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 popula
Set up this server, so that the client through the setting Proxy server squid to browse the Web page, through the proxy server SOCKS5 to use QQ, MSN, Securities and other services, the following brief introduction of the server's erection process.
I. Installation of Freebsd6.0release
Download the latest version of Freebsd6.0release from Ftp://ftp.freebsd.org/pu
be implemented in iptables)The Internet Nic is eth0, the Intranet Nic is eht1, and 192.168.1.201 and 192.168.0.201 are bound to eth1.Cp eth1 eth1: 1Modify eht1: 1If there is no restriction, use the MAC flag for IP addresses after 192.168.0.201.Because AS3 does not install GCC, and its SQUID does not contain the NCSA file, fixed the re-installation of GCC and SQUID,Tar zxvf
Preface:
This document describes how to use squid and squidGuard to configure proxy servers in linux. The www Proxy service is used as an example to describe how to filter harmful sites and restrict users' access to the internet.
I. IntroductionSquid is the most popular agent server software in
1. If the system has not been installed squid, in the following order to enter the command to complete the installation
# wget http://www.squid-cache.org/Versions/v3/3.0/squid-3.0.STABLE18.tar.gz//Download Squid agent installation package
# TAR-ZXVF squid-3.0.stable18.tar.gz//Extract
Article Title: proxy server settings in Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
Author: H2KILL
Preface:
This document describes how to use
Article title: complete transparent proxy solution in Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
By everywhere
Abstract: This article discusses how to implement trans
then click Configure.
Step 2: select the NIC connected to the external ADSL Network, and then click "edit ..
Step 3: Select "Activate device when the computer starts" in the next window, click "static IP number", and enter the nic ip Address "192.168.0.1" in the "Number" box ", the default subnet mask is 255.255.255.0, And the Default Gateway number is null. OK.
Ii. Proxy setup process
The focus of this instance is not on
Article Title: LINUX Study Notes-proxy server settings. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
1. Proxy Server Overview
The
For high-concurrency Squid servers in Linux, the number of TCPTIME_WAIT sockets often reaches two or 30 thousand, and the server is easily dragged to death. By modifying Linux kernel parameters, you can reduce the number of TIME_WAIT sockets on the Squid server. Add the following lines to vi/etc/sysctl. conf :...
For
Solve the filedescriptors problem of squid in Linux-Linux general technology-Linux programming and kernel information. The following is a detailed description. Squid log files often report errors today:
WARNING! Your cache is running out of filedescriptors
According to
First, squid server basic functions
1. Provide proxy service to HTTP and FTP protocol
2, caching agent content, improve the speed of client access to the site, save traffic
3, access control of the client address to restrict access to the Squid server client
4. Access control to the target address, restrict the network that the client allows to access
5, acc
1066 of 192.168.1.100 and port 80 of port 202.99.11.120.
These are the differences between traditional proxy servers and transparent proxy servers.
2. Comparison of various proxy servers
There are a lot of agent server software in linux. I checked it from www.freshmeat.com (a famous
Article Title: Set up a proxy server in LINUX. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
1. Selection of third-party agent server software in
1. Selection of third-party agent server software in LINUX
There are still a lot of options to choose from, such as Apache: it has powerful features, high speed and high efficiency. However, the performance advantage of acting as a proxy server in LINUX is not obvious and is not recommended; we recommend that you use Squid
For high-concurrency Squid servers in Linux, the number of TCP TIME_WAIT sockets often reaches two or 30 thousand, and the server is easily dragged to death. By modifying Linux kernel parameters, you can reduce the number of TIME_WAIT sockets on the Squid server.
Vi/etc/sysctl. conf
Add the following lines:
Referen
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