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[LDM #ZJW-284386]: Fwd: ldm-relay1 problems

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  • Subject: [LDM #ZJW-284386]: Fwd: ldm-relay1 problems
  • Date: Thu, 10 Nov 2016 12:16:48 -0700
Donna & Chris,

The "smoking gun" is the fact that the command "telnet ldm-relay1.tamu.edu 388"
fails when executed inside the campus firewall but not outside.

> > ---------- Forwarded message ----------
> > From: "Chris Mouchyn" <address@hidden>
> > Date: Nov 10, 2016 12:14 PM
> > Subject: ldm-relay1 problems
> > To: "Donna Cote" <address@hidden>, "Arif, Taimur" <address@hidden>
> > Cc:
> >
> > So, there is a network routing issue going on.
> > >
> > > I've been using the following command for testing:
> > >
> > > notifyme -vl- -f ANY -h 165.91.55.27
> > >
> > > That command fails from ldm1,2,3. It succeeds from ldm-relay0 to
> > > ldm-relay1. That tells me that:
> > >
> > > 1. there is nothing wrong with the LDM service on ldm-relay1
> > > 2. there is nothing wrong with the iptables firewall ldm-relay1; it is
> > > properly configured and allowing connections on port 388
> > >
> > > The only thing left is some weird network-level routing issue between the
> > > ldm cluster nodes and ldm-relay1. Getting CIS to find and fix that problem
> > > won't be easy... It's my understanding that the ldm-relays are OUTSIDE of
> > > the TAMU firewall, but the ldm cluster nodes are INSIDE the firewall. That
> > > might have something to do with our problems, especially since CIS just
> > > upgraded the TAMU firewall recently.
> > >
> > > We might need to get Guy to pull some TAMU IT strings on this one.

Regards,
Steve Emmerson

Ticket Details
===================
Ticket ID: ZJW-284386
Department: Support LDM
Priority: Normal
Status: Closed
===================
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