- Add modifyRule function to allow editing firewall rules without deletion
- Add modify button and modal for firewall rules (similar to banned IPs)
- Fix exportRules function to properly handle file downloads with blob response
- Improve importRules function with better error handling and PNotify notifications
- Add exportBannedIPs and importBannedIPs functionality
- Add export/import buttons for banned IPs
- Improve error handling and user feedback for all export/import operations
- Add proper validation and duplicate detection for imports
- Implemented `exportFirewallRules` method in `FirewallManager` to export custom firewall rules to a JSON file, excluding default rules.
- Added `importFirewallRules` method to handle the import of firewall rules from a JSON file, with validation and error handling.
- Updated `urls.py` to include routes for exporting and importing firewall rules.
- Created corresponding view functions in `views.py` to manage requests for exporting and importing rules.
- Enhanced the frontend with buttons for exporting and importing rules, along with appropriate loading and error handling in `firewall.js`.
- Updated the HTML template to include export/import buttons and loading indicators for better user experience.
- Remove CSF menu item from sidebar navigation
- Disable CSF-related URL endpoints in firewall module
- Update upgrade process to automatically remove CSF and restore firewalld
- Archive CSF template and configuration files
- Clean up CSF references in settings and upgrade scripts
CSF (ConfigServer Security & Firewall) is shutting down on August 31, 2025.
This commit removes CSF integration and ensures firewalld is restored as the
default firewall solution during upgrades.
Fixes#1473
