Linux Open ports

The process of configuring the database found a problem with Windows connecting to the Linux database server, checking to see that Linux is not yet open 1521 port

Configuration, very easy

Referenced by: http://www.cnblogs.com/kerrycode/archive/2012/12/14/2818421.html

1. Someone directly service iptables stop, that is, shutting down the firewall, this is basically not feasible, because it is too insecure

2. Release the 1521 port

/sbin/iptables-i input-p TCP--dport 1521-j Accpet

/etc/init.d/iptables Save

Then check:/etc/init.d/iptables status

Linux Open ports