Setting TLS Version in mysqldump

The mysqldump command in MySQL is used to create backups of MySQL databases. One of the options available is --tls-version=name, which allows specifying the TLS (Transport Layer Security) version to be used for secure connections during the dump process.

Here are several examples demonstrating the usage of --tls-version option in mysqldump:

Example 1: Using TLS version 1.2 for secure connection

    mysqldump --tls-version=TLSv1.2 -u username -p database_name > backup.sql
    

This command dumps the database_name using TLS version 1.2 for secure connection and saves it to backup.sql. To verify, check the output file backup.sql for the dumped SQL data.

Example 2: Specifying TLS version 1.3 explicitly

    mysqldump --tls-version=TLSv1.3 -u username -p database_name > backup.sql
    

Here, TLS version 1.3 is used for the secure connection. Verify the backup.sql file to ensure the dump was successful.

Example 3: Using default TLS version (often TLSv1.2)

    mysqldump --tls-version=default -u username -p database_name > backup.sql
    

This command uses the default TLS version configured in MySQL (typically TLSv1.2). Check backup.sql to confirm the backup has been created.

Example 4: Using TLS version 1.1

    mysqldump --tls-version=TLSv1.1 -u username -p database_name > backup.sql
    

Here, TLS version 1.1 is specified explicitly. Verify the contents of backup.sql to ensure the database dump is present.

Example 5: Attempting to use an unsupported TLS version

    mysqldump --tls-version=SSLv3 -u username -p database_name > backup.sql
    

This command tries to use SSLv3, which is unsupported by modern MySQL versions and should result in an error. Verify the command output for any error messages related to TLS version.

Example 6: Omitting the --tls-version option

    mysqldump -u username -p database_name > backup.sql
    

By omitting the --tls-version option, MySQL will use its default TLS version (often TLSv1.2). Check backup.sql to confirm the dump operation was successful.

Example 7: Using TLS version 1.0

    mysqldump --tls-version=TLSv1.0 -u username -p database_name > backup.sql
    

Specifying TLS version 1.0 for the secure connection. Verify the output file backup.sql for the dumped SQL data.

Example 8: Using TLS version 1.2 explicitly with different user

    mysqldump --tls-version=TLSv1.2 -u other_username -p database_name > backup.sql
    

This command demonstrates using TLS version 1.2 with a different user (other_username). Verify backup.sql to ensure the correct database dump was performed.

Example 9: Using TLS version 1.3 with specific hostname

    mysqldump --tls-version=TLSv1.3 -u username -h hostname -p database_name > backup.sql
    

Here, TLS version 1.3 is used for the secure connection to a specific hostname (hostname). Verify the contents of backup.sql to confirm the database backup.

Example 10: Using TLS version 1.2 with a non-standard port

    mysqldump --tls-version=TLSv1.2 -u username -p -P 3307 database_name > backup.sql
    

Specifying TLS version 1.2 for the secure connection on port 3307. Check backup.sql to verify the database dump is present and correct.

Also check similar articles.

Setting Certificate Revocation List Path in mysqldump
Setting Certificate Revocation List in mysqldump
Setting X509 Key for SSL in mysqldump
Configuring SSL Cipher in mysqldump
Setting X509 Cert for SSL in mysqldump