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Can't connect to Docker Postgres, pre-login handshake

in flag

I've just installed a fresh Fedora 34 VM and put docker on it, nothing else.
disabled SELINUX for simplicity's sake.
pulled the latest postgres docker image.
created a docker container with docker run --name test -e POSTGRES_PASSWORD=test -p 5432:5432 -d postgres
allowed firewall port TCP 5432 (and later verified with wireshark)

Yet on my client machine, I can't seem to connect to the SQL server with MSSQL Studio with error 10054 saying an error occurred during the pre-login handshake.

I wish to know why this error occurs, and how to fix the connection. thanks in advance for any help. :)

Michael Hampton avatar
cz flag
What do you mean by: "MSSQL Studio"?
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