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ESXi includes a firewall between the management interface and the network. To ensure the integrity of the host, VMware has reduced the number of firewall ports that are open by default. The ESXi firewall is enabled by default. At installation time, the firewall is configured to block incoming and outgoing traffic, except traffic for the default services. The firewall also allows Internet Control Message Protocol (ICMP) pings and communication with DHCP and DNS (UDP only) clients.

From the host Security Profile panel, you can configure firewall properties for this host. The Secuirty Profile panel lists the incoming and outgoing connections for the firewall and the port each service uses. The panel also displays the IP addresses that are allowed to connect for each service. You can modify the list of services and the allowed IP addresses for each service.

You can add supported services and management agents that are required to operate the host by adding ruleset files to the ESXi firewall configuration file directory /etc/vmware/firewall/. You open or close ports for these services by enabling or disabling the service on the host's security profile in the vSphere Client.

I've recorded a video which will show you the new vSphere 5 iSCSI UI support and some other usability improvements. In vSphere 5 you'll have the ability to configure dependent hardware iSCSI and software iSCSI adapters along with the network configurations and port binding in a single dialog box using the vSphere Client. Full SDK access is also available for these configurations.

If you use the software or dependent hardware iSCSI adapters, you must configure connections for the traffic between the iSCSI component and the physical network adapters. Configuring the network connection involves creating a virtual VMkernel interface for each physical network adapter and associating the interface with an appropriate iSCSI adapter.

If your host has more than one physical network adapter for software and dependent hardware iSCSI, use the adapters for multipathing. You can connect the software iSCSI adapter with any physical NICs available on your host. The dependent iSCSI adapters can be connected only with their own physical NICs.

We all know Carter from the days he brought PowerCLI to the market. After the successful launch of this new automation product, Carter moved over to Spring, where he’s working as a product manager of one of the most secret Spring projects. For these secret projects he was looking for a tool or appliance which could be sued to introduce low network bandwidth, latency and packet loss in order to test his cool WebApps. After some searching and tweeting around he has decided to build an appliance on his own. WANatronic uses Ubuntu 8.04 JEOS, RC tools and IP tables. I’ve recorded a short video about what you can do with it and how it works. If you’re interested in giving it a try and you’re using vSphere, I’ve created a VMware vSphere WANatronic 10001 appliance OVF file which can be downloaded from this location.

I’m very busy with preparing my upcoming "Mythbusters Goes Virtual" VMworld session which will go deep into a few specific well known vSphere myths. The myth busting will be done by Mattias Sundling and me. I’ll have the honour to debunk the fact that RDM offers a better performance compared to VMFS. My lab wasn’t equipped with a device that offers RDM storage and VMFS storage but luckily my good friend Duco Jaspars brought my into contact with Iomega’s Benelux country manager Filip Joly.

Deploying a new VM in the vCloud is very easy. Just go to your Catalog, select one of your vApps Templates and choose “Add to My Cloud”. But what if you want to move an existing virtual machine from your local vCenter server of private vCloud to BleuLock’s vCloud Datacenter? It’s also very easy. Launch the vCloud Connector from your vSphere client and move your existing virtual machines wherever you want.

The VMware vCloud Connector is a free plug-in that will allow VMware vSphere administrators to immediately begin deploying and managing virtual machines across VMware vCloud Powered cloud services from within the VMware vSphere Client. In this video I’ll show you how to configure both the vCenter server and the vCloud Director address and how to upload a virtual machine to BlueLock’s vCloud.

Arista vEOS is a virtual-machine-based or switch-integrated implementation of Arista EOS that integrates with VMware vSphere to provide the network operator visibility and configuration access to the virtual switches within the virtual server environment.In this video I'll show you how to deploy the vEOS virtual appliance.

VMware Labs present its latest fling, the Ruby vSphere Console - RVC is an open source project. Ruby vSphere Console (RVC) is a console UI for vSphere, built on the RbVmomi bindings to the vSphere API. RVC is a console UI for VMware ESX and vCenter. The vSphere object graph is presented as a virtual filesystem, allowing you to navigate and run commands against managed entities using familiar shell syntax.

Features:

• Tab Completion

• Marks

• Ruby Mode

• VMODL Introspection

• Multiple Connections

• Extensibility

This video will show you how to get up-and-running. You'll learn how to install the Ruby vSphere Console and how to connect to the vCenter Server. I'll also show some basic tasks like powering off and -on virtual machines.

Video - Getting Started With VMware Cloud Foundry - Getting Started with Cloud Foundry provides information about installing and starting VMware Cloud Foundry, the VMware Application Platform as a Service (PaaS) solution. This video is intended for anyone who wants to install, configure, and use VMware Cloud Foundry.

Using Private VLANs doesn’t consolidate the number of VLANs used or does it? If you want to add security between virtual machines on the same subnet without exhausting VLAN number space, VMware advises to use Private VLANs. Private VLANs are an excellent way to provide layer 2 network isolation between servers in the same subnet. In this video you will learn that using Community Private VLANS doesn’t consolidate the number of VLANs used. On the other hand, when using Isolated Private VLANs you won’t exhaust the number of available VLAN IDs.

While I was prepping for my upcoming VCP-DT (beta) exam, I couldn’t resist recording a new video and here it is. The VMware View Composer, a key component of VMware vSphere 4.6, is tightly integrated with VMware View Manager to provide advanced image management and storage optimization. VMware View Composer reduces storage requirements for virtual desktop machines by up to 90 percent and enables organizations to more effectively manage their desktop images.