Ferm
ferm is a command line firewall manager tool for iptables. It allows users to easily configure iptables firewall rules using simple configuration files instead of complex iptables commands. It helps manage complex firewall policies in a simplified and automated way.
firewall
iptables
network-security
Ferm: Command Line Firewall Manager for IPTABLES
A command line firewall manager tool for iptables, simplifying complex firewall policies with easy configuration files
What is Ferm?
ferm is an open source firewall manager tool that helps to easily configure iptables firewall rules on Linux systems. It uses simple and readable configuration files to generate the underlying complex iptables rules and allows for easy management of even complex firewall policies.
Some key features of ferm include:
- Configuration files use simple syntax which is easy to understand
- Supports rule sets for different types of connections (iptables chains)
- Automatic rule insertion for related traffic in both directions
- Variables, templates and includes for reusable configurations
- Dry run capability to test rules before applying
- Ideal for servers, routers, containers/VMs or workstations
- Active development and community support
Instead of building a script with multiple iptables commands, ferm allows you to describe the firewall policy in a structured config file. Ferm then handles generating, organizing and loading the actual iptables rules. This makes management much simpler compared to raw iptables while still providing flexibility. Ferm is considered one of the best firewall managers for iptables.
Ferm Features
Features
- Configuration using simple configuration files instead of iptables commands
- Automated firewall rule management
- Support for IPv4 and IPv6
- Rulesets to organize firewall policies
- Variables for reuse and simplification
- Built-in templates for common configurations
- Dry-run mode to test rules before applying
- Import/export rules to share configurations
Pricing
- Open Source
Pros
Simplifies iptables firewall configuration
Powerful automation capabilities
Good for managing complex firewall policies
Active development and maintenance
Cons
Less flexibility compared to raw iptables
Steeper learning curve than basic iptables
Requires some knowledge of iptables concepts
Limited debugging capabilities
Official Links
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