IPV6 TCP6 Slow Connect

[Larry Rosenman]

On 2016-02-12 08:31, Kristof Provost wrote:
>> On 12 Feb 2016, at 15:29, Larry Rosenman <ler at lerctr.org> wrote:
>> 
>> On 2016-02-12 08:13, Larry Rosenman wrote:
>>> 
>>> sysctl net.inet.tcp.rfc1323=0
>>> makes it work
>> Shouldn't the stack do the right thing here?  For the record, the 
>> other side
>> is also FreeBSD (10.2-STABLE).
>> 
> Yes, but it’s possible that there’s a problem with the pf scrubbing of
> the window scaling or timestamp options.
> 
> I have a vague recollection of having looked at that in the past.
> Bug 172648 also claims there is/was an issue with checksums in that
> case, but I’ve never been able to reproduce it.
> 
> Regards,
> Kristof
Ok.  Since I can reproduce this at will, and the 2 firewalls are 
pfSense, how can I help?


-- 
Larry Rosenman                     http://www.lerctr.org/~ler
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