MySQL cannot connect successfully in a certain network environment, and a 2206 error is reported, which is not limited by IP and does not enable SSL.

the company has two Wifi that are both telecom, and the online server has access to port 3306.

when making a connection, it will connect for a long time, and then timeout or return an error.

prompt ERROR 2026 (HY000): SSL connection error: error:00000001:lib (0): func (0): reason (1) error.

where the connection can be successful after Wifi An is restarted, and the connection fails after a period of time. IP changes after the router is rebooted.

Wifi B has been successful, 4G access has been successful, and global proxy access has been successful.

The host access set in the

database is%, eliminating the problem of IP restrictions. The CVM security group has also opened the 3306-end IP, which is also accessible to all, and the database does not enable SSL connections.

in addition, the results of our official website are basically the same as those of the database.

NetGear R52 router. What"s wrong with the router?

Centos7 linux mysql
Jun.16,2022

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1bd6b4c-455b0.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bd6b4c-455b0.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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