2019-04-09 22:13:59 +02:00
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# Attention, do not make changes
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2018-03-20 20:21:57 +01:00
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# {{ ansible_managed }}
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2018-03-09 03:13:41 +01:00
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2018-03-07 03:28:23 +01:00
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# Networking
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2019-04-14 15:01:00 +02:00
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Port {{ ssh_port }}
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2018-03-07 03:28:23 +01:00
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TCPKeepAlive yes
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# Key exchange
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#KexAlgorithms curve25519-sha256@libssh.org,
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# diffie-hellman-group-exchange-sha256
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2019-07-17 14:03:00 +02:00
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{% if ansible_distribution_release == 'wheezy' -%}
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KexAlgorithms diffie-hellman-group-exchange-sha256
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{%- else -%}
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KexAlgorithms diffie-hellman-group-exchange-sha256
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{%- if use_diffie_hellman_group_exchange_sha256 -%}
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,diffie-hellman-group-exchange-sha256
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{%- endif -%}
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{%- endif %}
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2018-03-07 03:28:23 +01:00
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# Server authentication
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Protocol 2
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2019-09-16 17:43:19 +02:00
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{% if ansible_distribution_release == 'wheezy' %}
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# HostKey /etc/ssh/ssh_host_ed25519_key
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2019-07-22 17:10:11 +02:00
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{% else %}
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2019-09-16 17:43:19 +02:00
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HostKey /etc/ssh/ssh_host_ed25519_key
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{% if generate_ecdsa_too %}
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2019-04-09 22:03:00 +02:00
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HostKey /etc/ssh/ssh_host_ecdsa_key
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2019-09-16 17:43:19 +02:00
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{% endif %}
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{% endif %}
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2018-03-07 03:28:23 +01:00
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# Not available in openssh 6.7
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# HostKeyAlgorithms ssh-ed25519-cert-v01@openssh.com,ssh-ed25519
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# Client authentication
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2019-04-08 19:34:58 +02:00
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PasswordAuthentication {{ sshd_password_authentication }}
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2018-03-07 03:28:23 +01:00
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ChallengeResponseAuthentication no
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PubkeyAuthentication yes
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# If you just want the PAM account and session checks to run without
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# PAM authentication, then enable this but set PasswordAuthentication
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# and ChallengeResponseAuthentication to 'no'.
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UsePAM yes
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# User Authentication
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2018-08-26 17:25:12 +02:00
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{% if restrict_allow_users|default(True) %}
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2018-03-07 03:28:23 +01:00
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AllowUsers {{ sshd_allow_users|join(' ') }}
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AllowGroups {{ sshd_allow_groups|join(' ') }}
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2018-08-26 17:25:12 +02:00
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{% endif %}
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2018-03-07 03:28:23 +01:00
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PermitRootLogin without-password
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LoginGraceTime 120
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StrictModes yes
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# Not available in openssh 6.7
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2019-04-09 22:03:00 +02:00
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{% if only_allow_ed25519 == false %}# {%
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endif %}PubkeyAcceptedKeyTypes ssh-ed25519-cert-v01@openssh.com,ssh-ed25519
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2018-03-07 03:28:23 +01:00
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# Symmetric ciphers
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#Ciphers chacha20-poly1305@openssh.com,
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# aes256-gcm@openssh.com,
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# aes128-gcm@openssh.com,
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# aes256-ctr,
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# aes192-ctr,
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# aes128-ctr
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2019-07-17 14:03:00 +02:00
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{% if ansible_distribution_release == 'wheezy' -%}
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Ciphers aes192-ctr,aes256-ctr,arcfour256
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{%- else -%}
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Ciphers chacha20-poly1305@openssh.com
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{%- if use_aes256_ctr -%}
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,aes256-ctr
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{%- endif -%}
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{%- endif %}
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2018-03-07 03:28:23 +01:00
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# Message authentication codes
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#MACs hmac-sha2-512-etm@openssh.com,
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# hmac-sha2-256-etm@openssh.com,
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# hmac-ripemd160-etm@openssh.com,
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# umac-128-etm@openssh.com,
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# hmac-sha2-512,
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# hmac-sha2-256,
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# hmac-ripemd160,
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# umac-128@openssh.com
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2019-07-17 14:03:00 +02:00
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{% if ansible_distribution_release == 'wheezy' -%}
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MACs hmac-sha1,umac-64@openssh.com,hmac-ripemd160
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{%- else -%}
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MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com
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{%- if use_hmac_sha2_512 -%}
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,hmac-sha2-512
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{%- endif -%}
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{%- endif %}
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2018-03-07 03:28:23 +01:00
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# Allow client to pass locale environment variables
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AcceptEnv LANG LC_*
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PrintMotd no
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# sftp (required by ansible)
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2019-11-20 09:44:44 +01:00
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# Subsystem sftp /usr/lib/openssh/sftp-server
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Subsystem sftp {{ sftp_binary }}
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2018-03-07 03:28:23 +01:00
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# ETC
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