Firemon - Linux
Overview
Firemon is a command-line tool used to manage firewall rules and security groups on AWS cloud infrastructure. It provides a comprehensive interface to configure, manage, and monitor firewall rules, helping you maintain a secure cloud environment.
Syntax
firemon [command] [options]
Options/Flags
- -h, –help: Display command usage.
- -v, –version: Display command version.
- -c, –config-file: Path to configuration file.
- -d, –debug: Enable debug output.
Commands
Commands:
- create: Create a new firewall rule.
- delete: Delete an existing firewall rule.
- update: Update an existing firewall rule.
- list: List all firewall rules.
- show: Show details of a specific firewall rule.
Subcommands:
| Subcommand | Description |
|—|—|
| security-group: Manage security groups associated with firewall rules. |
| rule-base: Manage rule bases for firewall rules. |
Examples
Create a Firewall Rule
firemon create --name my-firewall-rule --source-cidr 10.0.0.0/24 --port 22
Delete a Firewall Rule
firemon delete --id my-firewall-rule
Update a Firewall Rule
firemon update --id my-firewall-rule --description "Updated Firewall Rule"
List All Firewall Rules
firemon list
Common Issues
Error: "Firewall rule not found."
Solution: Ensure the firewall rule ID or name provided is correct.
Error: "Insufficient permissions to modify firewall rules."
Solution: Verify that the AWS user has the necessary permissions to manage firewall rules.
Integration
Firemon can be integrated with other AWS CLI commands to automate firewall management tasks, such as:
aws ec2 create-security-group --group-name my-security-group
firemon create --security-group my-security-group --port 80
Related Commands
- aws ec2 create-security-group: Create a new security group.
- aws ec2 authorize-security-group-ingress: Authorize incoming traffic to a security group.
- aws ec2 describe-security-groups: Describe existing security groups.