Winsock TCP buffering behaviour

'netsh winsock show catalog - Showing Winsock 2 LSP' tutorial was cited in a StackOverflow forum post in 2011.

The "netsh winsock show catalog" - Showing Winsock 2 LSP tutorial was cited in a StackOverflow forum post in 2011.

Subject: Winsock TCP buffering behaviour
Date: Sep 11, 2011
Author: selbie

> Firstly, the environment of this issue;
> Windows XP SP3
> Exclusive use of overlapped I/O
> Tx and Rx socket buffering disabled
> TCP transport
> Nagle disabled
> I/O completion port
> Wireshark used to analyze network traffic
> What I'm observing with my application is a discrepancy between
> network traffic reception and my application's notification of these
> events
> ...
> P.S., I've already questioned the MSDN Winsock kernel forum about
> this but to no avail.
> P.P.S., It's 3am so I hope my question made atleast some sense.

Best guess: Turn off the Windows Firewall or any other security
product you have installed (and reboot).

Also, look for any other non-Microsoft LSPs that might be installed.
I've seen some weird networking issues because someone installed some
3rd party proxy and networking utils.

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