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README.md

sshd

Description

This Ansible role configures the OpenSSH daemon (sshd) by deploying a templated sshd_config file. It applies secure, best-practice settings—such as disabling root login, enforcing public-key authentication, and setting appropriate logging levels—to harden remote access and reduce the risk of misconfiguration or lockout.

Overview

  • Renders sshd_config.j2 into /etc/ssh/sshd_config with customizable options
  • Sets file ownership (root:root) and permissions (0644)
  • Automatically reloads and restarts the SSH service via a Systemd handler
  • Uses a run_once_sshd fact to ensure idempotent execution

Features

  • Templated Configuration
    Delivers a Jinja2-based sshd_config with variables for debug logging and PAM support.

  • Security Defaults

    • Disables password (PasswordAuthentication no) and root login (PermitRootLogin no)
    • Enforces public-key authentication (PubkeyAuthentication yes)
    • Conditionally sets LogLevel to DEBUG3 when enable_debug is true

  • Systemd Integration
    Handles daemon reload and service restart seamlessly on configuration changes.

  • Idempotency
    Ensures tasks run only once per play by setting the run_once_sshd fact.

Further Resources