Malformed packet while connecting to remote DB (no replies)

Hi all,

I have a remote MySQL DB,
I connect 4 dm Remote DB but one of them has a problem like Malformed packet,
I connected for other 3 DB but just one of them has Malformed packet problem.

I check the all task what I found on google but they dont work for me.
I use 3306 port,

I just see differences bewtwen my local and remote DB this.
Remote DB services mysql name is MYSQL57
my local services mysql name is MYSQL56. there is just differences.


When I try to connect to the DB using workbench I get this error:
"Malformed packet"

could anyone help me pls solve this problem ?