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From "David Montag" <davmo...@student.liu.se>
Subject Re: [Fwd: Host DOWN alert for vm093!]
Date Mon, 07 Apr 2008 15:03:15 GMT
IMO ICMP ping should always be permitted. It's your network though :)

/David

On Mon, Apr 7, 2008 at 9:36 AM, Alex Karasulu <akarasulu@apache.org> wrote:

> That's because you're pinging from within the subnet.  ICMP is blocked
> from the outside.  Also from the inside some machines have iptables in
> addition to the firewall for the DMZ.
>
> Alex
>
>
> On Mon, Apr 7, 2008 at 12:51 AM, Felix Knecht <felixk@apache.org> wrote:
>
> > Alex Karasulu schrieb:
> >
> > > ICMP is bocked to the entire network I think.  I think this vm is for
> > > testing out installers.  Don't remember exactly.
> > >
> >
> > Strange, it's working for all others like sc*, vm094/5/6/7, vmhost0/1,
> > ...
> >
> > Felix
> >
> >
> > > Alex
> > >
> > > On Sun, Apr 6, 2008 at 12:23 PM, Felix Knecht <felixk@apache.org<mailto:
> > > felixk@apache.org>> wrote:
> > >
> > >    David Montag schrieb:
> > >
> > >        I can't seem to ping neither vm093.oxylos.org
> > >        <http://vm093.oxylos.org> <http://vm093.oxylos.org> nor
> > >        vm094.oxylos.org <http://vm094.oxylos.org>
> > >        <http://vm094.oxylos.org>.
> > >
> > >
> > >    It's for nagios monitoring. Nagios is running on central.oxylos.org
> > >    <http://central.oxylos.org> and I try to ping from there.
> > >    vm094 (and others) are working except vm093.
> > >    As far as I can see it's only vm093 having installed 2003 (I assume
> > >    it's some kind of MS Windows?) I can't ping.
> > >
> > >    [felixk@central ~]$ ping vm094.oxylos.org <http://vm094.oxylos.org>
> > >    PING vm094.oxylos.org <http://vm094.oxylos.org> (65.90.236.94
> > >    <http://65.90.236.94>) 56(84) bytes of data.
> > >    64 bytes from 65.90.236.94 <http://65.90.236.94>: icmp_seq=1 ttl=64
> > >    time=0.235 ms
> > >
> > >    [felixk@central ~]$ ping vm093.oxylos.org <http://vm093.oxylos.org>
> > >    PING vm093.oxylos.org <http://vm093.oxylos.org> (65.90.236.93
> > >    <http://65.90.236.93>) 56(84) bytes of data.
> > >    --> no answer
> > >
> > >    Felix
> > >
> > >
> > >
> > >        /David
> > >
> > >
> > >        On Sun, Apr 6, 2008 at 5:11 PM, Felix Knecht <felixk@apache.org
> > >        <mailto:felixk@apache.org> <mailto:felixk@apache.org
> > >
> > >        <mailto:felixk@apache.org>>> wrote:
> > >
> > >           Felix Knecht schrieb:
> > >
> > >               Hi all
> > >
> > >               Is vm094 [2003] not pingable?
> > >
> > >
> > >           Sorry, I meant vm093
> > >
> > >
> > >               Thanks
> > >               Felix
> > >
> > >
> > > ------------------------------------------------------------------------
> > >
> > >               Betreff:
> > >               Host DOWN alert for vm093!
> > >               Von:
> > >               nagios <nagios@central.oxylos.org
> > >        <mailto:nagios@central.oxylos.org>
> > >               <mailto:nagios@central.oxylos.org
> > >        <mailto:nagios@central.oxylos.org>>>
> > >
> > >               Datum:
> > >               Sun, 6 Apr 2008 10:56:34 -0400
> > >               An:
> > >               notifications@directory.apache.org
> > >        <mailto:notifications@directory.apache.org>
> > >               <mailto:notifications@directory.apache.org
> > >        <mailto:notifications@directory.apache.org>>
> > >
> > >
> > >               An:
> > >               notifications@directory.apache.org
> > >        <mailto:notifications@directory.apache.org>
> > >               <mailto:notifications@directory.apache.org
> > >        <mailto:notifications@directory.apache.org>>
> > >
> > >
> > >
> > >               ***** Nagios 2.11 *****
> > >
> > >               Notification Type: PROBLEM
> > >               Host: vm093
> > >               State: DOWN
> > >               Address: 65.90.236.93 <http://65.90.236.93>
> > >        <http://65.90.236.93>
> > >
> > >               Info: PING CRITICAL - Packet loss = 100%
> > >
> > >               Date/Time: Sun Apr 6 10:56:34 EDT 2008
> > >
> > >
> > >
> > >
> > >
> > >
> >
>

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