Identity and Authorization Files (SSH, The Secure Shell: The Definitive Guide)

Book Home

Previous

Next

B.10. Identity and Authorization Files

~/.ssh/authorized_keys (SSH1, OpenSSH/1) and ~/.ssh/authorized_keys2 (OpenSSH/2): use one public key per line, preceded by options.

Option	Meaning
`command`="Unix shell command "	Specify a forced command
`environment`="variable=value "	Set environment variable
`from`=host_or_ip_address_specification	Limit incoming hosts
`idle-timeout`=time	Set idle timeout
`no-agent-forwarding`	Disable agent forwarding
`no-port-forwarding`	Disable port forwarding
`no-pty`	Don't allocate TTY

~/.ssh2/authorization (SSH2): use one keyword/value pair per line.

Keyword	Meaning
`Command` Unix_command	Specify a forced command
`Key` filename.pub	Location of public key file
`PgpPublicKeyFile` filename	Location of PGP public key file
`PgpKeyFingerprint` fingerprint	Select PGP key by fingerprint
`PgpKeyId` id	Select PGP key by ID
`PgpKeyName` name	Select PGP key by name

~/.ssh2/identification (SSH2): one keyword/value pair per line.

Keyword	Meaning
`IdKey` filename	Location of private key file
`IdPgpKeyFingerprint` fingerprint	Select PGP key by fingerprint
`IdPgpKeyId` id	Select PGP key by ID
`IdPgpKeyName` name	Select PGP key by name
`PgpSecretKeyFile` filename	Location of PGP private key file