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#264257 03/04/09 02:45 AM
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Dane Offline OP
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I'm a phone guy but I think this is a circuit problem. I am posting both on circuit and network because I think both may have run into it.

I have IP access to quite a few of Mitel SX200 ICP's and do backups by ftp. In the normal course of things I enter in a file name for the backup and the systems archives and compresses the file and uploads it to my server where it shows up as a .gz file (I do not have to put the file extension on when naming). Recently when trying to do a routine backup on a couple of the PBXs everything looked to be going perfectly in the switch but when the file shows up on my server it has no file extension on it and is not compressed.

These were working okay before and the only thing I can find in common is that both have changed ISP (therefore circuits) since I last tried to back up. Anything on the new circuit that could be causing "noise" or causing this kind of file to show up?

Just a little more info - I have not changed any parameters in the PBX and there is no place to change anything regarding back ups. Also other PBXs I work with are working exactly the way they are supposed to (I backed up a couple after I noticed the problem with the two I am referring to)

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#264258 03/04/09 03:50 AM
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sounds like a port forwarding issue in the router or the firewall.

#264259 03/04/09 03:56 AM
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Dane Offline OP
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No that is not a problem - I can get to the switch fine and at the beginning of the back up it goes out and tests the ftp connection the server set up on my computer. It goes through the whole back up procedure fine but when the files shows up on my machine it is way too big and not in the correct format. As I said it is weird. These are the only two properties that I have experienced problems with and they have had circuit changes since the last time I ran a back up

#264260 03/04/09 08:17 AM
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For a start, it would be helpful if you let us know:

1. OS & version of server and your computer
2. Name & version of FTP server and client software

Also, how do you know that the files are not compressed? The absense of an extension does not necessarily mean anything.

#264261 03/04/09 08:35 AM
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Quote
Originally posted by Dane:
...Just a little more info - I have not changed any parameters in the PBX and there is no place to change anything regarding back ups. Also other PBXs I work with are working exactly the way they are supposed to (I backed up a couple after I noticed the problem with the two I am referring to)
Interesting. Anything else apart from the circuit change with the 2 that don't work? Was the hardware or software upgraded? Is there a firewall at the customer's site and if so, did their firewall config change?

#264262 03/04/09 08:40 AM
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Dane Offline OP
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I am using Pure Admin on Linux. I know the file is not compressed due to the size. These are the only two properties that are not working correctly. All the other backups I do work just fine. I usually dial in and program the routers that connect to the telephone system. I do not know if there is any firewall between my router and the internet. These two properties are owned by two different entities and one of them has another property that works fine.

#264263 03/04/09 08:58 AM
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I would go down this list:

1. Do the new ISPs restrict certain ports/services/ip addresses? (not likely for business access but you never know)

2. Is there a managed/regularly updated firewall on the customer's side? Managed firewalls get regular updates which may change their configurations. This usually happens automatically.

3. Did the hardware or software change in the phone system?

4. Is the customers' own access working OK otherwise? There could be some crapware/attack by a hacker?

#264264 03/05/09 03:12 AM
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Dane Offline OP
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Access is working fine for customer. No change in the software on the PBX (in fact found another system with exactly the same software level and it backed up fine).

#264265 03/06/09 07:54 AM
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Dane Offline OP
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I also did a SW upgrade on the PBX yesterday and I am still getting the wrong kind of file back. I sincerely do not believe this is related to the PBX or my server (as other sites work fine)

#264266 03/08/09 03:05 AM
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Dane Offline OP
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The only thing I can find (and don't know if it is pertinent or not) is that in the routers I am using at the two sites I am having problems with is that I am getting the following messages in the logs. I do not see them on other sites.

[INFO] Fri Nov 28 03:45:00 2008 Blocked packet from 192.168.0.1 to 239.255.255.100 that was received from the wrong network interface (IP address spoofing)
[INFO] Fri Nov 28 03:31:00 2008 Previous message repeated 14 times

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