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September 11, 2006, 6:08 pm
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My name is Lory and I am responding to your issue regarding the
Security Vulnerability Report you sent on May 29, 2006.
I understand the importance of this matter to you and I apologize for
the inconvenience this may have caused you.
I appreciate your taking the time to send us this valuable information.
I have forwarded your feedback to our product development team for
further investigation about your report. I suggest that you wait for
the response from the Microsoft Security Research Centre as they are
the team that can best handle your report.
You are a valuable customer to MSN and we are glad to give you
consistent and effective service.
Thank you for using MSN Hotmail.
MSN Hotmail Technical Support
Be specific when describing your problem. The details that you include
enable us to promptly send you the most likely solution to your issue.
This is a follow up to the Security Vulnerability Report I sent on May
29/06 regarding the brand of load balancer that Microsoft uses on MSN
services. The Netcraft "Whats that site running?" feature has
identified F5 Big-IP as being the operating system for Hotmail. As I
indicated in the vulnerability report, it is actually a load balancer.
On large web pages, load balancers don't usually show up.
Following, is a list of MSN websites that ID themselves to Netcraft
as having the F5 Big-IP operating:
15 by104fd.bay104.hotmail.msn.com 168 216 216 F5 Big-IP
17 by106fd.bay106.hotmail.msn.com 151 195 195 F5 Big-IP
Also, here is the direct link to the Netcraft site listing servers and
operating systems corresponding to MSN, including configuration data:
According to the reply I received from Microsoft Security Research
Centre, they said they would forward the information I sent to the MSN
Group, however, I noticed that F5 Big-IP was showing up on the Netcraft
list as being attached to Hotmail servers such as I mentioned above.
If you require
If this is supposed to be a correct configuration for your network, my
apologies. If not, I am just letting you know.
Frequency of the issue:
How do you access your Hotmail account?
Web Interface *www.hotmail.com*
Who is your ISP?
Type of Internet connection:
Have you recently installed any new software (if you enter yes please
add more comments in the text box above)?
Which operating system are you using?Windows XP: Mozilla/4.0
(compatible; MSIE 6.0; Windows NT 5.1; SV1)
Which browser are you using: IE6
Location: en-us - English (United States)
Type of Support: E-mail Support
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