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A Cloud Guru

Using Ansible Modules to Manage Security in Your Environment

Security is paramount in many industries today. Ansible can help make sure your environment is set up as your security office requires by pushing out changes and ensuring that current settings are live. In this lab, we'll practice firewall and SELinux configuration.

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Path Info

Level

Intermediate

Duration

30m

Published

Oct 18, 2019

Challenge

Ensure Ports 80 and 22 Are Open on Webservers

Your playbook should look similar to the following:

```
---
- name: webserver firewall rules
  hosts: webservers
  become: yes

  tasks:
   - name: ssh firewall rules
     firewalld:
      permanent: yes
      state: enabled
      immediate: yes
      service: ssh

   - name: http firewall rules
     firewalld:
      permanent: yes
      state: enabled
      immediate: yes
      service: http
```

Challenge

Ensure Ports 5432 and 22 Are Open on dbservers

Your playbook should contain something similar to the following:

```
- name: Set up firewalls on dbservers
  hosts: dbservers
  become: yes

  tasks:
   - name: ssh firewall rules
     firewalld:
      permanent: yes
      state: enabled
      immediate: yes
      service: ssh

   - name: postgres rules
     firewalld:
      permanent: yes
      state: enabled
      immediate: yes
      service: postgresql
```

Challenge

Enable SELinux on All Servers

Your playbook should look similar to the following:

```
- name: SELinux
  hosts: all
  become: yes

  tasks:
   - name: Enable SELinux
     selinux:
      state: enforcing
      policy: targeted
```

Author

A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.