$ wget http://www.boutell.com/rinetd/http/rinetd.tar.gz

$ tar -xvf rinetd.tar.gz

$ cd rinetd

# 修改端口范围，否则会报错

$ sed -i 's/65536/65535/g' rinetd.c

$ mkdir /usr/man&&make&&make install

$ vim /etc/rinetd.conf

# allow 192.168.2.*

# deny 192.168.1.*

# bindaddress bindport connectaddress connectport

114.215.143.167 4408 10.174.205.239 3306

logfile /var/log/rinetd.log

$ echo rinetd >> /etc/rc.local

$ cat /etc/rc.local

$ rinetd -c /etc/rinetd.conf

# 检查进程是否启动

$ ps aux | grep -I rinetd

# 检查监控的端口是否开启

$ netstat -tanop | grep 4408