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MPLS & Leased Line

Arifnor
Arifnor asked
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Last Modified: 2012-05-07
1. I have a private WAN that are (not connected to Internet) using MPLS to connect a few separate geographical location LAN. HQ LAN communicate with all sisters company LAN, but other LAN has its own autonomy and separately controls.
What are the risks and threats that this network face? Can external intruder connect to MPLS network via the MPLS service provider network?
2. Same as above, but now the private WAN is using point to point leased line (E1 & E3) network to connect these LAN.
What are the risks and threats that this leased line network face? Can external intruder connect to this leased line network via the leased line service provider network?
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Commented:
Willbaclimon,

Great stuff on MPLS. It seems it's quite impossible to penetrate the MPLS network. But the IT guys here in my organization is saying it is possible, thus they implement Firewall for each LAN (but, I think it is not cost effective). (Note that this network does not connect to external network i.e. Internet)

How do someone want to penetrate MPLS and leased Line? Any other threat and risks to MPLS and leased line?

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Commented:
Thanks to all of you. I have review all the answers and confirm this with the IT guys. I will close the question
Just tried to follow the link listed in the solution http://www.fleetllc.com/portal/showthread.php?p=44

My sophos antivirus reported the following, so you might want to remove the link to the fleetlic site
Threat: Mal/ObfJS-F

Threat source : http://www.fleetllc.com/portal/showthread.php?p=44
The requested location contained malicious content and was blocked from downloading.
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