More Information About Spoof Detection in TMG

“This post describes a scenario where the external user was trying to access OWA published through TMG 2010 and the request was timing out. From the TMG side, it was possible to see that the traffic was getting denied as spoofed, as shown in the log below:

image

Check out the details at:

http://blogs.technet.com/b/isablog/archive/2010/08/18/understanding-a-scenario-where-tmg-drops-the-packet-as-spoofed-even-when-the-source-ip-doesn-t-belong-to-the-internal-network.aspx

HTH,

Deb

DEBRA LITTLEJOHN SHINDER
MVP (Enterprise Security)
“MS SECURITY”
[email protected]

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