Hi,
I'm working on several CentOS and one RHEL servers. I needed to open a port the other day so I did a search and the info I found lead me to believe the only way to open or close a port was via iptables. Is that the complete story?
For example, if I want to open port 3306 for MySql I need two things? 1) The port needs to be listed in /etc/services (RedHat) and 2) the port needs to be opened via iptables.
If I use a non-standard port (3306) I must add a line to the /etc/my.conf that defines the port such as "port=xxxx".
Here is a twist. I set my SSHD to port 2200 but did not change /etc/services, which lists ici on port 2200 for both tcp and udp. I am able to shell in using port 2200. Why no conflict?
Thank you for your insight.
------------------------
Keith Smith
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