* randy at psg.com (Randy Bush) [Wed 15 Aug 2018, 04:27 CEST]: >my memory is that seq num guessing and sending rst was the core >problem motivating tcp/md5 for bgp, and btsh came some years later. >but no big deal. And a few looking glasses exposed detailed TCP window information when run against certain hardware vendors' routers, making that very easy. -- Niels.