"Illegal NetBios name". Should I worry about it or no?

asked 2020-01-24 14:07:42 +0000

yourdonefor gravatar image

Saw a packet show up with this in the info column. I know what it means by the "Illegal NetBios name" in naming terms. But is this something I should be concerned about? Is it a suspicious device that could be up to no good? I would post an image but I forgot to save the .cap file. It was from a computer that started with "DESKTOP".

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Was it one of these error messages?

https://code.wireshark.org/review/git...

"Illegal NetBIOS name (1st character not between A and Z in first-level encoding)";

"Illegal NetBIOS name (odd number of bytes)";

"Illegal NetBIOS name (2nd character not between A and Z in first-level encoding)";

 "Illegal NetBIOS name (%lu bytes long)",
Chuckc gravatar imageChuckc ( 2020-01-25 02:10:27 +0000 )edit

Yes that's exactly what I saw. Im sorry I didn't save the packet to make it easier for you guys.

yourdonefor gravatar imageyourdonefor ( 2020-01-25 02:13:02 +0000 )edit
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