发布于 2016-02-10 12:55:50 | 178 次阅读 | 评论: 0 | 来源: 网友投递
Squid 代理服务器软件
Squid cache（简称为Squid）是一个流行的自由软件，它符合GNU通用公共许可证。Squid作为网页服务器的前置cache服务器，可以代理用户向web服务器请求数据并进行缓存，也可以用在局域网中，使局域网用户通过代理上网。Squid主要设计用于在Linux一类系统运行。
安装篇：
本教程应用环境为干净centos 5.5 ，预先分好并加载/data分区,并且关闭selinux及iptables
首先修改文件描述符并设定临时端口范围，这些设置重启后生效
cat >> /etc/security/limits.conf <<DDD
* soft nofile 8192
* hard nofile 20480
DDD
cat >> /etc/sysctl.conf <<DDD
#set temp port range
net.ipv4.ip_local_port_range = 32768 61000
DDD
init 6
[root@sudutest ~]# ulimit -n
8192
[root@suduotest ~]# sysctl -n net.ipv4.ip_local_port_range
net.ipv4.ip_local_port_range = 32768 61000
groupadd squid
useradd -g squid -s /bin/false -M squid
mkdir /data/squidlog/
chown -R squid.squid /data
./configure –prefix=/usr/local/squid3 –enable-async-io=100 –with-pthreads –enable-storeio="aufs,diskd,ufs" –enable-removal-policies="heap,lru" –enable-icmp –enable-delay-pools –enable-useragent-log –enable-referer-log –enable-kill-parent-hack –enable-arp-acl –enable-default-err-language=Simplify_Chinese –enable-err-languages="Simplify_Chinese English" –disable-poll –disable-wccp –disable-wccpv2 –disable-ident-lookups –disable-internal-dns –enable-basic-auth-helpers="NCSA" –enable-stacktrace –with-large-files –disable-mempools –with-filedescriptors=65535 –enable-ssl –enable-x-accelerator-var
make
make install
make install-pinger
ps -ef |awk '/^squid/'
cat /data/squidlog/cache.log
/usr/local/squid3/sbin/squid -k check ;echo $?
#basic
cache_effective_user squid
cache_effective_group squid
pid_filename /usr/local/squid3/var/logs/squid.pid
visible_hostname squid.678114.com
cache_mgr sudu@sudu.us
error_directory /usr/local/squid3/share/errors/Simplify_Chinese
icon_directory /usr/local/squid3/share/icons
mime_table /usr/local/squid3/etc/mime.conf
hosts_file /etc/hosts
acl DEIpadd dstdom_regex [0-9]$
http_access deny DEIpadd
cache_replacement_policy lru
memory_replacement_policy lru
http_port 80 vhost vport
cache_mem 4024 MB
maximum_object_size_in_memory 5120 KB
icp_port 0
#.cache_dir
cache_dir aufs /data/cache 50000 64 128
max_open_disk_fds 0
maximum_object_size 20 MB
#.cache_peer
cache_peer 125.76.225.44 parent 80 0 no-query originserver no-digest name=all
cache_peer_domain all .678114.com
#acl
acl Safe_ports port 80
acl SSL_ports port 443
acl LanSrc src 192.168.100.0/24
acl webdomain dstdomain .678114.com
acl manager proto cache_object
acl localhost src 127.0.0.1/255.255.255.255
acl CONNECT method CONNECT
http_access allow manager localhost
http_access deny manager
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow LanSrc
http_access allow webdomain
http_access deny all
#refresh_pattern
refresh_pattern -i /$ 15 90% 600 reload-into-ims
refresh_pattern -i .html$ 15 90% 600 reload-into-ims
refresh_pattern -i .htm$ 15 90% 600 reload-into-ims
refresh_pattern -i .shtml$ 15 90% 600 reload-into-ims
refresh_pattern -i .hml$ 15 90% 600 reload-into-ims
refresh_pattern -i .gif$ 1440 90% 129600 reload-into-ims
refresh_pattern -i .swf$ 1440 90% 129600 reload-into-ims
refresh_pattern -i .jpg$ 1440 90% 129600 reload-into-ims
refresh_pattern -i .png$ 1440 90% 129600 reload-into-ims
refresh_pattern -i .bmp$ 1440 90% 129600 reload-into-ims
refresh_pattern -i .js$ 120 90% 129600 reload-into-ims
refresh_pattern -i .css$ 120 90% 129600 reload-into-ims
refresh_pattern -i .wma$ 1440 90% 21600 reload-into-ims
refresh_pattern -i .zip$ 1440 90% 21600 reload-into-ims
refresh_pattern -i .mp3$ 1440 90% 21600 reload-into-ims
refresh_pattern -i .rar$ 1440 90% 21600 reload-into-ims
refresh_pattern -i .rm$ 1440 90% 21600 reload-into-ims
refresh_pattern -i .flv$ 1440 90% 21600 reload-into-ims
refresh_pattern -i .rar$ 1440 90% 21600 reload-into-ims
refresh_pattern -i .rm$ 1440 90% 21600 reload-into-ims
refresh_pattern -i .avi$ 1440 90% 21600 reload-into-ims
refresh_pattern -i .3gp$ 1440 90% 21600 reload-into-ims
refresh_pattern -i .mp4$ 1440 90% 21600 reload-into-ims
refresh_pattern -i .wmv$ 1440 90% 21600 reload-into-ims
#keepalived
client_persistent_connections off
server_persistent_connections on
#log
emulate_httpd_log on
logformat web1 %{X-Forwarded-For}>h %ui %un [%tl] "%rm %ru HTTP/%rv" %Hs %<st "%{Referer}>h" "%{User-Agent}>h" %Ss:%Sh
cache_log /data/squidlog/cache.log
cache_access_log /dev/null web1
cache_store_log /dev/null
strip_query_terms off
logfile_rotate 10
#other
forwarded_for on
log_icp_queries off
via off
httpd_suppress_version_string off
ie_refresh off
tcp_recv_bufsize 32 KB
ipcache_size 1024
ipcache_low 90
ipcache_high 95
cache_swap_low 80
cache_swap_high 90
request_header_max_size 128 KB
quick_abort_min 20 KB
quick_abort_max 20 KB
quick_abort_pct 95
connect_timeout 1 minute
negative_ttl 0 minutes
read_timeout 30 seconds
pconn_timeout 120 seconds
half_closed_clients off
client_lifetime 10 minutes
shutdown_lifetime 5 seconds
hierarchy_stoplist cgi-bin ?
access_log /dev/null squid