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authorJeremy Harris <jgh146exb@wizmail.org>2017-10-01 18:11:36 +0100
committerJeremy Harris <jgh146exb@wizmail.org>2017-10-01 18:11:36 +0100
commit1ccd5f670a432f98e94b384dd169a1a760dced9a (patch)
tree3fa341950c38d903920124677b4688a284a445db /test/scripts/1990-TCP-Fast-Open
parente924c08b7d031b712013a7a897e2d430b302fe6c (diff)
TFO: better detection of client fast-open connections (again)
Diffstat (limited to 'test/scripts/1990-TCP-Fast-Open')
-rw-r--r--test/scripts/1990-TCP-Fast-Open/19909
1 files changed, 9 insertions, 0 deletions
diff --git a/test/scripts/1990-TCP-Fast-Open/1990 b/test/scripts/1990-TCP-Fast-Open/1990
index cbedd3622..4f5758f5a 100644
--- a/test/scripts/1990-TCP-Fast-Open/1990
+++ b/test/scripts/1990-TCP-Fast-Open/1990
@@ -8,6 +8,9 @@
# option on the SYN, but the fast-output SMTP banner will not
# be seen unless you also deliberately emulate a long path:
# 'sudo tc qdisc add dev lo root netem delay 100ms'
+# You'll need kernel-modules-extra installed, or you get
+# an unhelpful error from RTNETLINK.
+# To tidy up: 'sudo tc qdisc delete dev lo root'
#
# First time runs will see a TFO request option only; subsequent
# ones should see the TFO cookie and fast-output SMTP banner
@@ -21,6 +24,12 @@
# this will only be obtained when the above delay is inserted into the
# loopback net path.
#
+# this attempt to tidy up does not work
+#sudo perl
+#open (my $fh, "/proc/sys/net/ipv4/tcp_fastopen_key");
+#print $fh "00000000-00000000-00000000-00000000";
+#close $fh;
+#****
#
#
# FreeBSD: it looks like you have to compile a custom kernel, with