On Thu, 11 Aug 2016, Gene Heskett wrote: > And I just noted that the sysctl command you quoted above is incorrect, > its sysctl -p, not sysctl.p. as I indicated yesterday in my 'work-around' posts, the line I got which works is: net.ipv4.tcp_challenge_ack_limit = 99999999 haven't tried it with slashes. the re-load is sysctl -p E. Liddell says it is addressed in kernel 4.7; I'm on an old kernel and may fool around with updating it sometime when I have nothing more fun to do. f. -- Felmon Davis What is food to one, is to others bitter poison. -- Titus Lucretius Carus