Merge commit 'origin/trunk@12184' into fedora

[iptables.git] / trunk / extensions / libipt_ecn.man

diff --git a/trunk/extensions/libipt_ecn.man b/trunk/extensions/libipt_ecn.man
new file mode 100644 (file)
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--- /dev/null
+++ b/trunk/extensions/libipt_ecn.man
@@ -0,0 +1,11 @@
+This allows you to match the ECN bits of the IPv4 and TCP header.  ECN is the Explicit Congestion Notification mechanism as specified in RFC3168
+.TP
+[\fB!\fP] \fB--ecn-tcp-cwr\fP
+This matches if the TCP ECN CWR (Congestion Window Received) bit is set.
+.TP
+[\fB!\fP] \fB--ecn-tcp-ece\fP
+This matches if the TCP ECN ECE (ECN Echo) bit is set.
+.TP
+[\fB!\fP] \fB--ecn-ip-ect\fP \fInum\fP
+This matches a particular IPv4 ECT (ECN-Capable Transport). You have to specify
+a number between `0' and `3'.