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903 Archives - AWS Managed Services by Anchor

Firewalling VMware ESX for console access

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One of Anchor’s more recent product offerings is VMware-based virtual private servers. As one of my colleagues has already detailed, we take extra measures to secure the VMware host server to reduce the possibility of a compromise. Our VPS offering uses VMware ESX, which runs on bare metal and doesn’t have a host operating system. This isn’t the full story – according to documentation it boots a Redhat Enterprise Linux 3 system, then loads the vmkernel which is where the real work is done. One of the nice things about this approach is that there’s a userspace environment in which to run support software, like good monitoring components. We ran into an odd problem recently with an ESX host server on a dedicated network segment, namely that we couldn’t view…

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