SCCS-vsn: libexec/rlogind/rlogind.8 6.8
.\" IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
.\" WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
.\"
.\" IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
.\" WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
.\"
-.\" @(#)rlogind.8 6.7 (Berkeley) %G%
+.\" @(#)rlogind.8 6.8 (Berkeley) %G%
.\"
.TH RLOGIND 8 ""
.UC 5
.\"
.TH RLOGIND 8 ""
.UC 5
.SH SYNOPSIS
.B /etc/rlogind
[
.SH SYNOPSIS
.B /etc/rlogind
[
]
.SH DESCRIPTION
.I Rlogind
]
.SH DESCRIPTION
.I Rlogind
is initiated:
.IP 1)
The server checks the client's source port.
is initiated:
.IP 1)
The server checks the client's source port.
-If the port is not in the range 0-1023, the server
+If the port is not in the range 512-1023, the server
aborts the connection.
.IP 2)
The server checks the client's source address
aborts the connection.
.IP 2)
The server checks the client's source address
prompted to log in as if on a standard terminal line. The
.I -l
option prevents any authentication based on the user's
prompted to log in as if on a standard terminal line. The
.I -l
option prevents any authentication based on the user's
-``.rhosts'' file, unless the user is the superuser.
+``.rhosts'' file, unless the user is logging in as the superuser.
.PP
The parent of the login process manipulates the master side of
the pseudo terminal, operating as an intermediary
.PP
The parent of the login process manipulates the master side of
the pseudo terminal, operating as an intermediary
.IR environ (7).
The screen or window size of the terminal is requested from the client,
and window size changes from the client are propagated to the pseudo terminal.
.IR environ (7).
The screen or window size of the terminal is requested from the client,
and window size changes from the client are propagated to the pseudo terminal.
+.PP
+Transport-level keepalive messages are enabled unless the
+.B \-n
+option is present.
+The use of keepalive messages allows sessions to be timed out
+if the client crashes or becomes unreachable.
.SH DIAGNOSTICS
All diagnostic messages are returned on the connection
associated with the
.SH DIAGNOSTICS
All diagnostic messages are returned on the connection
associated with the