Squid reverse proxy CDN build configuration

Squid reverse proxy CDN build configuration

Because of the company's business needs, you need to build a cdn node somewhere by yourself. You can build a node by using DNSpod smart resolution and squid.

Installation path:/usr/local/squid

1. Install squid

Download http://www.squid-cache.org/Versions/v3/3.4/squid-3.4.8.tar.gz

# Yum-y install gcc-c ++ # install the compilation plug-in

# Tar xvf squid-3.4.8.tar.gz

# Cd squid-3.4.8

# Cd/usr/local

# Mkdir squid # create a directory named squid

# Cd squid-3.4.8

#./Configure -- prefix =/usr/local/squid # compile

# Make & make install # install

 

Configuration 1

Create user squid and user group squid

# Groupadd squid

# Useradd-g squid-s/sbin // nologin squid

Configure the squid File

# Vi/usr/local/squid/etc/squid. conf # view the content at the bottom

 

Visible_hostname chengdu.sz1card1.com

Cache_inclutive_user squid

Cache_paitive_group squid

 

Http_port 80 accel vhost vport

 

Cache_peer 192.168.1.11 parent 80 0 no-query originserver round-robin name = proxy1

Cache_peer 192.168.1.12 parent 80 0 no-query originserver round-robin name = proxy2

Cache_peer 192.168.1.13 parent 80 0 no-query originserver round-robin name = proxy3

Cache_peer_domain proxy1 server.1card1.cn

Cache_peer_domain proxy2 www.abc.cn

Cache_peer_domain proxy2 www.xxxx.cn

Cache_peer_domain proxy3 www.bkjia.com

 

Http_access allow all

 

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

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

Cache_dir ufs/usr/local/squid/var/cache 1000 16 256

 

Maximum_object_size 10240 KB

Maximum_object_size_in_memory 1024 KB

Cache_mem 1024 MB

 

 

Configuration 2

# Chown-Rf squid: nobody/usr/local/squid

Initialize the cache directory configured in squid. conf to create a bunch of directories:

# Sudo/usr/local/squid/sbin/squid-z

Start squid background running

Sudo/usr/local/squid/sbin/squid-s

Check whether the process exists: ps-ef | grep squid

 

 

 

 

 

Common commands for routine maintenance of Squid:

1. initialize the cache directory you configured in squid. conf.

Squid-z

If an error message is displayed, check the permission of your cache directory.

You can use the following command to change the directory permissions:

Chown-R squid: squid/cache directory

2. Check the syntax and configuration of squid. conf.

Squid-k parse

If squid. conf has syntax or configuration errors, a prompt is returned. If no result is returned, start squid.

3. Start squid on the frontend and output the startup process.

/Usr/local/squid/sbin/squid-N-d1

If you have ready to server reques information, it indicates that Squid is successfully started.

 

 

Squid as the system service restart script

 

 

#! /Bin/bash #

Chkconfig: 345 61 61

# Description: squid is a web cache server

# Processname: squid

./Etc/rc. d/init. d/functions

Case $1 in

"Start")/usr/local/squid/sbin/squid-s

If [$? = "0"]; then

Echo "squid start OK"

Else

Echo "please check the log"

Fi

;;

"Stop")/usr/local/squid/sbin/squid-k shutdown

If [$? = "0"]; then

Echo "squid stop OK"

Else

Echo "please check the log"

Fi

;;

"Restart ")

/Usr/local/squid/sbin/squid-k shutdown

If [$? = "0"]; then

/Usr/local/squid/sbin/squid-s

If [$? = "0"]; then

Echo "squid restart OK"

Else

/Usr/local/squid/sbin/squid-s

If [$? = "0"]; then

Echo "squid restart OK"

Else

Echo "please check the log"

Fi

Fi

Fi

;;

*)

Echo "Usage only start | stop | restart"

;;

Esac

Put this file in the/etc/init. d/directory and name it squid.

Chmod + x/etc/init. d/squid

Chkconfig -- add squid

If the squid service does not support chkconfig

Then modify the preceding chkconfig: 345 61 61 numbers.

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