Centos6 安装 stun/turn服务

1，关于stun和turn

STUN（Simple Traversal of UDP over NATs，NAT 的UDP简单穿越）是一种网络协议，它允许位于NAT（或多重NAT）后的客户端找出自己的公网地址，查出自己位于哪种类型的NAT之后以及NAT为某一 个本地端口所绑定的Internet端端口。这些信息被用来在两个同时处于NAT 路由器之后的主机之间建立UDP通信。该协议由RFC 3489定义。目前RFC 3489协议已被RFC 5389协议所取代，新的协议中，将STUN定义为一个协助穿越NAT的工具，并不独立提供穿越的解决方案。它还有升级版本RFC 7350，目前正在完善中。 

http://baike.baidu.com/view/884586.htm

TURN的全称为Traversal Using Relay NAT，即通过Relay方式穿越NAT，TURN应用模型通过分配TURNServer的地址和端口作为客户端对外的接受地址和端口，即私网用户发出的报文都要经过TURNServer进行Relay转发。 

http://baike.baidu.com/subview/351571/10359693.htm

2，安装

参考： 

http://www.hankcs.com/program/network/compile-rfc5766-turn-server-to-build-turn-server.html

代码下载： 

https://github.com/coturn/rfc5766-turn-server/releases 

下载最新的tar.gz包。rfc5766-turn-server-3.2.5.9.tar.gz

安装依赖环境 

##ssl 需要yum安装 yum install openssl openssl-libs libevent libevent-devel

    
	
	
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如果还是报错，就手动安装libevent。 

centos Libevent2 development libraries are not installed properly in required location

    
	
	
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下载：http://libevent.org/ 官网，下载 

https://sourceforge.net/projects/levent/files/libevent/libevent-2.0/libevent-2.0.22-stable.tar.gz 

然后解压缩编译安装即可

编译turn-server 

tar -zxvf rfc5766-turn-server-3.2.5.9.tar.gz
cd rfc5766-turn-server-3.2.5.9 ./configure 
make
make install

    
	
	
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configure成功： 

more is /usr/bin/more
install is /usr/bin/install
pkill is /usr/bin/pkill
Use TMP dir /var/tmp
Compiler: cc Do not use -lsocket Do not use -lwldap32 Do not use -lwldap64 Do not use -lintl
Sockets code is fine: no sin_len field present
Ignore IP_RECVERR
Crypto SSL lib found.
SSL lib found.
Libevent2 development found.
Libevent2 runtime found.
Libevent2 openssl found.
Libevent2 pthreads found.

POSTGRESQL DEVELOPMENT LIBRARY (libpq.a) AND/OR HEADER (libpq-fe.h)
        ARE NOT INSTALLED PROPERLY ON THIS SYSTEM.
        THAT'S OK BUT THE TURN SERVER IS BUILDING WITHOUT POSTGRESQL DATABASE SUPPORT. MYSQL DEVELOPMENT LIBRARY (libmysqlclient) AND/OR HEADER (mysql.h)
        ARE NOT INSTALLED PROPERLY ON THIS SYSTEM.
        THAT'S OK BUT THE TURN SERVER IS BUILDING WITHOUT MYSQL DATABASE SUPPORT. HIREDIS DEVELOPMENT LIBRARY (libhiredis.*) AND/OR HEADERS (hiredis/*.h)
        ARE NOT INSTALLED PROPERLY ON THIS SYSTEM.
        THAT'S OK BUT THE TURN SERVER IS BUILDING WITHOUT REDIS SUPPORT. PREFIX=/usr/local OSLIBS= -L/usr/local/lib/ -L/usr/local/lib/ -L/usr/local/lib64/ -L/usr/local/lib64/ -lrt -pthread -lcrypto -lssl -levent_core -levent_openssl -levent_pthreads  -Wl,-rpath,/usr/local/lib/ -Wl,-rpath,/usr/local/lib/ -Wl,-rpath,/usr/local/lib64/ -Wl,-rpath,/usr/local/lib64/ -Wl,-rpath,/usr/lib64/mysql -Wl,-rpath,/usr/local/lib DBLIBS= OSCFLAGS=-g  -Wall -Wno-deprecated-declarations -Wextra -Wformat-security -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Wcast-qual -I/usr/local/include -I/usr/local/include/ -I/usr/local/include  -DTURN_HAS_DAEMON    -DINSTALL_PREFIX=/usr/local DBCFLAGS=

    
	
	
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只是说没有数据库支持的库，暂时不需要。

安装之后说明： 

1) If you system supports automatic start-up system daemon services, 
the, to enable the turnserver as an automatically started system 
service, you have to:

        a) Create and edit /etc/turnserver.conf or /usr/local/etc/turnserver.conf . 
        Use /usr/local/etc/turnserver.conf.default as an example.

        b) For user accounts settings, if using the turnserver with authentication: create and edit /etc/turnuserdb.conf 
        file, or set up PostgreSQL or MySQL or Redis database for user accounts.
        Use /usr/local/etc/turnuserdb.conf.default as example for flat file DB, or use /usr/local/share/turnserver/schema.sql as SQL database schema, or use /usr/local/share/turnserver/schema.userdb.redis as Redis database schema description and/or /usr/local/share/turnserver/schema.stats.redis as Redis status & statistics database schema description.

        c) add whatever is necessary to enable start-up daemon for the /usr/local/bin/turnserver. 2) If you do not want the turnserver to be a system service, then you can start/stop it "manually", using the "turnserver" executable with appropriate options (see the documentation). 3) To create database schema, use schema in file /usr/local/share/turnserver/schema.sql. 4) For additional information, run:

   $ man turnserver
   $ man turnadmin
   $ man turnutils

    
	
	
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在根目录创建一个user.db文件 

使用turnserver启动： 

turnserver --userdb /root/turnuser.db 里面是webrtc用户名密码： webrtc:secret

    
	
	
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3，页面调用

https://github.com/EricssonResearch/openwebrtc-examples/tree/master/web 

安装node参考之前文章： 

http://blog.csdn.net/freewebsys/article/details/46649667#t1

修改main.js 

// must use 'url' here since Firefox doesn't understand 'urls' var configuration = { "iceServers": [
  { "url": "stun:mmt-stun.verkstad.net" },
  { "url": "turn:mmt-turn.verkstad.net", "username": "webrtc", "credential": "secret" }
  ]
};

    
	
	
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将stun服务器和turn服务器替换。

4，总结

stun和trun是webrtc打通的关键服务器，但是资源有限没有在公网测试。

《Centos6 安装 stun/turn服务》有1个想法

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