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42 lines
2.0 KiB
42 lines
2.0 KiB
The CT target allows to set parameters for a packet or its associated |
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connection. The target attaches a "template" connection tracking entry to |
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the packet, which is then used by the conntrack core when initializing |
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a new ct entry. This target is thus only valid in the "raw" table. |
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.TP |
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\fB\-\-notrack\fP |
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Disables connection tracking for this packet. |
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.TP |
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\fB\-\-helper\fP \fIname\fP |
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Use the helper identified by \fIname\fP for the connection. This is more |
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flexible than loading the conntrack helper modules with preset ports. |
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.TP |
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\fB\-\-ctevents\fP \fIevent\fP[\fB,\fP...] |
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Only generate the specified conntrack events for this connection. Possible |
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event types are: \fBnew\fP, \fBrelated\fP, \fBdestroy\fP, \fBreply\fP, |
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\fBassured\fP, \fBprotoinfo\fP, \fBhelper\fP, \fBmark\fP (this refers to |
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the ctmark, not nfmark), \fBnatseqinfo\fP, \fBsecmark\fP (ctsecmark). |
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.TP |
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\fB\-\-expevents\fP \fIevent\fP[\fB,\fP...] |
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Only generate the specified expectation events for this connection. |
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Possible event types are: \fBnew\fP. |
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.TP |
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\fB\-\-zone-orig\fP {\fIid\fP|\fBmark\fP} |
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For traffic coming from ORIGINAL direction, assign this packet to zone |
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\fIid\fP and only have lookups done in that zone. If \fBmark\fP is used |
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instead of \fIid\fP, the zone is derived from the packet nfmark. |
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.TP |
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\fB\-\-zone-reply\fP {\fIid\fP|\fBmark\fP} |
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For traffic coming from REPLY direction, assign this packet to zone |
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\fIid\fP and only have lookups done in that zone. If \fBmark\fP is used |
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instead of \fIid\fP, the zone is derived from the packet nfmark. |
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.TP |
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\fB\-\-zone\fP {\fIid\fP|\fBmark\fP} |
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Assign this packet to zone \fIid\fP and only have lookups done in that zone. |
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If \fBmark\fP is used instead of \fIid\fP, the zone is derived from the |
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packet nfmark. By default, packets have zone 0. This option applies to both |
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directions. |
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.TP |
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\fB\-\-timeout\fP \fIname\fP |
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Use the timeout policy identified by \fIname\fP for the connection. This is |
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provides more flexible timeout policy definition than global timeout values |
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available at /proc/sys/net/netfilter/nf_conntrack_*_timeout_*.
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