Yes however you can open the port from the GUI under
system-> administration -> security level and firewall
if you don't want to poke around on the command line.
Likely the reason you don't have to open the special service for ssh is that
sshd is a trusted service.
JD
On Tue, Jan 4, 2011 at 12:52, keith smith <
klsmith2020@yahoo.com> wrote:
>
>
> 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
>
> ---------------------------------------------------
> PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us
> To subscribe, unsubscribe, or to change your mail settings:
> http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss
>
---------------------------------------------------
PLUG-discuss mailing list -
PLUG-discuss@lists.plug.phoenix.az.us
To subscribe, unsubscribe, or to change your mail settings:
http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss
(text/plain)