On Tue, 14 Nov 2017 12:09:31 +0100, Durumdara <durumdara(at)gmail(dot)com>
wrote:
>*I disabled my firewall at home - the [keepalive] problem vanished!!!*
What firewall are you using? Windows own firewall doesn't interfere
with keepalive packets. Most commercial SOHO firewalls won't either.
George