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Diffstat (limited to 'extensions/libipt_ecn.man')
-rw-r--r-- | extensions/libipt_ecn.man | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/extensions/libipt_ecn.man b/extensions/libipt_ecn.man new file mode 100644 index 00000000..8ecfef59 --- /dev/null +++ b/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 +.BI "--ecn-tcp-cwr" +This matches if the TCP ECN CWR (Congestion Window Received) bit is set. +.TP +.BI "--ecn-tcp-ece" +This matches if the TCP ECN ECE (ECN Echo) bit is set. +.TP +.BI "--ecn-ip-ect " "num" +This matches a particular IPv4 ECT (ECN-Capable Transport). You have to specify +a number between `0' and `3'. |