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-rw-r--r--doc/ping903.821
1 files changed, 11 insertions, 10 deletions
diff --git a/doc/ping903.8 b/doc/ping903.8
index 35cbb4a..a6ab19a 100644
--- a/doc/ping903.8
+++ b/doc/ping903.8
@@ -1,5 +1,5 @@
.\" This file is part of ping903 -*- nroff -*-
-.\" Copyright (C) 2020 Sergey Poznyakoff
+.\" Copyright (C) 2020-2023 Sergey Poznyakoff
.\"
.\" Ping903 is free software; you can redistribute it and/or modify
.\" it under the terms of the GNU General Public License as published by
@@ -13,7 +13,7 @@
.\"
.\" You should have received a copy of the GNU General Public License
.\" along with Ping903. If not, see <http://www.gnu.org/licenses/>.
-.TH PING903 8 "March 11, 2020" "PING903" "System Administration"
+.TH PING903 8 "September 19, 2020" "PING903" "System Administration"
.SH NAME
ping903 \- high-performance ICMP monitoring daemon
.SH SYNOPSIS
@@ -52,12 +52,13 @@ IP list is supplied in the configuration file and cannot be altered at
run-time. The
.I mutable
IP list, in contrast, is maintained via the REST API and thus can be
-changed while the server runs. The content of mutable IP list is
+changed when the server runs. The content of the mutable IP list is
preserved during server restarts.
.PP
-Probes for each IP from the list are initiated periodically, each
+Each
.B probe\-interval
-seconds. Each probe consists of
+seconds, the daemon wakes up and probes each IP from the list. Each
+probe consists of
.B ping\-count
ICMP ECHO requests sent with intervals of
.B ping\-interval
@@ -76,10 +77,10 @@ failure \fItolerance\fR number) are lost, the status of the IP is
changed to "inactive".
.PP
An \fBHTTP\fR listener thread is responsible for returning the collected
-statistics and serving other requests. By default the program listens
-for queries on localhost, port 8080. If compiled with the support for
-\fBlibwrap\fR, the access to the HTTP interface can be controlled
-using files
+statistics and serving other requests. By default it listens for
+queries on localhost, port 8080. If compiled with the support for
+\fBlibwrap\fR, the access to the HTTP interface is controlled using
+the files
.B /etc/hosts.allow
and
.BR /etc/hosts.deny .
@@ -146,7 +147,7 @@ requests sent and replies received. Two options (\fB\-vv\fR), enable
additional diagnostics of invalid echo replies. Three options enable
logging of each received echo reply, and four options enable verbose
logging of each echo request sent. Notice that three or more
-\fB\-v\fR options can produce huge amount of logs.
+\fB\-v\fR options can produce a huge amount of output.
.SH BUGS
Only IPv4 is currently supported.
.SH SEE ALSO

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