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 <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
diff --git a/extensions/libxt_multiport.man b/extensions/libxt_multiport.man
index cbd87e7..b8e5e49 100644
--- a/extensions/libxt_multiport.man
+++ b/extensions/libxt_multiport.man
@@ -5,16 +5,19 @@
or
.BR "-p udp" .
.TP
-[\fB!\fP] \fB--source-ports\fP,\fB--sport\fP \fIport\fP[\fB,\fP\fIport\fP[\fB,\fP\fIport\fP\fB:\fP\fIport\fP...]]
+[\fB!\fP] \fB--source-ports\fP,\fB--sport\fP \fIport\fP[\fB,\fP\fIport\fP|\fB,\fP\fIport\fP\fB:\fP\fIport\fP]...
Match if the source port is one of the given ports. The flag
.B --sports
-is a convenient alias for this option.
+is a convenient alias for this option. Multiple ports or port ranges are
+separated using a comma, and a port range is specified using a colon.
+\fB53,1024:65535\fP would therefore match ports 53 and all from 1024 through
+65535.
.TP
-[\fB!\fP] \fB--destination-ports\fP,\fB--dport\fP \fIport\fP[\fB,\fP\fIport\fP[\fB,\fP\fIport\fP\fB:\fP\fIport\fP...]]
+[\fB!\fP] \fB--destination-ports\fP,\fB--dport\fP \fIport\fP[\fB,\fP\fIport\fP|\fB,\fP\fIport\fP\fB:\fP\fIport\fP]...
Match if the destination port is one of the given ports. The flag
.B --dports
is a convenient alias for this option.
.TP
-[\fB!\fP] \fB--ports\fP \fIport\fP[\fB,\fP\fIport\fP[\fB,\fP\fIport\fP\fB:\fP\fIport\fP...]]
+[\fB!\fP] \fB--ports\fP \fIport\fP[\fB,\fP\fIport\fP|\fB,\fP\fIport\fP\fB:\fP\fIport\fP]...
Match if either the source or destination ports are equal to one of
the given ports.