Create

1 min readUpdated 7 November 2025

Creates a new security rule in a Vultr firewall group to control network traffic based on specified protocols, ports, and IP addresses.

The vultr-cli firewall rule create command adds a new security rule to a Vultr firewall group, controlling network traffic based on specified protocols, ports, and IP addresses.

Usage

CONSOLE

$ vultr-cli firewall rule create <Firewall Group ID> [flags]

Examples

CONSOLE
# Full examples
$ vultr-cli firewall rule create --id=f04ae5aa-ff6a-4078-900d-78cc17dca2d5 --ip-type=v4 --protocol=tcp --size=24 \
--subnet=127.0.0.0 --port=30000

$ vultr-cli firewall rule create --id=f04ae5aa-ff6a-4078-900d-78cc17dca2d5 --ip-type=v4 --protocol=icmp --size=24 \
--subnet=127.0.0.0

# Shortened example with aliases
$ vultr-cli fw r c -i=f04ae5aa-ff6a-4078-900d-78cc17dca2d5 -t=v4 -p=tcp -z=24 -s=127.0.0.0 -r=30000
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Flags

Shorthand	Long Version	Description
-t	--ip-type	The type of IP rule - v4 or v6.
-n	--notes	(optional) This field supports notes up to 255 characters.
-r	--port	(optional) TCP/UDP only. This field can be an integer value specifying a port or a colon separated port range.
-p	--protocol	Protocol type. Possible values: `icmp`, `tcp`, `udp`, `gre`.
-z	--size	The number of bits for the netmask in CIDR notation.
-	--source	(optional) When empty, uses value from subnet and size. If "cloudflare", allows all Cloudflare IP space through firewall.
-s	--subnet	The IPv4 network in CIDR notation.

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