# early-pipe, starttls, tfo
#
+# NOTE: ensure that TFO is fully enabled in the kernel.
+# For linux: sysctl net.ipv4.tcp_fastopen=3
+#
# Network delay so we can see tfo efects
# Clear any previously-obtained tfo cookie:
sudo perl
system ("tc qdisc add dev lo root netem delay 50ms");
+system ("[ -e /proc/sys/net/ipv4/tcp_fastopen_blackhole_timeout_sec ] && echo 0 > /proc/sys/net/ipv4/tcp_fastopen_blackhole_timeout_sec");
system ("ip tcp_metrics delete 127.0.0.1");
****
#