Will Warren

The blog of an engineer from Canada who specializes in SaaS, HA, Cloud and Product Development. I work in the Internet.

Adding firewall rules for Oracle Database using iptables

To connect to a box on your network that is running Oracle Database, you will first need to allow connections to Oracle through your firewall.

If you’re running CentOS, RHEL, Fedora or any other Linux variant that uses iptables, use the following commands to create a firewall exception (Assuming you’re running your listener on port 1521 - check with sudo lsnrctl status):

sudo iptables -I INPUT -p tcp --dport 1521 -j ACCEPT

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Tags: sysadmin database oracle

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