RHEL 6 简易搭建squid服务 RHCE
本文介绍了Squid代理服务器的简易搭建，从rhel6来看，其配置文件较rhel5要少了很多，这点应着重学习#rpm –qa | grep squid* [查看squid包是否已经安装]，下图为没有安装的情况
http://sandyice.blog.运维网.com/attachment/201106/29/2589227_130936524266CP.png
#yum install squid*//通过yum方式安装
http://sandyice.blog.运维网.com/attachment/201106/29/2589227_1309365243DWAL.png
该服务只需要安装一个包
http://sandyice.blog.运维网.com/attachment/201106/29/2589227_1309365245kKWr.png
#chkconfig squid –list [查看服务启动状态]
#chkconfig squid on[开启2、3、4、5模式下的自动启动]
#chkconfig squid –list[再次群人服务启动状态]
http://sandyice.blog.运维网.com/attachment/201106/29/2589227_1309365247tdT4.png
#vim /etc/sysctl.conf [开启IP转发]
http://sandyice.blog.运维网.com/attachment/201106/29/2589227_1309365247PiVe.png
将“0”修改成“1”，1表示开启、0表示不启用
http://sandyice.blog.运维网.com/attachment/201106/29/2589227_1309365249W6SJ.png
#sysctl –p /etc/sysctl.conf [使IP转发永久生效]
http://sandyice.blog.运维网.com/attachment/201106/29/2589227_1309365251ljsm.png
#vim /etc/squid/squid.conf [修改squid的配置文件]
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添加图中list1、list2四行内容
http://sandyice.blog.运维网.com/attachment/201106/29/2589227_1309365254K0X0.png
将3128修改成8080，代理服务器端口，习惯使用8080
http://sandyice.blog.运维网.com/attachment/201106/29/2589227_1309365257i62F.png
#service squid restart [启动squid服务]
http://sandyice.blog.运维网.com/attachment/201106/29/2589227_1309365258wRFM.png
使用另外一个主机进行测试，将浏览器调整为使用代理服务器，并且填入代理服务器地址
将ip地址设置为192.168.1.3、则无法访问baidu
http://sandyice.blog.运维网.com/attachment/201106/29/2589227_1309365261kQtX.png
若将ip地址设置为192.168.1.5 (192.168.1.0网段其他地址也可)，则可以正常访问
http://sandyice.blog.运维网.com/attachment/201106/29/2589227_1309365263Fxcb.png
后记：代理服务器是一门学问，日后大家可以慢慢研究
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