authentication.
The default is
.Dq yes .
-Note that this option applies to protocol version 2 only.
.It Cm GssapiKeyExchange
Specifies whether key exchange based on GSSAPI may be used. When using
GSSAPI key exchange the server need not have a host key.
The default is
.Dq yes .
-Note that this option applies to protocol version 2 only.
.It Cm GssapiUseSessionCredCache
Specifies whether a unique credentials cache name should be generated per
session for storing delegated credentials.
The default is
.Dq yes .
-Note that this option applies to protocol version 2 only.
.It Cm HostKey
Specifies a file containing a private host key
used by SSH.