I’ve come across this little issue whilst trying to make some changes to my ESX firewall.

I connected to my ESX Host using Putty and logged in using my non-privileged account (Called login) and then to run the ESXCFG commands i needed to change to my Root user.

So i entered su and put in the root password when prompted. I could see that my user account had been changed to root so i tried to run the esxcfg-firewall command.

This is what i found;

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