I lowered the max_user_connections hoping it would keep other connections. Yet I am seeing the opposite. I have the impression that ' db: 'unconnected' user: 'unauthenticated' host:' is being counted, which they should not be.
> -----Original Message----- > From: Marc > Sent: Monday, 8 July 2024 12:30 > To: 'Jaco Kroon' <[email protected]>; Hartmut Holzgraefe > <[email protected]>; [email protected] > Subject: RE: [MariaDB discuss] Re: is blocked because of many connection > > > Hi Jaco, > > I did not have any issues until now with these settings[1]. I had again > abuse from Digital ocean and Microsoft. I thought these settings would > solve my issues. However looking at the logs I have a lot of these > entries > > to db: 'unconnected' user: 'unauthenticated' host: > > before these entries are logged: > > Aborted connection 3077 to db: xxxx user: 'aaaaaa' host: > > Can it be that the user is being blocked and when then the abuse > continues, these 'unauthenticated' are triggering the global server > blocking? > > > > > > [1] > MariaDB [(none)]> show variables like '%max%connections%'; > +-----------------------+-------+ > | Variable_name | Value | > +-----------------------+-------+ > | extra_max_connections | 1 | > | max_connections | 1000 | > | max_user_connections | 10 | > +-----------------------+-------+ > > MariaDB [(none)]> SELECT VARIABLE_NAME , GLOBAL_VALUE , > GLOBAL_VALUE_ORIGIN , GLOBAL_VALUE_PATH FROM > INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE > 'max%connections'; > +----------------------+--------------+---------------------+------------ > --------------+ > | VARIABLE_NAME | GLOBAL_VALUE | GLOBAL_VALUE_ORIGIN | > GLOBAL_VALUE_PATH | > +----------------------+--------------+---------------------+------------ > --------------+ > | MAX_USER_CONNECTIONS | 50 | CONFIG | > /etc/my.cnf.d/server.cnf | > | MAX_CONNECTIONS | 1000 | CONFIG | > /etc/my.cnf.d/server.cnf | > +----------------------+--------------+---------------------+------------ > --------------+ > > > > > > I think you're looking for these variables: > > > > > > MariaDB> show variables like '%max%connections%'; > > +-----------------------+-------+ > > | Variable_name | Value | > > +-----------------------+-------+ > > | extra_max_connections | 1 | > > | max_connections | 5000 | > > | max_user_connections | 250 | > > +-----------------------+-------+ > > 3 rows in set (0.001 sec) > > > > So set max_connections high, and limit the per-user scope using > > max_user_connections. works well for us. > > > > > > Kind regards, > > Jaco > > > > _______________________________________________ discuss mailing list -- [email protected] To unsubscribe send an email to [email protected]
