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1 min readUpdated 30 September 2026

Create a firewall rule for a NAT gateway in a Vultr VPC with the Vultr CLI, setting the protocol, port, and IP range. Includes usage, flags, and an example.

Creates a new firewall rule for a specified NAT gateway within a VPC, defining traffic filtering criteria such as protocol, port, and IP range.

Usage

CONSOLE

$ vultr-cli vpc nat-gateway firewall-rule create <VPC ID> <NAT Gateway ID> [flags]

Examples

CONSOLE
# Full example
$ vultr-cli vpc nat-gateway firewall-rule create e3512e83-64e9-4d3e-a401-9b86f2e09b1d \
efc811e7-d07d-45b1-b50e-19a0c2936ce0 --protocol="tcp" --port="123" --subnet="1.2.3.4" --subnet-size="24" \
--notes="example rule"

--notes is optional. Everything else is required

# Shortened example with aliases
$ vultr-cli vpc ng fr c e3512e83-64e9-4d3e-a401-9b86f2e09b1d efc811e7-d07d-45b1-b50e-19a0c2936ce0 --protocol="tcp" \
-p="123" -s="1.2.3.4" --subnet-size="24" -n="example rule"
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Flags

Shorthand	Long Version	Description
-n	--notes	notes for the new NAT Gateway firewall rule
-p	--port	port or port range for the new NAT Gateway firewall rule
-	--protocol	protocol for the new NAT Gateway firewall rule
-s	--subnet	subnet for the new NAT Gateway firewall rule
-	--subnet-size	subnet size for the new NAT Gateway firewall rule

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Create a NAT Gateway Firewall Rule with the Vultr CLI | Vultr Docs