In our Apache logs, we sometimes see a second POST happening on the end 
of an e-commerce transaction. It is as if the user hit the submit button 
twice. The second extraneous post always has a byte size of 0.

In the logs you see two POSTs to the same page, with the same IP, time. 
One has the correct bytes returned, the next line has 0 bytes returned.

2 questions. Has anyone seen this before? Could the user's PC be 
infected with a virus?
And in your web application, how can you detect this?

Thanks

Ed

-- 
Ed Howland
WDT Solutions, LLC.
[EMAIL PROTECTED]
(314) 962-0766

 
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