Squid Service Setup

First, installation

Yum-y Install Squid

Main program: /usr/sbin/squid

configuration directory:

Master files:

Monitor TCP Port number: 3128

Default Access log file: /var/log/squid/access.log

Second, the configuration

1, vi/etc/squid/squid.conf

Find http_access deny all, comment it out

Added at the end:

Http_access Allow all

cache_mem mb         # cache memory size

< Span style= "padding:0px;margin:0px;" lang= "en-us" xml:lang= "en-us" > Span style= "padding:0px;margin:0px;font-size:medium;" > maximum_object_size 4096 Kb #

< Span style= "padding:0px;margin:0px;" lang= "en-us" xml:lang= "en-us" > Span style= "padding:0px;margin:0px;font-size:medium;" > Reply_body_max_size  1024000 allow All limit download file size

access_log/var/log/squid/access.log # access log stored files

visible_hostname proxy.test.xom # Your host name

Cache_dir Ufs/var/spool/squid

USF: storage format for cached data

/var/spool/squid Cache Directory

: The cache directory occupies disk space ( M )

- : Number of cache space first-level subdirectories

  : Cache space Level Two subdirectory number

2, before the first start to create a cache directory use, command
Squid-z

3. Start Squid
Service Squid restart

Chkconfig squid on

4. Add a forwarding Rule

A. Turn on route forwarding

Echo 1 >/proc/sys/net/ipv4/ip_forward
or Sysctl-w net.ipv4.ip_forward=1

B. Adding firewall rules

REDIRECT 80-port requests to 3128, that is, when connecting to a proxy server, port 80 or 3128 can be connected to the Internet

Iptables-t nat-i prerouting-p tcp--dport 80-j REDIRECT--to 3128

Specify IP to respond to customer requests

Iptables-t nat-a postrouting-j SNAT--to 154.87.60.210

Service Iptables Save

5. Testing

Open the proxy in the browser, fill in the proxy IP and port, access Google

Http://www.ziyouganjue.com

This article is from the "Feel Free" blog, be sure to keep this source http://zalinux.blog.51cto.com/7187986/1629618

Squid Service Setup