sophos proxy server

1 forward proxy : Clients cannot access the external Web directly, they need to set up a proxy server in the same network as the client, and the client accesses the external Web through the proxy server (requires proxy

Generally, ArcGIS Server is located on the local network after the Web server. in the production environment, this network is generally kept confidential and located after the firewall, this is one of the reasons why ArcGIS Server does not recommend enabling the firewall on the local network. However, the firewall is not enabled (or the firewall is enabled but po

Description Shadowsocks is a lightweight SOCKS5 agent software, And Hadowsocks-libev is a SOCKS5 agent software based on Shadowsocks protocol, Compared with the original, Hadowsocks-libev program is small, high concurrency, less resource occupancy, cross-platform, fully compatible Shadowsocks protocol. Hadowsocks-libev consists of three modules: Ss-server: Server-side

I. Concepts of reverse proxy and Server Load balancer Before understanding the concepts of reverse proxy and Server Load balancer, we must first understand the concept of a cluster. Simply put, a cluster is a server that does the same thing, such as a web cluster, database c

Recently intends to study the Nginx source code, see the online introduction Nginx can be used as a reverse proxy server to complete load balancing. So the content of the reverse proxy server is collected and consolidated.an overviewThe reverse proxy method is a

Testing with Curl proxy access, the server test is feasible, local but show blank, ask what is the situation, proxy IP is online search, available function curl_string ($url, $user _agent, $proxy) { $ch = Curl_init (); curl_setopt ($ch, Curlopt_proxy, $proxy)

The rapid development of INTERNET since the beginning of 1990s has rapidly changed people's lives and work. More and more companies have connected their local networks to the INTERNET. Of course, there are various ways to access the Internet. Generally, individual users can connect to the Internet by buying a modem over a telephone line. Because of the large number of computers and the large demand for communications, the company generally uses leased line access methods. However, leased lines

Build Squid Proxy Server Prepare the environment: Client: 192.168.118.4 Squid Proxy Server: 192.168.118.3 (intranet IP) 1.1.1.1 (Internet IP) Web server: 1.1.1.2 Goal: the client accesses the Web server through the Squid

In Java, the basic settings of the proxy server are completed by setting system properties. The proxy server is verified by setting the HTTP request header.The following is a simple example for your reference: // Open an HTTP Connection Based on the URLHttpurlconnection con = (httpurlconnection) (new URL (URL). openco

This experiment is illustrated by examples, from the operating conditions, background, requirements, and specific requirements of several parts.1. Operating conditions:(1) A virtual machine with a Windows Server 2003 system installed with a proxy service program2. Background:In order to improve staff productivity, reduce the bad behavior such as online games during work, an enterprise network administratorI

Muduo network programming example 10: SOCKS4A proxy server Chen Shuo (giantchen_at_gmail) Blog.csdn.net/solstice t.sina.com.cn/giantchen This is the tenth article in The muduo network programming example series.ArticleThis series is coming to an end. Muduo full article list: http://blog.csdn.net/Solstice/category/779646.aspx This article introduces how to use muduo to implement a simple SOCKS4A

1. A Brief introductionProxy Serveris an important server security feature that works primarily in the session layer of the Open Systems Interconnection (OSI) model, and thus acts as a firewall . The Proxy server is mostly used to connect Internet (Internet) and intranet ( LAN ). Main is the agent network users to obtain network information. The image says, it

AjaxIn Web application development, Ajax is the most common technique used to interact with the server side. Ajax is the use of JavaScript to create a HttpRequest, asynchronous way to get data from the server. Let's look at a simple example:Ext.onready (function() {Ext.define (' Person ', {extend:' Ext.data.Model ', fields: [' Name ', ' age '] }); varstore = ext.create (' Ext.data.Store ', {model:' Perso

1. Proxy Server:A server in the middle of the client and the Internet, if you use a proxy server, when we browse the information, we first make a request to the proxy server, and then the prox