'\" t
.\"     Title: upsd.conf
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.75.2 <http://docbook.sf.net/>
.\"      Date: 05/21/2012
.\"    Manual: NUT Manual
.\"    Source: Network UPS Tools
.\"  Language: English
.\"
.TH "UPSD\&.CONF" "5" "05/21/2012" "Network UPS Tools" "NUT Manual"
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.SH "NAME"
upsd.conf \- Configuration for Network UPS Tools upsd
.SH "DESCRIPTION"
.sp
upsd uses this file to control access to the server and set some other miscellaneous configuration values\&. This file contains details on access controls, so keep it secure\&. Ideally, only the upsd process should be able to read it\&.
.SH "CONFIGURATION DIRECTIVES"
.PP
"MAXAGE \fIseconds\fR"
.RS 4
upsd usually allows a driver to stop responding for up to 15 seconds before declaring the data "stale"\&. If your driver takes a very long time to process updates but is otherwise operational, you can use MAXAGE to make upsd wait longer\&.
.sp
Most users should leave this at the default value\&.
.RE
.PP
"STATEPATH \fIpath\fR"
.RS 4
Tell upsd to look for the driver state sockets in
\fIpath\fR
rather than the default that was compiled into the program\&.
.RE
.PP
"LISTEN \fIinterface\fR \fIport\fR"
.RS 4
Bind a listening port to the interface specified by its Internet address\&. This may be useful on hosts with multiple interfaces\&. You should not rely exclusively on this for security, as it can be subverted on many systems\&.
.sp
Listen on TCP port
\fIport\fR
instead of the default value which was compiled into the code\&. This overrides any value you may have set with
\fIconfigure \-\-with\-port\fR\&. If you don\(cqt change it with configure or this value, upsd will listen on port 3493 for this interface\&.
.sp
Multiple LISTEN addresses may be specified\&. The default is to bind to 127\&.0\&.0\&.1 if no LISTEN addresses are specified (and ::1 if IPv6 support is compiled in)\&.
.sp
.if n \{\
.RS 4
.\}
.nf
LISTEN 127\&.0\&.0\&.1
LISTEN 192\&.168\&.50\&.1
LISTEN ::1
LISTEN 2001:0db8:1234:08d3:1319:8a2e:0370:7344
.fi
.if n \{\
.RE
.\}
.sp
This parameter will only be read at startup\&. You\(cqll need to restart (rather than reload) upsd to apply any changes made here\&.
.RE
.PP
"MAXCONN \fIconnections\fR"
.RS 4
This defaults to maximum number allowed on your system\&. Each UPS, each LISTEN address and each client count as one connection\&. If the server runs out of connections, it will no longer accept new incoming client connections\&. Only set this if you know exactly what you\(cqre doing\&.
.RE
.PP
"CERTFILE \fIcertificate file\fR"
.RS 4
When compiled with SSL support, you can enter the certificate file here\&. The certificates must be in PEM format and must be sorted starting with the subject\(cqs certificate (server certificate), followed by intermediate CA certificates (if applicable_ and the highest level (root) CA\&. It should end with the server key\&. See
\fIdocs/security\&.txt\fR
or the Security chapter of NUT user manual for more information on the SSL support in NUT\&.
.RE
.SH "SEE ALSO"
.sp
\fBupsd\fR(8), \fBnutupsdrv\fR(8), \fBupsd.users\fR(5)
.SH "INTERNET RESOURCES"
.sp
The NUT (Network UPS Tools) home page: http://www\&.networkupstools\&.org/