sshd: ansible-lint fixes

This commit is contained in:
Timo Makinen 2022-10-29 18:22:24 +00:00
parent bcbbaece64
commit 8cb151b985
2 changed files with 29 additions and 30 deletions

View file

@ -1,5 +1,5 @@
--- ---
- name: restart sshd - name: Restart sshd
service: ansible.builtin.service:
name: sshd name: sshd
state: restarted state: restarted

View file

@ -1,20 +1,19 @@
--- ---
- name: Disable AllowAgentForwarding
- name: disable AllowAgentForwarding ansible.builtin.lineinfile:
lineinfile:
path: /etc/ssh/sshd_config path: /etc/ssh/sshd_config
regexp: '^#?AllowAgentForwarding' regexp: '^#?AllowAgentForwarding'
line: 'AllowAgentForwarding no' line: 'AllowAgentForwarding no'
validate: "sshd -t -f %s" validate: "sshd -t -f %s"
notify: restart sshd notify: Restart sshd
- name: disable ChallengeResponseAuthentication - name: Disable ChallengeResponseAuthentication
lineinfile: ansible.builtin.lineinfile:
path: /etc/ssh/sshd_config path: /etc/ssh/sshd_config
regexp: '^#?ChallengeResponseAuthentication' regexp: '^#?ChallengeResponseAuthentication'
line: 'ChallengeResponseAuthentication no' line: 'ChallengeResponseAuthentication no'
validate: "sshd -t -f %s" validate: "sshd -t -f %s"
notify: restart sshd notify: Restart sshd
# based on mozilla recommended settings # based on mozilla recommended settings
# https://infosec.mozilla.org/guidelines/openssh.html # https://infosec.mozilla.org/guidelines/openssh.html
@ -22,64 +21,64 @@
# * prefer aes over chacha for hardware acceleration # * prefer aes over chacha for hardware acceleration
# * use only ed25519 host key # * use only ed25519 host key
# #
- name: disable default crypto policy - name: Disable default crypto policy
lineinfile: ansible.builtin.lineinfile:
path: /etc/sysconfig/sshd path: /etc/sysconfig/sshd
regexp: '^(#\s+)?CRYPTO_POLICY=' regexp: '^(#\s+)?CRYPTO_POLICY='
line: "CRYPTO_POLICY=" line: "CRYPTO_POLICY="
notify: restart sshd notify: Restart sshd
when: when:
- ansible_distribution == "CentOS" - ansible_distribution == "CentOS"
- ansible_distribution_version is version_compare("8", ">=") - ansible_distribution_version is version_compare("8", ">=")
- name: tighten ssh kex algorithm - name: Tighten ssh kex algorithm
lineinfile: ansible.builtin.lineinfile:
path: /etc/ssh/sshd_config path: /etc/ssh/sshd_config
line: "KexAlgorithms curve25519-sha256@libssh.org,\ line: "KexAlgorithms curve25519-sha256@libssh.org,\
diffie-hellman-group-exchange-sha256" diffie-hellman-group-exchange-sha256"
regexp: "^KexAlgorithms .*" regexp: "^KexAlgorithms .*"
validate: "sshd -t -f %s" validate: "sshd -t -f %s"
notify: restart sshd notify: Restart sshd
- name: tighten sshd ciphers - name: Tighten sshd ciphers
lineinfile: ansible.builtin.lineinfile:
path: /etc/ssh/sshd_config path: /etc/ssh/sshd_config
line: "Ciphers aes256-gcm@openssh.com,chacha20-poly1305@openssh.com,\ line: "Ciphers aes256-gcm@openssh.com,chacha20-poly1305@openssh.com,\
aes128-gcm@openssh.com,aes256-ctr,aes192-ctr,aes128-ctr" aes128-gcm@openssh.com,aes256-ctr,aes192-ctr,aes128-ctr"
regexp: "^Ciphers .*" regexp: "^Ciphers .*"
validate: "sshd -t -f %s" validate: "sshd -t -f %s"
notify: restart sshd notify: Restart sshd
- name: tighten sshd macs - name: Tighten sshd macs
lineinfile: ansible.builtin.lineinfile:
path: /etc/ssh/sshd_config path: /etc/ssh/sshd_config
line: "MACs hmac-sha2-512-etm@openssh.com,\ line: "MACs hmac-sha2-512-etm@openssh.com,\
hmac-sha2-256-etm@openssh.com,umac-128-etm@openssh.com,\ hmac-sha2-256-etm@openssh.com,umac-128-etm@openssh.com,\
hmac-sha2-512,hmac-sha2-256,umac-128@openssh.com" hmac-sha2-512,hmac-sha2-256,umac-128@openssh.com"
regexp: "^MACs .*" regexp: "^MACs .*"
validate: "sshd -t -f %s" validate: "sshd -t -f %s"
notify: restart sshd notify: Restart sshd
- name: disable ecdsa key from sshd - name: Disable ECDSA key from sshd
lineinfile: ansible.builtin.lineinfile:
path: /etc/ssh/sshd_config path: /etc/ssh/sshd_config
line: "#HostKey /etc/ssh/ssh_host_ecdsa_key" line: "#HostKey /etc/ssh/ssh_host_ecdsa_key"
regexp: "^#?HostKey /etc/ssh/ssh_host_ecdsa_key" regexp: "^#?HostKey /etc/ssh/ssh_host_ecdsa_key"
validate: "sshd -t -f %s" validate: "sshd -t -f %s"
notify: restart sshd notify: Restart sshd
- name: disable rsa key from sshd - name: Disable RSA key from sshd
lineinfile: ansible.builtin.lineinfile:
path: /etc/ssh/sshd_config path: /etc/ssh/sshd_config
line: "#HostKey /etc/ssh/ssh_host_rsa_key" line: "#HostKey /etc/ssh/ssh_host_rsa_key"
regexp: "^#?HostKey /etc/ssh/ssh_host_rsa_key" regexp: "^#?HostKey /etc/ssh/ssh_host_rsa_key"
validate: "sshd -t -f %s" validate: "sshd -t -f %s"
notify: restart sshd notify: Restart sshd
- name: enable ed25519 key from sshd - name: Enable ed25519 key from sshd
lineinfile: ansible.builtin.lineinfile:
path: /etc/ssh/sshd_config path: /etc/ssh/sshd_config
line: "HostKey /etc/ssh/ssh_host_ed25519_key" line: "HostKey /etc/ssh/ssh_host_ed25519_key"
regexp: "^#?HostKey /etc/ssh/ssh_host_ed25519_key" regexp: "^#?HostKey /etc/ssh/ssh_host_ed25519_key"
validate: "sshd -t -f %s" validate: "sshd -t -f %s"
notify: restart sshd notify: Restart sshd