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Man Pages


Manual Reference Pages  -  GCLOUD_COMPUTE_FIREWALL-RULES_UPDATE (1)

NAME

gcloud compute firewall-rules update - update a firewall rule

CONTENTS

SYNOPSIS


gcloud compute firewall-rules update NAME [--allow [PROTOCOL[:PORT[-PORT]],...]] [--description DESCRIPTION] [--source-ranges [CIDR_RANGE,...]] [--source-tags [TAG,...]] [--target-tags [TAG,...]] [GLOBAL-FLAG ...]

DESCRIPTION

gcloud compute firewall-rules update is used to update firewall rules that allow incoming traffic to a network. Only arguments passed in will be updated on the firewall rule. Other attributes will remain unaffected.

POSITIONAL ARGUMENTS

NAME

The name of the firewall rule to update.

FLAGS

--allow [PROTOCOL[:PORT[-PORT]],...]

A list of protocols and ports whose traffic will be allowed.

PROTOCOL is the IP protocol whose traffic will be allowed. PROTOCOL can be either the name of a well-known protocol (e.g., tcp or icmp) or the IP protocol number. A list of IP protocols can be found at http://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml.

A port or port range can be specified after PROTOCOL to allow traffic through specific ports. If no port or port range is specified, connections through all ranges are allowed. For example, the following will create a rule that allows TCP traffic through port 80 and allows ICMP traffic:

$ gcloud compute firewall-rules update MY-RULE --allow tcp:80 icmp

TCP and UDP rules must include a port or port range.

Setting this will override the current values.

--description DESCRIPTION
A textual description for the firewall rule. Set to an empty string to clear existing.

--source-ranges [CIDR_RANGE,...]
A list of IP address blocks that are allowed to make inbound connections that match the firewall rule to the instances on the network. The IP address blocks must be specified in CIDR format: http://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing.

Setting this will override the existing source ranges for the firewall. The following will clear the existing source ranges: $ gcloud compute firewall-rules update MY-RULE --source-ranges

--source-tags [TAG,...]
A list of instance tags indicating the set of instances on the network which may make network connections that match the firewall rule. If omitted, all instances on the network can make connections that match the rule.

Tags can be assigned to instances during instance creation.

Setting this will override the existing source tags for the firewall. The following will clear the existing source tags: $ gcloud compute firewall-rules update MY-RULE --source-tags

--target-tags [TAG,...]
A list of instance tags indicating the set of instances on the network which may make accept inbound connections that match the firewall rule. If omitted, all instances on the network can receive inbound connections that match the rule.

Tags can be assigned to instances during instance creation.

Setting this will override the existing target tags for the firewall. The following will clear the existing target tags:

$ gcloud compute firewall-rules update MY-RULE --target-tags

GLOBAL FLAGS

Run $ gcloud help for a description of flags available to all commands.

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