 | | | Redhat NTPD Clock | Redhat NTPD Clock 2006-05-26 - By Bob McClure Jr
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On Fri, May 26, 2006 at 08:10:35AM -0400, John Wirt wrote:
> Bob McClure Jr wrote:
>
> >On Thu, May 25, 2006 at 09:26:57PM -0400, John Wirt wrote:
> >
> >
> >>Hmm..can you tell me how to set the security level?
> >>
> >>Thank you, Rick.
> >>
> >>John Wirt
> >>
> >>
> >
> >We prefer bottom posting here. See
> >
> >http://en.wikipedia.org/wiki/Top-posting
> >
> >Try "firewall-config".
> >
> >
> >
> When I enter "firewall-config" as a command, the response is "command
> not found"
>
> When I enter "iptables -h" as a command. the response is "command not found"
>
> What should I do?
>
> John Wirt
You need to su to root. Use "su -" not just "su".
> >>Rick Stevens wrote:
> >>
> >>
> >>
> >>>On Thu, 2006-05-25 at 00:58 -0400, John Wirt wrote:
> >>>
> >>>
> >>>
> >>>
> >>>>Thanks you several of you, I have RedHat booting to completion just
> >>>>fine except for one problem.
> >>>>
> >>>>Near the end of the boot sequence, RedHat apparently tries to connect
> >>>>to some time standard at 66.187.224.4. The sequence is:
> >>>>
> >>>>
> >>>>ntpd: Opening firewall for input from 66.187.224.4 port 123
> >>>>ntpd: Opening firewall for input from clock.redhat.com port 123
> >>>>iptables v 1.2.8: host/network clock.redhat.com not found [FAILED]
> >>>>
> >>>> use iptables -h for assistance.
> >>>>
> >>>>However, iptables -h doesn't provide any help.
> >>>>
> >>>>What is the problem? How can I fix it?
> >>>>
> >>>>
> >>>>
> >>>>
> >>>You must have the firewall open ports for TCP and UDP port 53 (DNS).
> >>>What's probably happening is that the system is trying to resolve
> >>>clock.redhat.com (66.187.224.4 and 66.187.233.4) and can't because the
> >>>firewall is blocking DNS issues. This happens if you used the "maximum"
> >>>setting on system-config-securitylevel as that blocks EVERYTHING
> >>>(including DNS). Use the "medium" security setting.
> >>>
> >>>-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --
> >>>- Rick Stevens, Senior Systems Engineer rstevens@(protected) -
> >>>- VitalStream, Inc. http://www.vitalstream.com -
> >>>- -
> >>>- Change is inevitable, except from a vending machine. -
> >>>-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --
> >>>
> >>>
> >
> >Cheers,
> >
> >
>
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--
Bob McClure, Jr. Bobcat Open Systems, Inc.
bob@(protected) http://www.bobcatos.com
Jesus wasn't (and isn't) politically correct.
Send complaints to root@(protected)
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