pknlusr: add man page

Since pknlusr is now being installed, let's give it a man page.

diff --git a/extensions/pknock/Makefile.am b/extensions/pknock/Makefile.am
index dcb3096afd35439d4733a1fff4537e9c83b05e14..e62c10884048d07a897ad7697180ce91235e1162 100644 (file)
--- a/extensions/pknock/Makefile.am
+++ b/extensions/pknock/Makefile.am
@@ -6,3 +6,4 @@ AM_CFLAGS   = ${regular_CFLAGS} ${libxtables_CFLAGS}
 include ../../Makefile.extra
 
 sbin_PROGRAMS = pknlusr
+man_MANS = pknlusr.8

diff --git a/extensions/pknock/pknlusr.8 b/extensions/pknock/pknlusr.8
new file mode 100644 (file)
index 0000000..a34b8fe
--- /dev/null
+++ b/extensions/pknock/pknlusr.8
@@ -0,0 +1,15 @@
+.TH pknlusr 8 "2020-10-22" "xtables-addons" "xtables-addons"
+.SH NAME
+.PP
+pknlusr \(em userspace monitor for successful xt_pknock matches
+.SH Synopsis
+.PP
+\fBpknlusr\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.
+.SH See also
+.PP
+xtables-addons(8)