[torqueusers] Status Check request from unknown hosts

Miles O'Neal meo at intrinsity.com
Tue Feb 17 17:25:19 MST 2009


Beob Kyun Kim said...

|I open them only to my worker nodes.
|Of course, 32.247.167.0 is not included in my worker nodes.
|
|I tried to block those ip addresses (32.247.167....) with hosts.deny &
|iptables.

Are you blocking them at a firewall with iptables,
on on the torque server?

|When we check traffic related to 32.247.167.., the only related things are
|DNS lookup to DNS service.
|
|Thanks.
|
|kyun
|
|
|On Tue, Feb 17, 2009 at 7:57 PM, Arnau Bria <arnaubria at pic.es> wrote:
|
|> On Mon, 16 Feb 2009 21:17:17 -0600 (CST)
|> Miles O'Neal wrote:
|>
|> > Beob Kyun Kim said...
|> >
|> > |Hi Miles,
|> > |In addition,
|> > |While checking traffic from my cluster, there's no traffic from/to
|> > |32.247.167.0~255.
|> Do you have your pbs port open to world? I don't think so...
|>
|> I had a similar problem and someone told me that it was a pbs known
|> issue. Something where pbs puts a random number and then has some kind
|> of DNS sense.
|>
|> *Anyway, do your security checks!
|>
|> I'll look for that post.
|>
|> Cheers,
|> Arnau
|> _______________________________________________
|> torqueusers mailing list
|> torqueusers at supercluster.org
|> http://www.supercluster.org/mailman/listinfo/torqueusers
|>
|
|
|
|-- 
|-- 
|Beob Kyun Kim, Ph. D.
|NSDC Team/ Supercomputing Center/ KISTI
|335 Kwahangno, Yuseong-gu, Daejeon, 305-806, South Korea
|trugens at gmail.com, kyun at kisti.re.kr
|MSN : trugens at hotmail.com/  GTalk : trugens at gmail.com/  NateOn :
|numdle at nate.com
|Phone : +82-42-869-0782/  Mobile : +82-10-4422-1584/  Fax : +82-42-869-0789
|
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|<div>Hi,</div><div><br></div><div>I open them only to my worker nodes.</div=
|><div>Of course, 32.247.167.0 is not included in my worker nodes.</div><div=
|><br></div><div>I tried to block those ip addresses (32.247.167....) with h=
|osts.deny &amp; iptables.</div>
|<div><br></div><div>When we check traffic related to 32.247.167.., the only=
| related things are DNS lookup to DNS service.</div><div><br></div><div>Tha=
|nks.</div><div><br></div><div>kyun</div><br><br><div class=3D"gmail_quote">
|On Tue, Feb 17, 2009 at 7:57 PM, Arnau Bria <span dir=3D"ltr">&lt;<a href=
|=3D"mailto:arnaubria at pic.es">arnaubria at pic.es</a>&gt;</span> wrote:<br><blo=
|ckquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #c=
|cc solid;padding-left:1ex;">
|<div class=3D"Ih2E3d">On Mon, 16 Feb 2009 21:17:17 -0600 (CST)<br>
|Miles O&#39;Neal wrote:<br>
|<br>
|&gt; Beob Kyun Kim said...<br>
|&gt;<br>
|</div><div class=3D"Ih2E3d">&gt; |Hi Miles,<br>
|&gt; |In addition,<br>
|&gt; |While checking traffic from my cluster, there&#39;s no traffic from/t=
|o<br>
|&gt; |32.247.167.0~255.<br>
|</div>Do you have your pbs port open to world? I don&#39;t think so...<br>
|<br>
|I had a similar problem and someone told me that it was a pbs known<br>
|issue. Something where pbs puts a random number and then has some kind<br>
|of DNS sense.<br>
|<br>
|*Anyway, do your security checks!<br>
|<br>
|I&#39;ll look for that post.<br>
|<br>
|Cheers,<br>
|Arnau<br>
|_______________________________________________<br>
|torqueusers mailing list<br>
|<a href=3D"mailto:torqueusers at supercluster.org">torqueusers at supercluster.or=
|g</a><br>
|<a href=3D"http://www.supercluster.org/mailman/listinfo/torqueusers" target=
|=3D"_blank">http://www.supercluster.org/mailman/listinfo/torqueusers</a><br=
|>
|</blockquote></div><br><br clear=3D"all"><br>-- <br>-- <br>Beob Kyun Kim, P=
|h. D.<br>NSDC Team/ Supercomputing Center/ KISTI<br>335 Kwahangno, Yuseong-=
|gu, Daejeon, 305-806, South Korea<br><a href=3D"mailto:trugens at gmail.com">t=
|rugens at gmail.com</a>, <a href=3D"mailto:kyun at kisti.re.kr">kyun at kisti.re.kr<=
|/a><br>
|MSN : <a href=3D"http://trugens@hotmail.com/">trugens at hotmail.com/</a> &nbs=
|p;GTalk : <a href=3D"http://trugens@gmail.com/">trugens at gmail.com/</a> &nbs=
|p;NateOn : <a href=3D"mailto:numdle at nate.com">numdle at nate.com</a><br>Phone =
|: +82-42-869-0782/ &nbsp;Mobile : +82-10-4422-1584/ &nbsp;Fax : +82-42-869-=
|0789<br>
|
|
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|_______________________________________________
|torqueusers mailing list
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|http://www.supercluster.org/mailman/listinfo/torqueusers
|
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-- 
Miles O'Neal

Intrinsity, Inc.       |    meo at intrinsity.com
11612 Bee Caves Rd.    |    512-421-2242 (v)
Bldg II / Suite 200    |    512-577-3133 (c) <- best bet
Austin, Texas 78738    |    512-263-0795 (f)


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