log, and does not put itself in the background.
The server also will not fork and will only process one connection.
This option is only intended for debugging for the server.
-Multiple -d options increases the debugging level. Maximum is 3.
+Multiple -d options increases the debugging level.
+Maximum is 3.
.It Fl f Ar configuration_file
Specifies the name of the configuration file.
The default is
.It Fl Q
Do not print an error message if RSA support is missing.
.It Fl V Ar client_protocol_id
-SSH2 compatibility mode.
+SSH-2 compatibility mode.
When this option is specified
.Nm
assumes the client has sent the supplied version string
and skips the
Protocol Version Identification Exchange.
+This option is not intended to be called directly.
.It Fl 4
Forces
.Nm
This can be in the form of a Kerberos ticket, or if
.Cm PasswordAuthentication
is yes, the password provided by the user will be validated through
-the Kerberos KDC. To use this option, the server needs a
+the Kerberos KDC.
+To use this option, the server needs a
Kerberos servtab which allows the verification of the KDC's identity.
Default is
.Dq yes .
Alternatively, random early drop can be enabled by specifying
the three colon separated values
.Dq start:rate:full
-(e.g. "10:30:60").
+(e.g., "10:30:60").
.Nm
will refuse connection attempts with a probabillity of
.Dq rate/100
The default is
.Dq yes .
.It Cm Subsystem
-Configures an external subsystem (e.g. file transfer daemon).
-Arguments should be a subsystem name and a command to execute upon subsystem request.
+Configures an external subsystem (e.g., file transfer daemon).
+Arguments should be a subsystem name and a command to execute upon subsystem
+request.
The command
.Xr sftp-server 8
implements the