Since pknlusr is now being installed, let's give it a man-page.
Signed-off-by: Jeremy Sowden <jeremy@xxxxxxxxxx>
---
extensions/pknock/Makefile.am | 2 ++
extensions/pknock/pknlusr.8 | 23 +++++++++++++++++++++++
2 files changed, 25 insertions(+)
create mode 100644 extensions/pknock/pknlusr.8
diff --git a/extensions/pknock/Makefile.am b/extensions/pknock/Makefile.am
index dcb3096afd35..fb419ede0d2b 100644
--- a/extensions/pknock/Makefile.am
+++ b/extensions/pknock/Makefile.am
@@ -6,3 +6,5 @@ AM_CFLAGS = ${regular_CFLAGS} ${libxtables_CFLAGS}
include ../../Makefile.extra
sbin_PROGRAMS = pknlusr
+
+dist_man8_MANS = pknlusr.8
diff --git a/extensions/pknock/pknlusr.8 b/extensions/pknock/pknlusr.8
new file mode 100644
index 000000000000..da8798a463db
--- /dev/null
+++ b/extensions/pknock/pknlusr.8
@@ -0,0 +1,23 @@
+.TH pknlusr 8 "2020-10-22" "xtables-addons" "xtables-addons"
+.
+.SH NAME
+pknlusr \- userspace monitor for successful xt_pknock matches
+.
+.SH SYNOPSIS
+.SY pknlusr
+.RI [ group-id ]
+.YS
+.
+.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.
+.
+.SH OPTIONS
+.TP 9
+.B group-id
+The ID of the netlink multicast group used by \fIxt_pknock\fP. Defaults to \fB1\fP.
+.
+.SH SEE ALSO
+.IR xtables-addons (8)
--
2.28.0
