SSH Protocol Codes

Numeric codes used in the SSH transport and connection protocols. Covers disconnect reason codes (RFC 4253 §11.1) sent in SSH_MSG_DISCONNECT messages, and channel open failure reason codes (RFC 4254 §5.1) sent in SSH_MSG_CHANNEL_OPEN_FAILURE messages.

20 codes

• SSH_DISCONNECT_AUTH_CANCELLED_BY_USER Auth Cancelled by User
• SSH_DISCONNECT_BY_APPLICATION Disconnected by Application
• SSH_DISCONNECT_COMPRESSION_ERROR Compression Error
• SSH_DISCONNECT_CONNECTION_LOST Connection Lost
• SSH_DISCONNECT_HOST_KEY_NOT_VERIFIABLE Host Key Not Verifiable
• SSH_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT Host Not Allowed to Connect
• SSH_DISCONNECT_ILLEGAL_USER_NAME Illegal User Name
• SSH_DISCONNECT_KEY_EXCHANGE_FAILED Key Exchange Failed
• SSH_DISCONNECT_MAC_ERROR MAC Error
• SSH_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE No More Auth Methods Available
• SSH_DISCONNECT_PROTOCOL_ERROR Protocol Error
• SSH_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED Protocol Version Not Supported
• SSH_DISCONNECT_RESERVED Reserved
• SSH_DISCONNECT_SERVICE_NOT_AVAILABLE Service Not Available
• SSH_DISCONNECT_TOO_MANY_CONNECTIONS Too Many Connections
• SSH_EXTENDED_DATA_STDERR Extended Data: Stderr
• SSH_OPEN_ADMINISTRATIVELY_PROHIBITED Administratively Prohibited
• SSH_OPEN_CONNECT_FAILED Connect Failed
• SSH_OPEN_RESOURCE_SHORTAGE Resource Shortage
• SSH_OPEN_UNKNOWN_CHANNEL_TYPE Unknown Channel Type