. 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
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
This article mainly introduces Python implementation to check whether the proxy IP Address can go through the wall. This article provides the implementation code directly. If you need it, you can refer to the wall which is really hateful! In the IT circle, you often need to use gg to query information (you can also access 1024, ^ _ ^ ...). Of course, you can also
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
:
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 address you want to access, as follows:
HttpWebRequest.
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
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
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
'******************************
' 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: '***************************
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
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
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
class, I began to study this afternoon if the limit is bypassed, first I think of using my computer to connect to the campus network after the proxy server, the other students of the computer through my proxy server will be able to surf the internet, said dry dry.Fortunately, the notebook has two network cards, Ethernet cable, WLAN connection to the dormitory router, in the routerSet the
In practice, due to office network restrictions, you must specify a proxy when connecting to the Internet,
However, when accessing servers with some virtual host domain names, there is no corresponding DNS resolution record. Therefore, it is very troublesome to manually configure the hosts file for ing.
According to the java.net. url API, we sorted out how to set the proxy server and customize the Host head
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