On Tue, Dec 18, 2012 at 11:02 AM, Darren Pilgrim <nanog at bitfreak.org> wrote: > On 2012-12-18 07:52, Christopher Morrow wrote: >> >> see, now we're getting information that FDC/IRS could actually use! >> :) This looks like an MTU issue then? > > > I believe so. so, a suggestion to eftps.gov/irs/fdc is to simply clamp MSS on their servers, no?