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Mastering Proxmox

You're reading from Mastering Proxmox Build virtualized environments using the Proxmox VE hypervisor

Product type Paperback

Published in Nov 2017

Publisher Packt

ISBN-13 9781788397605

Length 494 pages

Edition 3rd Edition

Tools

Ceph

Concepts

Cloud Computing

Author (1):

Wasim Ahmed

View More author details

Table of Contents (17) Chapters

Preface

1. Understanding Proxmox VE and Advanced Installation FREE CHAPTER

2. Creating a Cluster and Exploring the Proxmox GUI

3. Proxmox under the Hood

4. Storage Systems

5. Installing and Configuring Ceph

6. KVM Virtual Machines

7. LXC Virtual Machines

8. Network of Virtual Networks

9. The Proxmox VE Firewall

10. Proxmox High Availability

11. Monitoring the Proxmox Cluster

12. Proxmox Production-Level Setup

13. Back Up and Restore Virtual Machines

14. Updating/Upgrading Proxmox

15. Proxmox Troubleshooting

16. Rescuing Proxmox

Configuring the data center-specific firewall

As mentioned earlier, data center-specific firewall rules affect all resources, such as clusters, nodes, and virtual machines. Any rules created in this zone are cascaded to both hosts and VMs. This zone is also used to fully lock down a cluster to drop all incoming traffic and then only open what is required. In a freshly installed Proxmox cluster, the data center-wide firewall option is disabled.

Note

CAUTION! Extra attention should always be used when creating data center-specific firewall rules to prevent full cluster lockout.

Configuring the Datacenter firewall through the GUI

The following screenshot shows the Firewall option for the Datacenter zone through the Options tab by navigating to Datacenter | Firewall | Options:

As we can see in the preceding screenshot, by default the Proxmox firewall for the Datacenter zone is disabled with Input Policy set to DROP and Output Policy set to ACCEPT. If we did enable this firewall option right now...

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Authors (1)

Ahmed

Ahmed

Asad Jibran Ahmed is an experienced programmer who has worked mostly with Django-based web applications for the past 5 years. Based in Dubai, UAE, he has worked with some of the biggest web properties in the region, including Dubizzle, the number one classifieds platform in UAE; Nabbesh, one of the top freelancing platforms in the MENA region; and Just Property, a hot and rising name in the property portal space of the region. His experience with such big names has given him a keen insight into how to design performant, stable, and user friendly web applications, all the while using programming practices that make sure that the code base is maintainable for years.

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