sshd: Disable CentOS 8+ crypto policies for sshd

roles/sshd/tasks/main.yml

@@ -1,11 +1,22 @@
 ---
 
+
+
 # based on mozilla recommended settings
 #   https://infosec.mozilla.org/guidelines/openssh.html
 #
 #   * prefer aes over chacha for hardware acceleration
 #   * use only ed25519 host key
 #
+- name: disable default crypto policy
+  lineinfile:
+    path: /etc/sysconfig/sshd
+    regexp: '^(#\s+)?CRYPTO_POLICY='
+    line: "CRYPTO_POLICY="
+  notify: restart sshd
+  when:
+    - ansible_distribution == "CentOS"
+    - ansible_distribution_version is version_compare("8", ">=")
 
 - name: tighten ssh kex algorithm
   lineinfile: