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.Dd $Mdocdate: August 4 2024 $
.Dt RADIUSD_RADIUS 8
.Os
.Sh NAME
.Nm radiusd_radius
.Nd provide authentication from upstream RADIUS servers
.Sh SYNOPSIS
.Nm radiusd_radius
.Sh DESCRIPTION
The
.Nm
utility is executed by
.Xr radiusd 8
as a module to provide authentication from upstream RADIUS servers.
.Sh CONFIGURATIONS
The
.Nm
supports the following configuration key and value:
.Bl -tag -width Ds
.It Ic server Ar address Ns Op : Ns Ar port
Specify the upstream server's address and port.
If
.Ar port
is omitted, 1812 is used.
This configuration can be specified multiple times.
.It Ic secret Ar secret
Specify the shared secret with the servers.
This configuration cannot be omitted.
.It Ic max-tries Ar number
Specify the maximum number of retransmissions for a server.
.Xr radiusd 8
will retransmit 2, 6, 14, 22, and 30 seconds after the first transmission
and subsequent retransmissions will occur every 8 seconds.
If the number of retransmissions per server reaches this value,
the current server is marked as
.Dq fail ,
and the next server is used for subsequent requests.
The default value is 3.
.It Ic max-failovers Ar number
If a positive number is specified,
.Xr radiusd 8
will failover to the next server
when the current server is marked
.Dq fail .
This key and value specifies the maximum number of failovers.
The default value is 0.
.It Ic request-timeout Ar sec
Specify the request timeout in seconds.
If this value is specified,
.Ar max-tries
and
.Ar max-failover
will not be used.
.El
.Sh FILES
.Bl -tag -width "/usr/libexec/radiusd/radiusd_radius" -compact
.It Pa /usr/libexec/radiusd/radiusd_radius
.Dq radius
module executable.
.El
.Sh HISTORY
The
.Nm
module first appeared in
.Ox 5.8 .