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Bug: TCP stream data in bad order comes into application filter
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Peter
Mar 3, 2010, 9:52:02 AM3/3/10
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Hi,
I am developing application filter for ISA2006/TMG.
problem:
Sometimes data incoming into CompleteAsyncIO()
has bad order.
In my case it happens only when TCP connection is keep-alive
and data are retrieved from server on second or more time,
on first time it is always OK.
Such data are unusable, it is like when you cut some data from the end of file
and paste them on arbitrary place into the same file.
It seems that this bug does not depend on protocol. I met it in HTTP
downloads, in receiving emails through IMAP also.
Last tiem it happens on ISA2006+SP1 5.0.5720.100, but also I met in new TMG
on W2K8R2
I am developing application filter for ISA2006/TMG.
problem:
Sometimes data incoming into CompleteAsyncIO()
has bad order.
In my case it happens only when TCP connection is keep-alive
and data are retrieved from server on second or more time,
on first time it is always OK.
Such data are unusable, it is like when you cut some data from the end of file
and paste them on arbitrary place into the same file.
It seems that this bug does not depend on protocol. I met it in HTTP
downloads, in receiving emails through IMAP also.
Last tiem it happens on ISA2006+SP1 5.0.5720.100, but also I met in new TMG
on W2K8R2
Any tips, ideas ?
Peter
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