Shorewall VS cppq

• Comprehensive Configuration
  Shorewall offers a comprehensive framework for configuring firewall rules, allowing for detailed network management and control over traffic flow.
• Rule Management
  It provides powerful rule management capabilities, with the ability to define rules based on zones, interfaces, and IP addresses.
• Flexible Deployment
  Shorewall can be deployed in various environments, supporting both IPv4 and IPv6, with options for advanced configurations like VPNs and port forwarding.
• Strong Community Support
  The tool is backed by strong community support with extensive documentation, forums, and user-contributed scripts.
• Compatibility
  Shorewall is highly compatible with Linux-based systems and leverages netfilter/iptables which is built into the Linux kernel.

Possible disadvantages

• Complexity
  The comprehensive configuration options can be complex, posing a steep learning curve for users unfamiliar with advanced networking concepts.
• Dependency on Command Line
  Shorewall primarily relies on command-line interfaces for configuration, which may not be intuitive for all users, especially those accustomed to graphical interfaces.
• Limited GUI Options
  While there are some third-party GUIs available, Shorewall does not provide native graphical user interface tools for managing firewall rules, which could limit usability for some users.
• Resource Intensive
  Depending on the complexity and number of rules, Shorewall can become resource-intensive, potentially affecting system performance.
• Targeted for Advanced Users
  The tool caters more to advanced users or system administrators, with less focus on novices or users requiring simpler configurations.

• Lightweight C++ implementation
  cppq is written in modern C++ and designed to be a minimal, efficient task queue library, making it a good fit for performance-sensitive applications where the overhead of scripting language runtimes is undesirable.
• Redis-backed reliability
  Built on top of Redis as the message broker, cppq benefits from Redis's persistence, atomic operations, and wide adoption, giving the queue system durability and the ability to survive process restarts.
• Inspired by proven design (asynq)
  The library's architecture mirrors the popular Go asynq task queue, so it inherits a well-thought-out API design for task enqueueing, retries, and worker processing patterns that have already been validated in production systems.
• Native integration for C++ projects
  For teams already working in a C++ codebase, cppq allows adding background job processing without needing to introduce a separate service written in another language (like Go or Python), simplifying the technology stack.
• Open source and inspectable
  Being open source on GitHub, developers can review the source code, modify it for custom needs, and contribute improvements, which offers transparency not available with closed-source queueing solutions.

Possible disadvantages

• Limited maturity and battle-testing
  Compared to established task queue libraries like Sidekiq, Celery, or asynq itself, cppq is a newer and smaller project with less real-world production usage, which may translate into undiscovered bugs or edge cases.
• Smaller community and ecosystem
  Because it has far fewer users and contributors than mainstream task queue systems, finding community support, third-party tutorials, or pre-built integrations is more difficult.
• Documentation gaps
  As a smaller project, cppq may have less comprehensive documentation compared to major task queue frameworks, requiring developers to read source code directly to understand advanced features or edge-case behaviors.
• C++ build and dependency complexity
  Using cppq requires managing C++ build toolchains and dependencies (such as a Redis client library), which can be more cumbersome than installing a package via pip or npm in other ecosystems.
• Fewer built-in features and tooling
  cppq likely lacks the extensive ecosystem tooling of more mature queues, such as web-based monitoring dashboards, extensive metrics/observability integrations, or advanced scheduling features found in more established solutions.

No analysis of Shorewall yet.

Shorewall sobre CentOS 7.7

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• DHCP is not blocked by ufw/iptables

  All mentioned items have side-channel borked firewall and route rules in the past. Some bugs intermittently silently block local daemon instances from (re)loading like magic (some bugs only happen when the system is brought up). If your... - Source: Hacker News / about 3 years ago

• Life After Shorewall: Replacement Options?

  I've been using Shorewall for the last decade or so on everything from custom OpenWRT firewall/gateway solutions to servers running Debian or Ubuntu. It's great software that makes managing iptables/netfilter a breeze. Alas after many... Source: over 3 years ago

• Tunneling private networked host to the internet through public-facing server?

  Shorewall (https://shorewall.org/) can do the job easily. Source: almost 4 years ago

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Tracking cppq since Nov 2022.