pknlusr: mention the group ID command-line paramater in the man page

Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
This commit is contained in:
Jeremy Sowden
2020-10-25 19:15:51 +01:00
committed by Jan Engelhardt
parent 87d3aab175
commit d3f7dc1f55

View File

@@ -4,12 +4,15 @@
pknlusr \(em userspace monitor for successful xt_pknock matches
.SH Synopsis
.PP
\fBpknlusr\fP
\fBpknlusr\fP [\fIgroup-id\fP]
.SH Description
\fIxt_pknock\fP is an xtables match extension that implements so-called \fIport
knocking\fP. It can be configured to send information about each successful
match via a netlink socket to userspace. \fBpknluser\fP listens for these
notifications.
.PP
By default, \fBpknlusr\fP listens for messages sent to netlink multicast group
1. Another group ID may be passed as a command-line argument.
.SH See also
.PP
xtables-addons(8)