Redhat NTPD Clock

[Bob McClure Jr]

On Fri, May 26, 2006 at 10:30:50PM -0400, John Wirt wrote:
> 
> Bob McClure Jr wrote:
> 
> >On Fri, May 26, 2006 at 08:27:16AM -0400, John Wirt wrote:
> >
> >>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
> >>>     
> >>>
> >>PS, also I have no Internet access the desktop.
> >>   
> >>
> >
> >Not sure what you mean by that.  Post the results of "netstat -rn".
> >You can do that as your mere mortal self.
> >
> > 
> >
> Here are the results of netstat -rn:
> 
> Destination   Gateway        Genmask          Flags   MSS  WIndow irtt  iface
> 192.168.10.0  0.0.0.0        255.255.255.0    U         0  0         0  eth0
> 169.254.0.0   0.0.0.0        255.255.0.0      U         0  0         0  eth0
> 0.0.0.0       192.168.10.100 0.0.0.0          UG        0  0         0  eth0
> 
> I tried sending this information by email to the computer that I am 
> sending this from. The email apparently left my Linux machine  but never 
> arrived at the other one. I am currently using the KDE desktop on the 
> Linux machine.  Evolution email does not work.
> 
> 192.168.10.0 is the IP address of my local LAN. I have a cable modem 
> connected to a Linksys router, which has four LAN ports.

Is its gateway address 192.168.10.100?  That seems a bit unusual.

Are all the machines on static IP addresses or on DHCP?

How does one machine find another by name, i.e. are you using a local
DNS or does the router do DNS for the internal network?

> If I ping 169..254.0.0, the reply times out.

Ignore that.

> John Wirt
> 
> 
> John Wirt
> 
> 
> >>No errors other than the 
> >>clock.redhat.com error is reported on boot up.
> >>
> >>- - - - - - - - - - - - - - - - - -
> >>
> >>>>>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 at vitalstream.com -
> >>>>>>- VitalStream, Inc.                       http://www.vitalstream.com -
> >>>>>>-                                                                    -
> >>>>>>-        Change is inevitable, except from a vending machine.        -
> >>>>>>----------------------------------------------------------------------
> >>>>>>
> >>>>Cheers,
> >>>>
> >
> >Cheers,

Cheers,
-- 
Bob McClure, Jr.             Bobcat Open Systems, Inc.
bob at bobcatos.com             http://www.bobcatos.com
Jesus wasn't (and isn't) politically correct.
Send complaints to root at universe.gov.