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19 lines
627 B
Groff
19 lines
627 B
Groff
.TH pknlusr 8 "2020-10-22" "xtables-addons" "xtables-addons"
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.SH NAME
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.PP
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pknlusr \(em userspace monitor for successful xt_pknock matches
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.SH Synopsis
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.PP
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\fBpknlusr\fP [\fIgroup-id\fP]
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.SH Description
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\fIxt_pknock\fP is an xtables match extension that implements so-called \fIport
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knocking\fP. It can be configured to send information about each successful
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match via a netlink socket to userspace. \fBpknluser\fP listens for these
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notifications.
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.PP
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By default, \fBpknlusr\fP listens for messages sent to netlink multicast group
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1. Another group ID may be passed as a command-line argument.
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.SH See also
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.PP
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xtables-addons(8)
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