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24 lines
1.0 KiB
24 lines
1.0 KiB
4 months ago
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This module attempts to match various characteristics of the packet creator,
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for locally generated packets. This match is only valid in the OUTPUT and
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POSTROUTING chains. Forwarded packets do not have any socket associated with
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them. Packets from kernel threads do have a socket, but usually no owner.
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.TP
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[\fB!\fP] \fB\-\-uid\-owner\fP \fIusername\fP
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.TP
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[\fB!\fP] \fB\-\-uid\-owner\fP \fIuserid\fP[\fB\-\fP\fIuserid\fP]
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Matches if the packet socket's file structure (if it has one) is owned by the
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given user. You may also specify a numerical UID, or an UID range.
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.TP
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[\fB!\fP] \fB\-\-gid\-owner\fP \fIgroupname\fP
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.TP
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[\fB!\fP] \fB\-\-gid\-owner\fP \fIgroupid\fP[\fB\-\fP\fIgroupid\fP]
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Matches if the packet socket's file structure is owned by the given group.
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You may also specify a numerical GID, or a GID range.
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.TP
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\fB\-\-suppl\-groups\fP
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Causes group(s) specified with \fB\-\-gid-owner\fP to be also checked in the
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supplementary groups of a process.
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.TP
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[\fB!\fP] \fB\-\-socket\-exists\fP
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Matches if the packet is associated with a socket.
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