: Ensure your Windows Defender or third-party antivirus isn't blocking the IRC client's incoming traffic. Check "DCC Ignore" Settings
: Go to Tools > Options > DCC > Ignore . Change the method to "Disabled" or manually add the file extension you are trying to receive. dcc download not working
: Open a range of ports (e.g., 1024–5000) in your router settings and point them to your local IP address. : Ensure your Windows Defender or third-party antivirus
Below are the most effective fixes for both scenarios, covering everything from firewall settings to script dependencies. 1. Troubleshooting IRC DCC Transfers (mIRC, HexChat, etc.) : Open a range of ports (e
: If the download won't even start, ensure "Auto-accept" is enabled or that you are looking for the confirmation popup that often disappears behind other windows. Passive vs. Active DCC
If you are behind a strict firewall or CGNAT (common on mobile hotspots or university Wi-Fi), "Active" DCC often fails. xdcc downloads not working - mIRC Discussion Forums
: If you don’t want to manually forward ports, check if your IRC client and router both have UPnP (Universal Plug and Play) enabled to automate the process.