Re: unexpected TCP resets (RST) in 12.0-RELEASE

2019-06-21 Thread Igor Grinchenko
On Fri, Jun 21, 2019 at 12:26:46PM +0200, Michael Tuexen wrote: > > On 21. Jun 2019, at 10:19, Igor Grinchenko > > wrote: <..> > > > > It doesn't seem to matter what app that is, doesn't matter what event > > mechanism is used (kqueue or select). TCP stack just refuses to handshake > > from

Re: unexpected TCP resets (RST) in 12.0-RELEASE

2019-06-21 Thread Michael Tuexen
> On 21. Jun 2019, at 10:19, Igor Grinchenko > wrote: > > Hello, > > I have been trying to debug several issues where a 12.0-RELEASE (all the way > from p0 to p6) server would unexpectedly send RST packets to clients either > some time after the initial 3-way handshake is completed or right a

unexpected TCP resets (RST) in 12.0-RELEASE

2019-06-21 Thread Igor Grinchenko
Hello, I have been trying to debug several issues where a 12.0-RELEASE (all the way from p0 to p6) server would unexpectedly send RST packets to clients either some time after the initial 3-way handshake is completed or right after it gets the first SYN on an open port. I ran several tests and