How to obtain the real IP address of nginx for reverse proxy?Real IP address used by nginxto reverse proxy1. Compile
For client-> nginxreverseproxy-> apache,
To get the real IP address in the program, you must specify the parameter "-- with-http_realip_module" when executing nginx configure, for example:
./Configure --
How to Set proxy IP addresses for Python crawlers (crawler skills) and python Crawlers
When learning Python crawlers, we often encounter the anti-crawling technology adopted by the website to be crawled. High-Intensity and efficient crawling of webpage information often puts huge pressure on the website server, therefore, if the same IP address crawls the same we
Java Dynamic Proxy modeAgent: A role represents a role in order to achieve certain specific energy work.For example: Manufacturers, middlemen, customers, the relationship between the threeCustomers do not buy products and directly with the manufacturer to deal with, also use do not know how the product is produced, the customer only with the middleman, and the middleman can travel some packaging products, for some after-sale services.
The agent mode
Java record-90-in-depth analysis of static proxy ModeThe proxy mode provides a proxy for other objects to control access to this object. In some cases, a customer does not want or cannot directly reference another object, and the agent can play a mediation role between the client and the target object. The
. weight is proportional to the access ratio, which is used when the backend server performance is uneven.
For example:
Upstream bakend {
Server 192.168.159.10 Weight = 5;
Server 192.168.159.11 Weight = 10;
}
Iii. ip_hash (IP-based hash Allocation Policy)
Each request is allocated according to the hash result of the access IP address, so that each visitor accesses a backend server at a fixed time, which ca
Proxy modeThe role of proxy mode is to provide a proxy for other objects to control access to this object.In some cases, one customer does not want or cannot directly refer to another object, and the agent underground can act as an intermediary between the client and the target object.The proxy mode typically involves
First, add the following configuration in the Nginx configurationserver { listen ; server_name Www.wenki. Info ; #要访问的域名 charset UTF8; / { proxy_pass http://wenki_info; proxy_set_header Host $host; Proxy_set_header X-real-IP $remote _addr; Proxy_set_header X-forwarded-for$proxy _add_x_forwarded_for; }}Reload the configuration using the follow
Nginx in the reverse proxy, the back end of the Nginx Web server log in the address is the address of the reverse proxy server, unable to view the real IP access of the client.Configured in the nginx.conf configuration file of the reverse proxy server.Location/BBS { proxy_pass http://192.168.214.131/bbs;
} - #Print Proxies - proxylist.append (proxies) A #Print Proxylist + returnproxylist the - defiptest (self, proxy): $ #detects IP and updates into the database, deleting the unavailable IP theIP = proxy['http'][7:].split (':') [0] the Try: theRequests.get ('http://wenshu
from fangg. sellrice ();}}
Running result:
From the source code, we can see that the client accesses the target object through a proxy, thus avoiding direct contact with the target object. Therefore, the Dota elder brother can eat the food in the canteen without having to buy his own meals, saving time. Fan ge made a little money, though not much, but he was "small profits", and he made advertisements every time he delivered meals. More customers
Using Nginx reverse proxy, how the backend Web obtains real client IPOne, Nginx reverse proxy nginx, the back end of Nginx How to configure to get to the client's real IP address it.1. First, you need to add a row of parameters to the location on the configuration file nginx.conf on the Nginx Proxy server:
Simple regular expression exercises to crawl the proxy IP.Only the first three pages are crawled, the IP address and port are filtered out using regular matching, and the Validip dictionary is stored as key and value respectively.If you want to determine whether the proxy IP is really available, you also need to re-fil
618ip proxy, which gives you an in-depth understanding of what an IP address is, how to use it, and how to change your IP address qq3218080091
IP addresses should be no stranger to those who frequently access the internet. IP addresses can be divided into Intranet
Nginx reverse proxy is a common function of the process of Web layout. After setting the reverse proxy, by reading the HTTP header inside the REMOTE_ADDR can not get the true user IP, we need to increase the nginx configuration to solve this problem.
The following is an experiment to illustrate.
Configure 1 Nginx servers and configure 3 domain names: t2.guokai.
Recently in the research crawler, need to deploy IP agent pool in front, so in open source China to find proxy pool. can automatically crawl the domestic several free IP proxy website IP, and verify the availability of IP in real
When talking about proxy IP software, many people think of problems such as "no virus" and "insecure". They always think that using proxy to disguise their IP addresses is a bad thing, in fact, this is a misunderstanding of the proxy IP
7.practices and drawbacks of static proxy modeProxy modeFor code EnhancementDisadvantages of the static proxy mode:1.If there is 100Dao in a system , create a proxy object of2, if There are many methods in a DAO that require transactions, then the method of
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