UnrealIRCd
Open Source IRC server with strong security and modular design. Runs on Linux, macOS, and Windows. Powers 37% of IRC networks worldwide.
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The most popular open-source IRC server, powering 37% of IRC networks with strong security and modularity.
Core Features
- Full IRCv3 protocol support
- Modular architecture for easy extension
- Built-in SSL/TLS encryption and cloaking
- Advanced anti-flood and anti-spam systems
- JSON-RPC remote management
What It Can't Do
- •Configuration can be complex; beginners should read the official wiki first. Always back up configs before upgrades. Ensure firewall allows ports 6667 (plain) and 6697 (SSL). Cloud servers may need security group adjustments. Only supported on OS releases from the last ~5 years.
Use Cases
- Running private or corporate IRC chat servers
- Building large open-source community chat platforms
- Deploying IRC networks requiring high security and anti-abuse capabilities
Detailed Introduction
UnrealIRCd is a highly advanced, open-source IRC server that has been serving thousands of networks since 1999. It runs on Linux, macOS, and Windows, and is currently the most widely deployed IRCd with a market share of 37%. It focuses on modularity and security, featuring an advanced and highly configurable configuration file. Key features include full IRCv3 support, SSL/TLS encryption, cloaking, JSON-RPC, advanced anti-flood and anti-spam systems, GeoIP, remote includes, and extensive online documentation. It is architecture-agnostic and supports all major *NIX systems.
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Getting Started
Download installer
Click the button above to download the installer for your system
Install the software
Double-click the downloaded installer and follow the prompts
Step 1: Download the latest stable release (UnrealIRCd 6) from the official website for your platform
Step 2: On Linux/Mac, extract tarball, run ./Config, then make and install; on Windows, run the installer
Step 3: Edit the configuration file (e.g., ~/unrealircd/conf/unrealircd.conf) to set server name, admin email, etc.
- Step 1: Download the latest stable release (UnrealIRCd 6) from the official website for your platform
- Step 2: On Linux/Mac, extract tarball, run ./Config, then make and install; on Windows, run the installer
- Step 3: Edit the configuration file (e.g., ~/unrealircd/conf/unrealircd.conf) to set server name, admin email, etc.
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Open Source Transparency
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Linux/Mac: Delete the installation directory (e.g., ~/unrealircd) and config files. Windows: Use 'Programs and Features' in Control Panel, then manually remove leftover data if needed.
No Extra Dependencies
Ready to use after download. No additional runtime required.
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