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-rw-r--r--extensions/libxt_multiport.man11
1 files changed, 7 insertions, 4 deletions
diff --git a/extensions/libxt_multiport.man b/extensions/libxt_multiport.man
index cbd87e7f..b8e5e49b 100644
--- a/extensions/libxt_multiport.man
+++ b/extensions/libxt_multiport.man
@@ -5,16 +5,19 @@ ports. It can only be used in conjunction with
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.