Harden VMware ESXi security

Improve security using a firewall and proxy server

Aug. 31, 2021 - Willem L. Middelkoop

In response to an incident on a server, I detected a possible security breach. The affected machine ran VMware ESXi, a bare metal hypervisor used to run virtual private servers. In standalone mode, a web based management console offers full control over the infrastructure, posing a risk.

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VMware ESXi is a bare metal hypervisor that divides one physical server into multiple virtual servers

nginx configuration to authenticate and forward traffic to a VMware administrative console

VMware ESXi web interface - inviting you and others to manage this physical machine

Finding exposed VMware ESXi web interfaces requires nothing but some Google skills

Pre-authenticate traffic to the administrative console through a small and simple Debian GNU/Linux server with nginx proxy

Two proxy servers providing secure access to multiple VMware hosts

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Articles (155)

2024-12-19 Data versus Feeling
2024-12-09 The Problem With Bitcoin
2024-11-11 Write your own words
2024-11-10 Go Viral on X
2024-10-20 Marathon
2024-09-10 I see dead people
2024-05-11 Developing a native iOS app
2024-03-24 Half Marathon
2024-03-05 No, I Won't Build That!
2024-02-16 Vision Pro
2024-01-16 Health and fitness data
2023-12-15 Backup Rotation Scheme
2023-11-10 Apple Watch as Phone
2023-11-01 And... there is light!
2023-10-14 Giving AI Training
2023-10-13 Hello, stranger
2023-08-23 The Same, Differently
2023-05-31 Impact of training
2023-05-08 Tablet as Tool
2023-05-03 Using AI to generate code
2023-05-01 Working Offline First
2023-04-20 Tips for Long-Distance Cycling
2023-04-05 Cutting Cloud Costs
2023-02-08 Back to the University
2022-12-22 Rolex DateJust 36
2022-11-01 Moving to the countryside
2022-10-23 MUSE in Carré
2022-09-15 The Ultimate Freedom Bike
2022-09-11 Computer says no
2022-07-30 CAPTCHA Alternative
2022-07-17 Offline Music
2022-04-18 Snake '97 High Scores
2022-01-14 Wearing WHOOP 4.0
2021-12-09 For the love of mini
2021-11-19 Escaping the flat tires
2021-10-25 Using Google Free Android
2021-09-30 Inspiration from a child
2021-08-31 Protecting VMware ESXi
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2021-06-05 Wearing Grand Seiko
2021-05-31 Using the reMarkable paper tablet
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2020-08-23 Cleaning a vintage watch
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2020-03-25 Designing and implementing a (micro) payment system
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2019-10-07 Multi-Window support in your iPad app
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2019-08-28 Riding with a power meter on your bike
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2019-07-16 Limitations of sleep tracking using a wearable
2019-07-15 Optical vs chest strap heart rate monitors
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2019-06-24 Six months with MCADD
2019-05-29 Solo around the Markermeer (211KM)
2019-05-24 Dig for dummies
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2019-04-25 Search like a pro: Google search operators
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2019-03-20 Servicing a robot vacuum cleaner
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2018-10-16 Rescuing files from a broken harddisk
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2018-09-26 Optimising images for the web and performance
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2018-08-20 Google Analytics vs AWStats
2018-07-20 Helping people with free software
2018-07-10 Enjoy a festival without alcohol
2018-06-09 Removing paint from a bike frame
2018-06-02 Creating a minimal iPhone stand
2018-05-17 Listen to your body
2018-05-09 Lunch by plane
2018-04-30 Off the grid: Working on 100% renewable energy
2018-04-18 Outside the comfort zone: amateur acting
2018-03-10 Cyber security: 5 easy tips to protect your server against hackers
2018-03-07 Tablet as main computer
2018-02-24 Creating the ultimate commuter bike
2018-02-21 Updating Snake '97
2018-01-21 Something the smartwatch will never have: patina
2018-01-08 Lessons from a takeaway plastic bag
2017-12-02 Commuting by bike
2017-11-15 Collecting health data with Biostrap
2017-10-23 From tree to table
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2017-09-02 Climbing Mount Etna
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2017-07-31 The day I killed my LAN
2017-06-30 Fietselfstedentocht 2017
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