[Bug 511] Premature ip_conntrack timer expiry on 3+ window size advertisements

bugzilla-daemon at bugzilla.netfilter.org bugzilla-daemon at bugzilla.netfilter.org
Mon Sep 18 03:02:52 CEST 2006


https://bugzilla.netfilter.org/bugzilla/show_bug.cgi?id=511





------- Additional Comments From georgeh at anstat.com.au  2006-09-18 03:02 MET -------
A tcpdump is included in the original bug report.

As I understand it, the window is increased as data is moved from
kernel's TCP buffer to the application, thereby freeing up the buffer.
As more buffer-space becomes available, the window is opened further.

The example shows 3 additional window-advertisements, sent over
the space of almost 1 second.

I can generate more examples if you wish, as it happens fairly frequently
in the course of a day.


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