O'Reilly logo

SSH, The Secure Shell: The Definitive Guide, 2nd Edition by Robert G. Byrnes, Richard E. Silverman, Daniel J. Barrett

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

sshd Keywords

OpenSSH

Tectia

Keyword

Value

Meaning

#

Any text

Comment line

 

AcceptEnv

Variables

Copy client environment variables to server

 

AllowAgentForwarding

Yes/no

Same as ForwardAgent

 

AllowedAuthentications

Auth types

Permitted authentication techniques

AllowGroups

Group list

Access control by Unix group

 

AllowHosts

Host list

Access control by hostname

 

AllowSHosts

Host list

Access control via .shosts

AllowTcpForwarding

Yes/no

Enable TCP port forwarding

 

AllowTcpForwardingForUsers

User list

Per user forwarding

 

AllowTcpForwardingForGroups

Group list

Per group forwarding

AllowUsers

User list

Access control by username

 

AllowX11Forwarding

Yes/no

Same as ForwardX11

 

AuthInteractiveFailureTimeout

Seconds

 
 

AuthKbdInt.NumOptional

# submethods

Set number of optional submethods required for authentication

 

AuthKbdInt.Optional

Auth methods

Set optional authentication submethods for keyboard-interactive auth

 

AuthKbdInt.Plugin

Filename

Path to plugin for keyboard-interactive auth

 

AuthKbdInt.RADIUS.NASIdentifier

 

Client identifier for RADIUS keyboard-interactive authentication

 

AuthKbdInt.RADIUS.Server

Server spec

RADIUS server for keyboard-interactive auth

 

AuthKbdInt.Required

Auth methods

Set required authentication submethods for keyboard-interactive auth

 

AuthKbdInt.Retries

# retries

Permitted retries for keyboard-interactive auth

 

AuthorizationFile

Filename

Location of authorization file

 

AuthorizedKeysFile

Filename

Location ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required