path: root/extensions/
diff options
authorJan Engelhardt <>2008-06-08 19:11:51 +0200
committerPatrick McHardy <>2008-06-08 19:11:51 +0200
commit9b488b992872d4d2b7ebf7897d74d52f4fb59e1c (patch)
tree53f6cbd44c025aec18b9307cd88bbae43bb921e4 /extensions/
parent0ea82bc43e9262cdbb9880ca56bb514db4c77f8e (diff)
manpage updates
A number of options support negation, but the manpage did not reflect this ("[!]" was absent). Also fix a few [] (optional arguments) to {} (required arguments) in the option-BNF. Signed-off-by: Jan Engelhardt <> Signed-off-by: Patrick McHardy <>
Diffstat (limited to 'extensions/')
1 files changed, 3 insertions, 3 deletions
diff --git a/extensions/ b/extensions/
index 8ecfef59..d289d080 100644
--- a/extensions/
+++ b/extensions/
@@ -1,11 +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
-.BI "--ecn-tcp-cwr"
+[\fB!\fP] \fB--ecn-tcp-cwr\fP
This matches if the TCP ECN CWR (Congestion Window Received) bit is set.
-.BI "--ecn-tcp-ece"
+[\fB!\fP] \fB--ecn-tcp-ece\fP
This matches if the TCP ECN ECE (ECN Echo) bit is set.
-.BI "--ecn-ip-ect " "num"
+[\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'.