sshd

sshd (OpenSSH Daemon) is the daemon program for ssh. Together these programs replace rlogin and rsh, and provide secure encrypted communications between two untrusted hosts over an insecure network.

Documentation

• man 8 'sshd' [EN]

Installation & Configuration

Files

• /
  • etc/
    • conf.d/ (Used in Gentoo)
      • sshd, Example: 1
    • ssh/
      • sshd_config, Example: 2

Syntax

sshd [PARAMETER ...]

Parameters

-4

Forces sshd to use IPv4 addresses only.

-6

Forces sshd to use IPv6 addresses only.

-t

Test mode. Only check the validity of the configuration file and sanity of the keys. This is useful for updating sshd reliably as configuration options may change.

Examples

Test the current configuration

sshd -t