. If you use this method:
Httpwebrequest. headers ["host"] = "xxx.com ";
It throws an exception:
Argumentexception: The 'host' header cannot be modified directly.
Can we still meet the above requirements? The answer is yes, but the method should be changed:
The URL still uses the Domain Name:
Http://xxx.com/
Set the proxy attribute of httpwebrequest to the IP a
When switching between different network environments, You need to manually modify the IP address and IE proxy settings, which is complicated. You can write the corresponding bat batch processing script to automatically complete the configuration and achieve one-click switching. The following is an example:
@ Echo off: Echo set
PHP obtains the real IP address, even if it uses a proxy
[PHP] code
Function getRealIpAddr ()
{
If (! Empty ($ _ SERVER ['http _ CLIENT_IP '])
{
$ Ip = $ _ SERVER ['http _ CLIENT_IP '];
}
Elseif (! Empty ($ _ SERVER ['http _ X_FORWARDED_FOR '])
// Check
If it is a proxy server, the IP address is not a leak, so we can change their computer to proxy server to achieve the directory of hidden IP address, the specific method is as follows: Machine change to
Take 61.133.90.59:80@http$6132,810,811# Shandong province Yantai an agent for example.
61.133.90.59 is represented as a proxy server with an IP address of 61.133.90.59
: 80 ":" The following 80 indicates that the proxy server's service port is 80 (21, 23, 80, 1080, 3128, 8080, etc.)
HTTP, after @HTTP "@", represents th
Experimental purposes:
Verify the difference between the default route next hop and the IP on the end.
Experiment topology:
Configuration:
R1:
Interface fastethernet0/0IP address 123.1.1.1 255.255.255.0!IP Route 0.0.0.0 0.0.0.0 fastethernet0/0
R2:
Interface fastethernet0/0IP address 123.1.1.2 255.255.255.0!Int
Today in open source China to see that there is a write a small program to get the proxy IP address. Use the BeautifulSoup.Rewrite it yourself with a regular.#!/usr/bin/pythonImportRequestsImportRepattern=re.compile (R'(\d+) \d (\d+) \d (\d+) \d (\d+) \d (\d+)') Headers={'Host':"www.ip-adress.com", 'user-agent':"mozilla/5.0 (Windows NT 6.1; WOW64; rv:34.0)
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
In PHP, we generally use $ _ server ['HTTP _ host'] to obtain the domain name or IP address of the website in the URL.The explanation in the PHP manual is as follows:
"Http_host": the host of the current request: the content of the header information.
In general, this will not cause any problems. In some common PHP frameworks, such as pfc3 and flea are also based on this predefined variable.
However, whe
Configure nginx reverse proxy Apache for different ports with the same IP address (that is, nginx jumps to Apache)
Nginx and Apache have been installed in a Linux environment since the default port is 80.
Generally, the server port requested by the customer is 80 by default. Therefore, nginx serves as the static page port and is set to 80.
Set the Apache port t
'******************************
' Function: Getusertrueip ()
' Parameters: None
' Author: Arisisi
' Date: 2007/7/13
' Description: Obtain the user real IP, the proxy address is still valid; return value: The IP address of the text type
' Example: '***************************
C #: The WebBrowser control sets the proxy IP address to access the website [with source code ],Download Software source code
Http://download.csdn.net/detail/php_fly/8041731
In the C language, what is the symbol (->) and how to use it?
This is a symbol in the struct pointer. Write a program to explain it, for example:# Include Struct STU // define a struct{Int nu
What do crawlers mean when they hear the IP proxy? What are the differences between them?Why do anti-bot service always need to use a high-speed proxy?With these issues, the ant financial agent can unveil the anonymity level for you.First anonymous: the server does not know that you have used the proxy
Use Python to crawl available proxy IP addresses and python to crawl proxy ip addresses
Preface
Take the latest free proxy IP website as an example: http://www.xicidaili.com/nn /. Many IP
There are bugs in the so-called "getting real IP addresses" method on the Internet, and the multi-layer transparent proxy is not taken into account.MajorityCodeFor example:
String IPaddress = (httpcontext. Current. Request. servervariables ["http_x_forwarded_for"]! = NULL Httpcontext. Current. Request. servervariables ["http_x_forwarded_for"]! = String. Empty)? Httpcontext. Current. Request. servervariabl
Obtain the real ip address of the client and the ip address of the client
1. Need to introduce log4j-1.2.14.jar
Package org. ydd. test; import java. util. enumeration; import javax. servlet. http. httpServletRequest; import org. apache. log4j. logger;/*** @ author coco * @ version * Get IP4 */public class IP4 {private
[Original] verify whether the proxy IP is useful, the original proxy ip
///
How to verify whether the proxy IP address is valid
Open IE. Enter www.ip138.com to display your Internet
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