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authorJan Engelhardt <>2011-05-21 00:58:44 +0200
committerJan Engelhardt <>2011-05-22 18:27:41 +0200
commit10345ca36786592aa176036f11dd186b24ba1c76 (patch)
treeb7cc6fbbb520e47f6b12400e57059b99c9d1c6ab /
parent25ea60de20fb5f7981a0170eb05c0c9a61525763 (diff)
doc: clarify that -p all is a special keyword only
Signed-off-by: Jan Engelhardt <>
Diffstat (limited to '')
1 files changed, 2 insertions, 3 deletions
diff --git a/ b/
index 110c5994..d09bf7aa 100644
--- a/
+++ b/
@@ -246,12 +246,11 @@ add, delete, insert, replace and append commands).
[\fB!\fP] \fB\-p\fP, \fB\-\-protocol\fP \fIprotocol\fP
The protocol of the rule or of the packet to check.
The specified protocol can be one of \fBtcp\fP, \fBudp\fP, \fBudplite\fP,
-\fBicmp\fP, \fBesp\fP, \fBah\fP, \fBsctp\fP or \fBall\fP,
+\fBicmp\fP, \fBesp\fP, \fBah\fP, \fBsctp\fP or the special keyword "\fBall\fP",
or it can be a numeric value, representing one of these protocols or a
different one. A protocol name from /etc/protocols is also allowed.
A "!" argument before the protocol inverts the
-test. The number zero is equivalent to \fBall\fP.
-Protocol \fBall\fP
+test. The number zero is equivalent to \fBall\fP. "\fBall\fP"
will match with all protocols and is taken as default when this
option is omitted.