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Port range and esxcfg-firewall

Duncan Epping · Dec 27, 2007 ·

An often made mistake when trying to open up or close a port range with the ESX(3.0.2 and 3.5) firewall is using the dash(-) as a divider. Using the dash unfortunately does not always result in an error. To open up or close a port range you should use a collon(:) as a divider:

esxcfg-firewall –openport 6000:6010,tcp,in,test

[Read more…] about Port range and esxcfg-firewall

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Duncan Epping is a Chief Technologist in the Office of the CTO in the Cloud Infrastructure Business Group (CIBG) at VMware. Besides writing on Yellow-Bricks, Duncan co-authors the vSAN Deep Dive book series and the vSphere Clustering Deep Dive book series. Duncan also co-hosts the Unexplored Territory Podcast.

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