SSH, The Secure Shell: The Definitive Guide, 2nd Edition

Identity and Authorization Files, Tectia

~/.ssh2/authorization keywords: use one keyword/value pair per line.

Keyword	Meaning
Command Unix_command	Old way to specify a forced command; now obsolete, use Options
Key filename.pub	Location of public-key file
Options comma-separated-list-of-options	Options for the key immediately preceding it; see Options table below
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/authorization key options: one or more options separated by commas.

Option	Meaning
allow-from=host_ or_ ip_address_specification	Accept connections from incoming hosts
command=”Unix shell command"	Specify a forced command
deny-from=host_ or_ ip_address_specification	Reject connections from incoming hosts
environment=”variable = value"	Set environment variable
idle-timeout=time	Set idle timeout
no-agent-forwarding	Disable agent forwarding
no-port-forwarding	Disable port forwarding
no-pty	Don’t allocate TTY
no-x11-forwarding	Disable X Window forwarding

~/.ssh2/identification keywords: 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