This article mainly introduces PHP to check whether the client uses the proxy server and its anonymous level. if you need a friend, you can refer to it to determine whether the client uses the proxy server, it can be determined by the environment variable information sent by the client.
Specifically, it refers to the
To determine whether a client uses a proxy server, it can be judged from the environment variable information sent by the client.Specifically, just look at the Http_via field, if this field is set, the client uses a proxy server.The anonymous level can be judged by the following table.Give an example of application, you can hang up the agent trial effect: http://
Why use a proxy server does not need to say more.Use proxyJava provides a proxy class implementation to communicate using proxies. constructor proxy for the proxy class (Proxy.type type, socketaddress sa). Where type represents the proxy
In a recent project, you need to determine whether the client uses a proxy and its anonymous level. after reviewing some files, record them and share them with your proxy server.
To determine whether the client uses a proxy server, you can determine from the environment va
Build a high-performance enterprise-level gateway and proxy server under FreeBSD
FreeBSD + PF + squid
1. kernel Compilation
To make FreeBSD a shared Internet server, we also need to compile a new kernel.
(1) Compile the Kernel configuration file
First, we need to compile the Kernel configuration file to support pF and bandwidth control. After logging on to the
To determine whether a client uses a proxy server, it can be judged from the environment variable information sent by the client.Specifically, just look at the Http_via field, if this field is set, the client uses a proxy server.The anonymous level can be judged by the following table.Give an example of application, you can hang up the agent trial effect: http://
I. basic configuration
Configure two NICs for the Squid Proxy Server
WAN: eth0: 10.10.10.200 gateway and DNS must be configured to allow Internet access
LAN: eth1: 172.161.254 do not need to configure gateway or DNS
Clinet: 172.16.1.2/24 gateway and DNS need to be configured
Squid (proxy) Port: 3128
System
Host Name
Server
Introduction: A machine with a dedicated line access to the Internet as a firewall, in the intranet segment has a WWW server
(Redhat 6.1,apache 1.3.9) expects this machine to provide WWW server and Apache based
File services. For the external world to publicly access the WWW server, or the field branch to download the required files.
Advantages: The internal WWW
To determine whether a client uses a proxy server, you can judge from the environment variable information sent by the client.
Specifically, look at the Http_via field, if this field is set, the client uses a proxy server.
Anonymous levels can be judged by reference to the table below.
Give an example of an applicat
10 practical interview questions and answers on the Squid Proxy Server in Linux
Not only do system administrators and network administrators often hear the word "Proxy Server", but we also often hear it. Proxy servers have become the norm of enterprises and are often exposed
One. Proxy Server1. Basic concepts of Proxy ServerProxy Server is a transit point of network information, which is simply the agent between personal network and Internet service provider, which is responsible for forwarding legitimate network information and controlling and registering the forwarding.When using a Web browser to browse the network information, if
(Stringutils.isnotblank (QueryValue)) {Locationurl+= "?" +QueryValue; } ioutils.write (Httputils.sendget (Locationurl, request), Response.getoutputstream ()); } Public voidInit (Filterconfig fconfig)throwsservletexception {} @SuppressWarnings ("Unused") PrivateString Solveurl (httpservletrequest request) {returnRequest.getrequesturi (). ReplaceAll (Request.getcontextpath (), ""); } Public Static voidMain (string[] args) {}}Ideas are as follows:1. First of all, so the request must g
In the use of Thunder download network resources when appropriate to set the agent can improve download speed, that thunderbolt how to set up agents?
Open Thunderbolt, click the menu "Tools"-"Set Up Agent", click the "Add" button can add agents.
Agent Name: This is for the convenience of memory, casually enter a name.
Server: This is the IP address of the input proxy
A simple record of squid transparent proxy server configuration
Environment: VirtualBox + CentOS 6.0 + squid-3.1.4-1.el6.i686
0, check squid is installed by default, no installation of the first installation
The code is as follows:
[Root@slyar ~]# Rpm-qa Squid
squid-3.1.4-1.el6.i686
1, the virtual machine add dual network card, all set up bridge, configure Ip,eth0 as an extranet, eth1 as the intranet,
To determine whether the client uses a proxy server, you can determine from the environment variable information sent by the client.
Specifically, it refers to the HTTP_VIA field. If this field is set, the client uses the proxy server.
The anonymous level can be determined by referring to the following table.
Give an a
dial-up access is a cheap and practical way to access the Internet for small groups of users or home users. On the LAN, through Proxy Server software can solve the problem of multi-user sharing access to the Internet, the proxy server is essentially a bridge between the user community and the Internet, in order to achi
Router Some features are like a proxy server, will be connected to the router LAN port of all the machine can through it has a non-flocculation access to the Internet,wan port to connect to the modem to access the Internet, my machine is connected to one of the routers, Here according to my actual situation here to configure the proxy
This article describes how to install node and nginx for the Ubuntu Server 12.04 LTS 64-bit host on Tencent Cloud, and simply configure the reverse proxy.
The author in the entire installation process encountered a lot of trouble (not to repeat), if you want to pit less, you can follow the steps of this article to install the deployment.A. New Nodejs installation
Using NVM (Node version manager) is highly
To determine whether a client uses a proxy server, you can judge from the environment variable information sent by the client.
Specifically, look at the Http_via field, if this field is set, the client uses a proxy server.
Anonymous levels can be judged by reference to the table below.
Give an example of an applicat
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