Transparent firewall (bridge + iptables + squid)-Linux Enterprise Application-Linux server application information. For more information, see the following. Setting up transparent proxy and firewall is a hot topic on the linux platform. There are also related articles on shuimu, but there are very few full strategies on the public network. Recently, one of them has been deployed, I spent more than a week (my hands and feet are slow, don't laugh, and t
Description:When a client requests a Web page through a proxy, the specified proxy server checks its own cache and, if there is already a page in the cache that the client needs to access (Red 1 2 3 4), directly feeds the page content in the cache to the client, or if there are no pages in the cache that the client needs to access (Blue 1 2 3 4), The proxy server sends an access request to the Internet, and when the returned Web page is obtained, the Web page data is saved to the cache and sent
1. Install squid-2.5Groupadd squidUseradd? G squidRpm? Ivh squid-2.5.STABLE3-3.3E.i386.rpmIi. Configure squid. conf:# Set the proxy port of SQUID (with the IP address added, Squid will not listen to external network interfaces)Http_port 192.168.0.1: 3128# The configuration o
Objective
Here, we want to configure a proxy Server that only provides proxy services to the internal network. It has the following functions it divides the user into two kinds of advanced users and ordinary users, and uses the network card Physical Address recognition method for the advanced users.
Ordinary users need to enter a username and password to normal use. Advanced users do not have access time and file type restrictions, while ordinary users can access only at work and some other re
Squid is a software used to cache Internet data. It receives user download requests and automatically processes the downloaded data. When a user wants to download a home page, he/she can send an application to Squid to download the page instead of Squid. Then, Squid connects to the requested website and requests the ho
Brief introduction:Squid reverse proxy is often used for server side, Client access Squid Proxy Server 80 port, Squid Proxy Server according to the configuration to request the backend Web server,The requested information is then saved locally and passed back to the client, and when another client requests the same resource, the SQUID proxy server directly passes
I. What is Squid?
Squid is a software used to buffer Internet data. In this way, it implements its function by accepting requests from the target (object) that people need to download and processing these requests as appropriate. That is to say, if a person wants to download a web page, he requests Squid to get it for him. Sq
Objective:
This paper mainly introduces the use of Squid and Squidguard configuration Proxy server in Linux, with the WWW Proxy service as an example to explain how to filter harmful sites and restrict users ' access to the Internet.
I. INTRODUCTION
Squid is the most popular proxy server software under Linux, it is powerful, support for Http,ftp,gopher,ssl and WAIS, and other protocols agent; Simple to s
Squid as the application layer of agent services software,squid is mainly used to provide cache acceleration, application layer filtering control functions.Working mechanism:When a client requests a Web page through a proxy , the specified vigorously server checks its own cache, and if a page is already in the cache that the client needs, the page content in the cache is directly fed back to the client, and
Server Load Balancing Scheme with a large number of users
I. Preface
Ii. Compilation and Installation
Iii. Install MySQL and memcache
4. install Apache, PHP, eaccelerator, and PHP-memcache
5. Install squid
Vi. Postscript
I. Preface and preparations
Currently, the lamp development model is the first choice for web development. How to build an efficient, reliable, and stable web server has always been a hot topic.
This is an attempt on this topic.
The
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Download the squid of windwosnt: HTTP://Squid. acmeconsulting. it/Download/Squid-2.6. Stable13-Bin.zip 1. Put squid-2.6. Stable13-Decompress bin.zip and copy the squid folder
Common configurations of squid Proxy
Squid. conf is the main configuration file of squid. Common configuration items include:
Http_port 192.168.8.88: 3128
# Specify the listening port and IP address
Cache_mem 64 MB
# Set the memory size used for caching,
# MB can be used to save frequently accessed web pages.
Maximum_object_size 4096 KB
# Maximum object size that
1 Check if squid software is installed # Rpm-qa|grep Squid 2 If it is not installed, install it using the Yum method # yum-y Install Squid 3 Setting up boot from # chkconfig--level squid on//automatic squid service on 3 and 5 levels 4, configuration Squid's main configurati
The main server group, and then uses Squid to reverse cache port web80 to accelerate your website. portal websites such as 163, sina, and chinaitlab are basically using this technology. The advantage is that. for example, it accelerates the network and protects against hackers (because they see CDN hosts)This is an application that uses the Squid reverse cluster mode.
Network Environment:
Master server grou
Previously, due to work requirements, the agent server on the Linux server needs to install squid. The following is a description.
The most simple way to install squid is to upgrade the latest version of RPM package under the http://www.squid-cache.org, now is version 2.5, just install. In some versions of Linux, squid has been installed during the security perio
access and mobile office work have become the common needs of various social organizations to improve work efficiency and competitiveness. Due to the popularity and development of the Internet, the IPSec VPN technology enables remote access to a large amount of data, providing a low operating cost and high production efficiency remote access method. However, IPSec VPN is also insufficient. It is very compl
With the built-in routing and Remote Access capabilities of Windows Server systems, it's no novelty to set up a VPN server, but by this method, a series of complex and cumbersome settings are required, and it is clear that the erection of "engineering" will make many novice users discouraged! In order to be able to chat between, can let you rookie friends easily set up a VPN server, this article deliberatel
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