O'Reilly logo

Linux in a Nutshell, 6th Edition by Robert Love, Stephen Figgins, Ellen Siever, Arnold Robbins

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Name

esxcfg-firewall

Synopsis

esxcfg-firewall [options]

Configure a firewall for the service console. ESX uses iptables to provide the firewall. Don’t use the iptables command to configure it, though; use this command instead. In its default configuration, it denies all incoming or outgoing connections except for the ports required for the server to function:

--allowIncoming

Allow incoming connections by default.

--allowOutgoing

Allow outgoing connections by default.

--blockIncoming

Block incoming connections by default.

--blockOutgoing

Block outgoing connections by default.

-c port type direction, --close port,type,direction

Close a port. The type may be tcp or udp, The direction may be in or out.

-d [service], --disableService [service]

Close the ports required by the specified service.

-e [service], --enableService [service]

Open the ports required by the specified service.

-h, --help

Print a usage message. This is the default if no options are given.

-l, --load

Load current firewall settings into iptables.

-q [service], --query [service]

Print all current settings or the state of a service specified by name. Instead of a service you can query the default settings for incoming or outgoing packets.

-o port type direction name, --open port,type,direction,name

Open a port. The type may be tcp or udp, The direction may be in or out. You must give the service you have opened a name.

-r, --resetDefaults

Reset all parameters to the installed defaults.

-s, --services

List known service names.

Example

Allow vmware-cmd ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required