Windows 11 Defender Firewall aggressively blocks incoming legacy traffic. You must manually allow 3CDaemon through. Press the , type Control Panel , and hit enter. Go to System and Security > Windows Defender Firewall .
: The most "useful" paper for a Windows 11 user is the original 3CDaemon Documentation 3cdaemon windows 11
: Because it needs to "bind" to network ports (like Port 69 for TFTP), you must right-click the executable and select Run as Administrator . Go to System and Security > Windows Defender Firewall
logging host [Windows11-IP]
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The built-in FTP server does not support FTPS or SFTP. Credentials are sent over the wire in plain text.
Windows 11’s firewall is aggressive. 3CDaemon uses the following ports: