On 2016-02-12 14:07, Kristof Provost wrote:
On 12 Feb 2016, at 15:33, Larry Rosenman <l...@lerctr.org> wrote:
On 2016-02-12 08:31, Kristof Provost wrote:
Ok. Since I can reproduce this at will, and the 2 firewalls are
pfSense, how can I help?
Yes, but it’s possible that there’s a problem with the pf scrubbing
On 12 Feb 2016, at 15:29, Larry Rosenman <l...@lerctr.org> wrote:
On 2016-02-12 08:13, Larry Rosenman wrote:
Shouldn't the stack do the right thing here? For the record, the
makes it work
is also FreeBSD (10.2-STABLE).
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.
I’ll still need to reproduce it locally to fix it, but it might be
interesting to know if the packet is dropped by the router, or sent
out again with an incorrect checksum.
Can you take a capture on the WAN interface and see if the TCP SYN
makes it out (if it does, I’d expect the checksum to be wrong) or not?
Will do tonight.
Larry Rosenman http://www.lerctr.org/~ler
Phone: +1 214-642-9640 E-Mail: l...@lerctr.org
US Mail: 7011 W Parmer Ln, Apt 1115, Austin, TX 78729-6961
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