net.ipv4.tcp_ecn=0 net.ipv4.route.flush = 1 net.ipv4.tcp_rfc1337 = 1 net.ipv4.ip_no_pmtu_disc = 0 net.ipv4.tcp_sack = 1 net.ipv4.tcp_fack = 1 net.ipv4.tcp_window_scaling = 1 net.ipv4.tcp_timestamps = 1 net.ipv4.tcp_rmem = 4096 39000 187000 net.ipv4.tcp_wmem = 4096 39000 187000 net.ipv4.tcp_mem = 187000 187000 187000 net.ipv4.tcp_no_metrics_save = 1 net.ipv4.tcp_moderate_rcvbuf = 1