By default, Winbox uses port 8291. Move this to a non-standard port under /ip service to avoid automated brute-force attacks.
Winbox 3.28 represents the pinnacle of the classic MikroTik management experience. It is fast, secure, and provides the granular control necessary for complex ISP and enterprise environments. Whether you are a hobbyist or a lead network engineer, version 3.28 provides the reliability needed to keep your uptime high and your configuration precise. winbox 3.28
Comprehensive Guide to Winbox 3.28: Features, Security, and Setup By default, Winbox uses port 8291