--enable-storeio=ufs,null //使用的文件系統通常是默認的ufs，不過如果想要做一個不緩存任何文件的代理服務器，就需要加上null文件系統。

--enable-underscore //允許解析的URL中出現下劃先，因為默認squid會認為帶下劃線的URL地址是非法的，并拒絕訪問該地址。

#make && make install

# /usr/local/squid/sbin/squid -z //測試Squid運行狀況

# chown -R squid.squid /usr/local/squid/var/

修改squid配置文件

#vim /usr/local/squid/etc/squid.conf

#########一些訪問控制的設置##############

acl manager proto cache_object

acl localhost src 127.0.0.1/32

acl to_localhost dst 127.0.0.0/8

acl localnet src 10.0.0.0/8 # RFC1918 possible internal network

acl localnet src 172.16.0.0/12 # RFC1918 possible internal network

acl localnet src 192.168.0.0/16 # RFC1918 possible internal network

acl SSL_ports port 443

acl Safe_ports port 80 # http

acl Safe_ports port 21 # ftp

acl Safe_ports port 443 # https

acl Safe_ports port 70 # gopher

acl Safe_ports port 210 # wais

acl Safe_ports port 1025-65535 # unregistered ports

acl Safe_ports port 280 # http-mgmt

acl Safe_ports port 488 # gss-http

acl Safe_ports port 591 # filemaker

acl Safe_ports port 777 # multiling http

acl CONNECT method CONNECT

http_access allow all

http_access allow localnet

http_access allow manager localhost

http_access deny manager

http_access deny !Safe_ports

http_access deny CONNECT !SSL_ports

icp_access allow localnet

icp_access deny all

htcp_access allow localnet

htcp_access deny all

##### 配置 squid2、squid3 為其鄰居，當 squid1 在其緩存中沒有找到請求的資源時，通過 ICP 查詢去其鄰居中取得緩存############

cache_peer s2.test.com sibling 80 3130

cache_peer s3.test.com sibling 80 3130

#### 將pic.test.com 域的請求通過 RR 輪詢方式轉發到apache節點############

squid1 的父節點，originserver 參數指明是源服務器， round-robin 參數指明 squid 通過輪詢方式將請求分發到其中一臺父節點； squid 同時會對這些父節點的健康狀態進行檢查，如果父節點 down 了，那么 squid 會從剩余的 origin 服務器中抓取數據.我們這里只有一個節點.

cache_peer 192.168.128.136 parent 80 0 no-query originserver round-robin name=web1

cache_peer_domain web1 pic.test.com

hierarchy_stoplist cgi-bin

####### 對 squid 的一些優化 ###############

maximum_object_size_in_memory 1024 KB //內存中緩存的最大對象 1024KB

maximum_object_size 10240 KB // 能緩存的最大對象為 10M

cache_mem 64 MB //squid 用于緩存的內存量

#####日志和緩存目錄的設置###########

access_log /usr/local/squid/var/logs/access.log squid

cache_log /usr/local/squid/var/logs/cache.log

refresh_pattern ^ftp: 1440 20% 10080

refresh_pattern ^gopher: 1440 0% 1440

refresh_pattern (cgi-bin|\?) 0 0% 0

refresh_pattern . 0 20% 4320

cache_effective_user squid

cache_effective_group squid

######### 設定 squid 的主機名 , 如無此項 squid 將無法啟動

visible_hostname s1.test.com

############# 配置 squid 為加速模式 #################

http_port 80 accel vhost vport

icp_port 3130

coredump_dir /usr/local/squid/var/cache

在hosts添加如下行.讓squid能找到其鄰居.

#cat /etc/hosts

# Do not remove the following line, or various programs

# that require network functionality will fail.

127.0.0.1 localhost.localdomain localhost

::1 localhost6.localdomain6 localhost6

192.168.128.137 s2.test.com

192.168.128.139 s3.test.com

其他兩臺squid配置跟其一致.只要修改上面標明顏色的地方和/etc/hosts文件即可.

Squid開機自動啟動的實現：

# vim /etc/init.d/squid

#!/bin/sh

#chkconfig: 35 85 15

#description: squid

#function: use this script to stop,start,restart squid....

#author:hsf

squid_BIN=/usr/local/squid/sbin/squid

squid_CONF=/usr/local/squid/etc/squid.conf

squid_PID=/usr/local/squid/var/logs/squid.pid

squid_PORT=`/bin/netstat -ntpl |grep squid |grep 80 |wc -l`

case $1 in

start)

if [ $squid_PORT = 0 ];then

echo "staring squid..."

$squid_BIN

else echo "starting squid failed,Address already in use..."

exit 2

fi

;;

stop)

echo "stoping squid..."

if [ -f $squid_PID ];then

kill -QUIT `cat $squid_PID`

else echo "squid is no running...."

fi

;;

status)

if [ -f $squid_PID ];then

echo "squid is running..."

else echo "squid is stop..."

fi

;;

restart)

if [ -f $squid_PID ];then

kill -HUP `cat $squid_PID`

else echo "squid is no running...."

fi

;;

*)

echo "Usage: $0 {start|stop|status|restart}"

exit 1

;;

esac

Apache安裝(192.168.128.136)

見apache安裝配置文檔.
 

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