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rscheff
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@rscheff rscheff commented Feb 17, 2021

The main trick is to do a listen(..., 4) as only half the queue may respond to TFO.
The other one to provide a small script, setting the current key so that the cookie always has the same value. This can not be done using sysctl(8) since CTLTYPE_OPAQUE can not be set with that utility.

@tuexen
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tuexen commented Feb 17, 2021

I would prefer to wait for these kind of tests before we ha e proper TFO support in packetdrill... Then no hacks are needed.

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