squid 2.5 stable快速安装指南
阿土/Aborigen Yin
http://www.bsdbase.com
目标：在网关上为内网提供普通代理以及透明代理服务，以ip地址为访问控制条件，不需要其他访问控制。
#安装
#如果是FreeBSD，建议安装如下ports：
cd /usr/ports/devel/autoconf
make clean
make install clean
cd /usr/ports/devel/automake
make clean
make install clean
#首先，配置好你的网络，保证安装squid的主机能正常上网；
ping www.163.com
#用域名是为了测试DNS解析；
#以下以root身份执行。
#获得最新stable源码
http://www.squid-cache.org
mkdir -p /usr/local/src/distfiles
cd /usr/local/src/distfiles
#FreeBSD
fetch
http://www.squid-cache.org/Versi ... -2.5.STABLE1.tar.gz
#Linux
wget
http://www.squid-cache.org/Versi ... -2.5.STABLE1.tar.gz
tar xfz squid-2.5.STABLE1.tar.gz -C ..
cd ../squid-2.5.STABLE1
./configure --prefix=/usr/local/squid
make
make install
#权限改变是必要的；参考squid.conf
#cache_effective_user nobody
#cache_effective_group nobody
#默认使用
chown -R nobody:nobody /usr/local/squid/var
#按照你的需要配置；
#vi /usr/local/squid/etc/squid.conf
# TAG: http_port
# Usage: port
# hostname:port
# 1.2.3.4:port
#Default:
# http_port 3128
http_port 60080
#逃避讨厌的代理扫描，使用一个自定义的端口；
#设置不代理的url，一些动态网页，比如江湖、聊天室。
# TAG: no_cache
# A list of ACL elements which, if matched, cause the request to
# not be satisfied from the cache and the reply to not be cached.
# In other words, use this to force certain objects to never be cached.
#
# You must use the word 'DENY' to indicate the ACL names which should
# NOT be cached.
#
#We recommend you to use the following two lines.
acl QUERY urlpath_regex cgi-bin \? asp php shtml php3 cgi
no_cache deny QUERY
# ACCESS CONTROLS
# -----------------------------------------------------------------------------
# TAG: acl
# Defining an Access List
#
# acl aclname acltype string1 ...
# acl aclname acltype "file" ...
#
# when using "file", the file should contain one item per line
#定义内网（假设有172.16.0.0/16;192.168.0.0/16;10.0.0.0/8）;
acl lan-a src 172.16.0.0/16
acl lan-b src 192.168.0.0/16
acl lan-c src 10.0.0.0/8
#squid的默认配置是拒绝所有连接；
#Default:
# http_access deny all
#
#对上述内网地址开放
http_access allow lan-a
http_access allow lan-b
http_access allow lan-c
#Recommended minimum configuration:
#
#以下设置透明代理，如果你不用透明代理，可以跳过。
#在网关的防火墙上设置重定向，把内网对80的访问请求重定向到squid：
#Ipfilter rules
#rdr $LAN_NIC 0/0 port 80 ->; $SQUID_HOST_ADDR port $SQUID_PROXY_PORT tcp
#Iptables rules
#iptables -t nat -A PREROUTING -i $LAN_NIC -p tcp -m tcp --dport 80 -j DNAT --to $SQUID_HOST_ADDR:$SQUID_PROXY_PORT
#限定对指定来源的请求做重定向；
#iptables -t nat -A PREROUTING -i $LAN_NIC -p tcp -m tcp -s $INTERNAL_NETWORK/$INTERNAL_MASK --dport 80 -j DNAT --to $SQUID_HOST_ADDR:$SQUID_PROXY_PORT
#启用透明代理
httpd_accel_host virtual
httpd_accel_port 80
httpd_accel_with_proxy on
#作透明代理的同时缓存
#注意下面一行，默认是off的.
httpd_accel_uses_host_header on
#初始化缓冲目录
/usr/local/squid/sbin/squid -z
#开机关机管理脚本
#vi /usr/local/sbin/squid.sh
#!/bin/sh
case "$1" in
start)
if [ -x /usr/local/squid/sbin/squid ]; then
/usr/local/squid/sbin/squid && echo . && echo 'Squid proxy server started.'
fi
;;
stop)
killall squid && echo . && echo 'Squid proxy server stopped.'
;;
restart)
echo .
echo "Restart Squid proxy server ......"
$0 stop
sleep 30
$0 start
;;
*)
echo "$0 start | stop | restart"
;;
esac
#end of /usr/local/sbin/squid.sh
chmod 700 /usr/local/sbin/squid.sh
#开机自动执行
#FreeBSD
ln -s /usr/local/sbin/squid.sh /usr/local/etc/rc.d
#Linux
ln -s /usr/local/sbin/squid.sh /etc/rc.d/rc3.d/S99Squid-prxoy
