login failure via winbox from mikrotik ip

Hello,
I’m getting login failures for user “admin” around every minute from a ip address which belongs to the router itself.

login failure for user admin from 10.0.0.244 via winbox

Winbox service is restricted to our internal subnets.

Any idead what causing this?

dude?

OMG, thank you, exactly.

I got the same issues, a lot of login failure for user admin from IP xxxx.yyyy.zzzz.wwww via winbox, since admin account was disabled,
i reenabled it but the error is the same, dude is enabled but login with another user account, does Dude needed to be login with admin?

May i know how you solve the annoying problem, please?
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I solved this problem by disable dude and no more login failure for user admin from xxx.xxx.xxx.xxx via winbox.