cyberpanel/cyberpanel-mods/rdns/INDEX.md

CyberPanel rDNS Fix Mod for v2.4.4

Overview

This mod fixes critical bugs and issues in the rDNS (reverse DNS) validation system in CyberPanel 2.4.4.

Files in This Mod

Documentation

• rDNS-Fix-README.md - Comprehensive documentation of all fixes and issues
• INSTALL.md - Step-by-step installation guide
• INDEX.md - This file, mod overview and quick reference

Installation Scripts

• apply-rdns-fix.sh - Automatic installation script (recommended)

Fixed Code Files

• mailUtilities_fixed.py - Complete fixed reverse_dns_lookup() function
• virtualHostUtilities_fixed.py - Fixed code sections for OnBoardingHostName() function

Quick Start

One-Liner (Recommended)

sh <(curl https://raw.githubusercontent.com/master3395/cyberpanel-mods/main/rdns/rdns-fix.sh || wget -O - https://raw.githubusercontent.com/master3395/cyberpanel-mods/main/rdns/rdns-fix.sh)

Local Installation

cd cyberpanel-mods/rdns
chmod +x rdns-fix.sh
sudo ./rdns-fix.sh

Issues Fixed

1. ✅ NameError Bug - Fixed undefined variable msg → e
2. ✅ Empty List Handling - Proper validation of empty rDNS results
3. ✅ Silent Exception Swallowing - Replaced with specific error handling
4. ✅ API Failure Handling - Comprehensive error handling for DNS server failures
5. ✅ Logic Flow Issues - Fixed validation flow when rDNS lookup fails
6. ✅ Error Messages - Enhanced with debugging information

Compatibility

• CyberPanel Version: 2.4.4
• Python: 3.6+ (compatible with CyberPanel 2.4.4)
• OS: All supported by CyberPanel 2.4.4

Related Links

• CyberPanel v2.4.4 Repository
• CyberPanel Documentation

Support

See rDNS-Fix-README.md for detailed troubleshooting and support information.