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[LDM #HSY-596665]: LDM questions

This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.

  • Subject: [LDM #HSY-596665]: LDM questions
  • Date: Thu, 19 Jun 2014 16:21:30 -0600
Javier,

> Regarding the LDM, can an LDM be configured to push products to many LDMs?
> I am assuming it does that.

The LDM is designed to push data-products to multiple, downstream LDM-s.

> Also, when using LDMs, did you have any problems with customers firewalls
> when pushing files?

An upstream LDM site must allow incoming TCP connections to port 388 (similar 
to allowing incoming TCP connections to a web server listening on port 80). If 
this is not done, then the upstream LDM will not be able to distribute 
data-products to downstream sites.

Downstream LDM sites must allow outgoing TCP connections to port 388 (similar 
to allowing outgoing TCP connections to a web server). If this is not done, 
then a downstream site will not be able to receive any data-products via its 
LDM.

> Thanks,
> Javier

Regards,
Steve Emmerson

Ticket Details
===================
Ticket ID: HSY-596665
Department: Support LDM
Priority: Normal
Status: Closed