Re: ERROR 1045 (28000): Access denied for user 'MyUser'@'localhost' (using password: YES)
Posted by: Roger Pena
Date: March 24, 2021 02:35PM

Hi Felipe,

I am seeing similar behavior, but just using the mysql command, basically doing this:

1- mysql -u testuser -p -h -P 3306 .
fail with :
"ERROR 2061 (HY000): Authentication plugin 'caching_sha2_password' reported error: Authentication requires secure connection."

2- do the same but connecting through the unix socket:
mysql -u testuser -p

3- connecting back through . succeed until the cache gets cleared.

how come this behavior can not be considered a bug ?

if the plugin is serious to reject my connection because it is not secure, I guess is concerned about the password flying cleartext, how come it is allowed the second time, isnt the password flying clear text the second time ?

the TCP connection has not being made more secure just because the password got cached through a successful authentication using a secure connection (unix socket), right ?

am I making a mistake somewhere ?

the other thing would be: isnt a tcp connection to as secure as a unix socket connection ?

thanks in advance for any assistance you might provide in understanding this.


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