H.6.4 PLUGIN_PROTOCOL

Direction: client to plugin

When: sent after PLUGIN_INIT_RESPONSE, or after a previous auth phase terminates with PLUGIN_AUTH_SUCCESS or PLUGIN_AUTH_FAILURE

What happens next: the plugin will send PLUGIN_PROTOCOL_ACCEPT or PLUGIN_PROTOCOL_REJECT

Message contents after the type code:

• string: the SSH protocol id of the auth method the client intends to attempt. Currently the only method specified for use in this protocol is ‘keyboard-interactive’.