--enable-storeio=ufs,null //使用的文件系統(tǒng)通常是默認(rèn)的ufs，不過如果想要做一個(gè)不緩存任何文件的代理服務(wù)器，就需要加上null文件系統(tǒng)。

--enable-underscore //允許解析的URL中出現(xiàn)下劃先，因?yàn)槟�認(rèn)squid會(huì)認(rèn)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(yùn)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(shè)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(dāng) squid1 在其緩存中沒有找到請(qǐng)求的資源時(shí)，通過 ICP 查詢?nèi)テ溧従又腥〉镁彺?###########

cache_peer s2.test.com sibling 80 3130

cache_peer s3.test.com sibling 80 3130

#### 將pic.test.com 域的請(qǐng)求通過 RR 輪詢方式轉(zhuǎn)發(fā)到apache節(jié)點(diǎn)############

squid1 的父節(jié)點(diǎn)，originserver 參數(shù)指明是源服務(wù)器， round-robin 參數(shù)指明 squid 通過輪詢方式將請(qǐng)求分發(fā)到其中一臺(tái)父節(jié)點(diǎn)； squid 同時(shí)會(huì)對(duì)這些父節(jié)點(diǎn)的健康狀態(tài)進(jìn)行檢查，如果父節(jié)點(diǎn) down 了，那么 squid 會(huì)從剩余的 origin 服務(wù)器中抓取數(shù)據(jù).我們這里只有一個(gè)節(jié)點(diǎn).

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(duì) squid 的一些優(yōu)化 ###############

maximum_object_size_in_memory 1024 KB //內(nèi)存中緩存的最大對(duì)象 1024KB

maximum_object_size 10240 KB // 能緩存的最大對(duì)象為 10M

cache_mem 64 MB //squid 用于緩存的內(nèi)存量

#####日志和緩存目錄的設(shè)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(shè)定 squid 的主機(jī)名 , 如無此項(xiàng) squid 將無法啟動(dòng)

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(tái)squid配置跟其一致.只要修改上面標(biāo)明顏色的地方和/etc/hosts文件即可.

Squid開機(jī)自動(dòng)啟動(dòng)的實(shí)現(xiàn)：

# 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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