Blame extensions/libxt_multiport.man
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This module matches a set of source or destination ports. Up to 15
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ports can be specified. A port range (port:port) counts as two
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ports. It can only be used in conjunction with one of the
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following protocols:
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\fBtcp\fP, \fBudp\fP, \fBudplite\fP, \fBdccp\fP and \fBsctp\fP.
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.TP
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[\fB!\fP] \fB\-\-source\-ports\fP,\fB\-\-sports\fP \fIport\fP[\fB,\fP\fIport\fP|\fB,\fP\fIport\fP\fB:\fP\fIport\fP]...
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Match if the source port is one of the given ports. The flag
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\fB\-\-sports\fP
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is a convenient alias for this option. Multiple ports or port ranges are
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separated using a comma, and a port range is specified using a colon.
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\fB53,1024:65535\fP would therefore match ports 53 and all from 1024 through
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65535.
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.TP
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[\fB!\fP] \fB\-\-destination\-ports\fP,\fB\-\-dports\fP \fIport\fP[\fB,\fP\fIport\fP|\fB,\fP\fIport\fP\fB:\fP\fIport\fP]...
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Match if the destination port is one of the given ports. The flag
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\fB\-\-dports\fP
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is a convenient alias for this option.
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.TP
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[\fB!\fP] \fB\-\-ports\fP \fIport\fP[\fB,\fP\fIport\fP|\fB,\fP\fIport\fP\fB:\fP\fIport\fP]...
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Match if either the source or destination ports are equal to one of
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the given ports.
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