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Author Topic: Strange IMB fault
James Crowley
Film Handler

Posts: 29
From: Bury St Edmunds, Suffolk, UK
Registered: Nov 2012


 - posted 10-27-2014 05:11 AM      Profile for James Crowley         Edit/Delete Post 
Got an odd fault at a multiplex using a range of S2 NEC machines. They had the site network firewall updated to allow for quicker transactions on the tills. The TMS network is connected to the outside via the site firewall. Anyway as soon as the update went on, transport error 745 connection on the 2 3240 machines, take them off the network and they work fine. 2 weeks later, 2 2000C with IMB stop sending cues to the projectors. Off the network they are fine.
IT engineers, NEC, dolby, site engineers can't find what's wrong.
Anybody had something similar?

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Marcel Birgelen
Film God

Posts: 3357
From: Maastricht, Limburg, Netherlands
Registered: Feb 2012


 - posted 10-27-2014 08:18 AM      Profile for Marcel Birgelen   Email Marcel Birgelen   Send New Private Message       Edit/Delete Post 
I'm just wildly guessing here. But this firewall update, did it maybe, open up directly exposed ports on those IMBs to the outside? Maybe some scriptkiddie probing traffic from the outside is causing havoc on those machines/cards.

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Danial Simmonds
Expert Film Handler

Posts: 107
From: Kota Damansara, Selangor, Malaysia
Registered: Jan 2008


 - posted 10-27-2014 03:20 PM      Profile for Danial Simmonds   Author's Homepage   Email Danial Simmonds   Send New Private Message       Edit/Delete Post 
i Agree with Marcell
Firewall should only be open on certain ports for TMS/NOC Services if required by customer, not every port.
1. Try recheck the firewall configuration with customer to ensure that they open port only for the required communication they need.

2. Check the local LAN network in the cinema to ensure the server can communicate with automation or the devices required

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Francois Bouzigues
Film Handler

Posts: 19
From: Barcelona / Spain
Registered: Dec 2013


 - posted 10-28-2014 11:05 AM      Profile for Francois Bouzigues   Email Francois Bouzigues   Send New Private Message       Edit/Delete Post 
I have seen this kind of issues. The tms was making too many requests to the servers.

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