Am 26.03.19 um 07:58 schrieb Ulrich Windl:
I don't understand that: Keepalive (as I know it) has nothing to do with idle connections, but only with dead connections.
Any statefull firewall will reset/drop/delete/discard a connections state information from it's internal connection table after some time if no traffic was seen (for example for 5 minutes)
Andreas