original uri will be used to jump to the directory to find the file. The aias instruction will truncate the matching uri, and then Use the path set by alias plus the remaining uri as a sub-path to find the uri of proxy_pass in location. If the url of proxy_pass does not have uri, if the tail is "/", the matching uri will be truncated. If the tail is not "/", then Will not truncate the matching uri if the proxy_pass url contains uri

May 18, 2023 pm 12:07 PM
nginx location uri
How to configure basic memory pool initialization in Nginx

How to configure basic memory pool initialization in Nginx

Initialization of ngx_cycle During the entire initialization process, the most important thing is the initialization of the global variable nginx_cycle. Many variables are initialized during this process. nginx_cycle is initialized through two local variables init_cycle and cycle. In fact, log initialization can also be regarded as Initialization of nginx_cyle, because what happens next in the code is an assignment ngx_memzero(&init_cycle,sizeof(ngx_cycle_t));init_cycle.log=log;ngx_cycle=&init_cycl

May 18, 2023 pm 12:01 PM
nginx
How to configure nginx server multi-site

How to configure nginx server multi-site

1. First, find the location of the nginx configuration file. The nginx.conf file on Alibaba Cloud is in /alidata/server/nginx-1.4.4/conf. 2. Then create a vhosts directory in the conf directory. This directory is used to store the configuration files of different sites. 3. Then, add a line include/alidata/server/nginx/conf/vhosts/*.conf;userwwwwww;worker_processes1;error_log/alidata/log/nginx/error at the end of nginx.conf

May 18, 2023 am 11:29 AM
nginx
How to solve 403 caused by Nginx website root directory change

How to solve 403 caused by Nginx website root directory change

1. Change the root directory. The default website root directory of nginx is /usr/local/nginx/html. To change it to /home/fuxiao/www, change the method: vi/usr/local/nginx/conf/nginx.conf. Change location/{roothtml;indexindex.phpindex.htmlindex.htm;} to location/{root/home/fuxiao/www;indexindex.phpindex.htmlindex.htm;} and then change location~\.php${ro

May 18, 2023 am 10:28 AM
nginx
How to configure Nginx to divert traffic based on the last segment of the request IP

How to configure Nginx to divert traffic based on the last segment of the request IP

Mainly the configuration jump of the if judgment in the location parameter, offloading can reduce the load and pressure of the server. This is a very common server deployment architecture. Jump according to the range of the last segment of ip #Please modify the domain name, ip, port and other information yourself upstreamhuaji-01.com{server192.168.1.100:8080;}upstreamhuaji-02.com{server192.168.1.200:8080;} server{listen80;server_namewww.huaji.com;location/{if($remote_addr~

May 18, 2023 am 10:10 AM
nginx
How to customize exclusive 404 page in Nginx

How to customize exclusive 404 page in Nginx

The first: Nginx's own error page Nginx accesses a static html page. When this page does not exist, Nginx throws 404. So how to return 404 to the client? Look at the configuration below. In this case, there is no need to modify any parameters to achieve this function. server{listen80;server_namewww.test.com;root/var/www/test;indexindex.htmlindex.htm;location/{}#Define the error page code. If the corresponding error page code appears, forward it there. error_page404403500502503

May 18, 2023 am 09:04 AM
nginx
How to configure and use proxy protocol in nginx

How to configure and use proxy protocol in nginx

When proxyprotocol is used in nginx, we know that nginx is a web server and proxy server. It generally works behind proxyserver or load balancing software (Haproxy, Amazon Elastic LoadBalancer (ELB)). The client first requests proxyserver or LSB load balancing software, and then to nginx Perform real web access. Because it has gone through multiple layers of software, some client information such as IP address, port number, etc. may be hidden, which is detrimental to our problem analysis and data statistics. Because for nginx, We want to be able to get real clients

May 18, 2023 am 08:47 AM
nginx proxy protocol
How to solve the problems encountered when installing vsftpd in nginx

How to solve the problems encountered when installing vsftpd in nginx

The simplest installation steps [root@itdragon~]#useraddftpuser[root@itdragon~]#passwdftpuserchangingpasswordforuserftpuser.newpassword:badpassword:itistooshortbadpassword:istoosimpleretypenewpassword:passwd:allauthenticationtokensupdatedsuccessfully.[root@itdragon~]#yum-yi

May 18, 2023 am 08:40 AM
nginx vsftpd
How to use Nginx to deal with cross-domain issues in the Vue development environment

How to use Nginx to deal with cross-domain issues in the Vue development environment

1. The local test domain name needs to be the same as the online domain name in order to correctly deliver cookies and perform SSO testing. Note: Since the relevant cookies are added to the fourth-level domain name after sso login, the local test domain name and the online interface domain name need to be the same. 2. The plan is to configure the host file so that the online domain name points to localhost: 127.0.0.1product.xxx.xxx.com and configure nginx for corresponding forwarding: server{listen80;listen[::]:80;server_name${product.xxx.xxx. com};location/api{proxy_passhtt

May 18, 2023 am 08:28 AM
VUE nginx
How to configure Nginx to prohibit access to a certain directory or file

How to configure Nginx to prohibit access to a certain directory or file

Copy the code as follows: location=/config/{return404;} location=/config.ini{return404;} This will only prohibit access to //www.jb51.net/path/ Copy the code as follows: location=/path/{ return404;} Access to //www.jb51.net/path/test.php is prohibited. Copy the code as follows: location^~/test{denyall;} Maybe test should be replaced with path.

May 18, 2023 am 08:04 AM
nginx
Nginx installation and configuration example analysis

Nginx installation and configuration example analysis

nginx is a free, open source, high-performance http server and reverse proxy server; it is also an imap, pop3, and smtp proxy server; nginx can be used as an http server for website publishing and processing, and nginx can be used as a reverse proxy server. The proxy implements load balancing. Here we briefly introduce nginx reverse proxy load balancing nginx features from three aspects: 1. Reverse proxy About proxy Speaking of proxy, first we have to clarify a concept, the so-called proxy is a representative and a channel; at this time, we design two Roles, one is the agent role and the other is the target role. The process in which the agent role accesses the target role to complete some tasks through this agent is called agency.

May 17, 2023 pm 11:28 PM
nginx
How to set WordPress pseudo-static in Nginx

How to set WordPress pseudo-static in Nginx

First, configure the server module in nginx as follows: location/{if(-f$request_filename/index.html){rewrite(.*)$1/index.htmlbreak;}if(-f$request_filename/index.php) {rewrite(.*)$1/index.php;}if(!-f$request_filename){rewrite(.*)/index.php;}}After the configuration is completed, restart nginx and then go to the "Settings" in the WordPress blog background --"fixed

May 17, 2023 pm 11:25 PM
WordPress nginx
How to configure nginx multiple locations

How to configure nginx multiple locations

Preface Configuring multiple locations under nginxserver performs different processing according to different path matching. Commonly used regular expression syntax rules for nginx: The beginning of location[=|~|~*|^~]/uri/{…}= means: exact match. Starting with ^~ means: it is case-sensitive and starts with something. Starting with ~ means: case-sensitive regular matching. Starting with ~* means: case-insensitive regular matching. !~ and !~* respectively represent: case-sensitive non-matching and case-insensitive non-matching regular matching. / means: universal matching, any request will be matched. In the case of multiple location configurations, the matching order is (not verified): match = first, then

May 17, 2023 pm 10:25 PM
nginx location

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