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git://git.code.sf.net/p/xtables-addons/xtables-addons
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52 lines
1.4 KiB
Groff
52 lines
1.4 KiB
Groff
.PP
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Allows you to check interface states. First, an interface needs to be selected
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for comparison. Exactly one option of the following three must be specified:
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.TP
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\fB\-\-iface\fP \fIname\fP
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Check the states on the given interface.
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.TP
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\fB\-\-dev\-in\fP
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Check the states on the interface on which the packet came in. If the input
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device is not set, because for example you are using \-m iface in the OUTPUT
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chain, this submatch returns false.
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.TP
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\fB\-\-dev\-out\fP
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Check the states on the interface on which the packet will go out. If the
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output device is not set, because for example you are using \-m iface in the
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INPUT chain, this submatch returns false.
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.PP
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Following that, one can select the interface properties to check for:
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.TP
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[\fB!\fP] \fB\-\-up\fP, [\fB!\fP] \fB\-\-down\fP
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Check the UP flag.
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.TP
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[\fB!\fP] \fB\-\-broadcast\fP
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Check the BROADCAST flag.
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.TP
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[\fB!\fP] \fB\-\-loopback\fP
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Check the LOOPBACK flag.
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.TP
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[\fB!\fP] \fB\-\-pointtopoint\fP
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Check the POINTTOPOINT flag.
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.TP
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[\fB!\fP] \fB\-\-running\fP
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Check the RUNNING flag. Do NOT rely on it!
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.TP
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[\fB!\fP] \fB\-\-noarp\fP, [\fB!\fP] \fB\-\-arp\fP
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Check the NOARP flag.
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.TP
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[\fB!\fP] \fB\-\-promisc\fP
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Check the PROMISC flag.
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.TP
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[\fB!\fP] \fB\-\-multicast\fP
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Check the MULTICAST flag.
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.TP
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[\fB!\fP] \fB\-\-dynamic\fP
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Check the DYNAMIC flag.
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.TP
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[\fB!\fP] \fB\-\-lower\-up\fP
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Check the LOWER_UP flag.
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.TP
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[\fB!\fP] \fB\-\-dormant\fP
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Check the DORMANT flag.
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