nptd and firewall
dedourek at unb.ca
Fri Jan 28 13:35:51 UTC 2005
Gain Paolo Mureddu wrote:
> Joel Stookey wrote:
>> I am running a workstation FC1 installation on a dial-up connection
>> and want to connect ntpd to a server for a time correction. I think I
>> have it worked out except for how to assure that UDP port 123 will
>> open for it and it appears I have to tinker with ipchains or iptables,
>> something I've never had to do. Nmap reveals that the port is not
>> presently open. If the procedure isn't fairly simple, can someone
>> point me in the right direction?
>> I appreciate any suggestions you can make.
>> Thank you.
> Just open up Applications->System Configuration->Security Level and add
> the following in the space where you can write:
> That will open the ports 123 in TCP and UDP mode... Apply, restart the
> iptables service (system-config-services or Applications->System
> Configuration->Servers->Services) look for the iptables service and
> restart it or issue (as root) /sbin/service iptables restart.
Note that ntp uses ONLY udp; therefore I would change this to
WARNING: I don't actually use that firewall configuration tool,
so I haven't tried this.
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