WOW that's a very old version of MySQL.
Here is mysql.user from version 4.1.20:
mysql> desc mysql.user;
+-----------------------+-----------------------------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-----------------------+-----------------------------------+------+-----+---------+-------+
| Host | varchar(60) | | PRI | | |
| User | varchar(16) | | PRI | | |
| Password | varchar(41) | | | | |
| Select_priv | enum('N','Y') | | | N | |
| Insert_priv | enum('N','Y') | | | N | |
| Update_priv | enum('N','Y') | | | N | |
| Delete_priv | enum('N','Y') | | | N | |
| Create_priv | enum('N','Y') | | | N | |
| Drop_priv | enum('N','Y') | | | N | |
| Reload_priv | enum('N','Y') | | | N | |
| Shutdown_priv | enum('N','Y') | | | N | |
| Process_priv | enum('N','Y') | | | N | |
| File_priv | enum('N','Y') | | | N | |
| Grant_priv | enum('N','Y') | | | N | |
| References_priv | enum('N','Y') | | | N | |
| Index_priv | enum('N','Y') | | | N | |
| Alter_priv | enum('N','Y') | | | N | |
| Show_db_priv | enum('N','Y') | | | N | |
| Super_priv | enum('N','Y') | | | N | |
| Create_tmp_table_priv | enum('N','Y') | | | N | |
| Lock_tables_priv | enum('N','Y') | | | N | |
| Execute_priv | enum('N','Y') | | | N | |
| Repl_slave_priv | enum('N','Y') | | | N | |
| Repl_client_priv | enum('N','Y') | | | N | |
| ssl_type | enum('','ANY','X509','SPECIFIED') | | | | |
| ssl_cipher | blob | | | | |
| x509_issuer | blob | | | | |
| x509_subject | blob | | | | |
| max_questions | int(11) unsigned | | | 0 | |
| max_updates | int(11) unsigned | | | 0 | |
| max_connections | int(11) unsigned | | | 0 | |
+-----------------------+-----------------------------------+------+-----+---------+-------+
31 rows in set (0.00 sec)
Since we are talking Windows, there should be a service called MySQL or some other name pointing to C:\Program Files\MySQL. If that's not the folder, search the entire disk for my.ini. Once you found my.ini, here is a sure fire way to insert a new user called 'oracleclient':
Step 01) Shutdown Application
Step 02) net stop mysql
Step 03) Add skip-grant-tables to my.ini
Step 04) net start mysql
Step 05) run 'mysql' at the DOS prompt (no password needed)
Step 06) From mysql prompt, run this INSERT statement
INSERT INTO mysql.user SET
Host='IP of Oracle Server',
User='oracleclient',
Password=PASSWORD('whateverpassword'),
Select_priv='Y',
Insert_priv='Y',
Update_priv='Y',
Delete_priv='Y',
Create_priv='Y',
Drop_priv='Y',
Reload_priv='Y',
Shutdown_priv='Y',
Process_priv='Y',
File_priv='Y',
Grant_priv='Y',
References_priv='Y',
Index_priv='Y',
Alter_priv='Y',
Show_db_priv='Y',
Super_priv='Y',
Create_tmp_table_priv='Y',
Lock_tables_priv='Y',
Execute_priv='Y',
Repl_slave_priv='Y',
Repl_client_priv='Y';
Step 07) exit mysql
Step 08) net stop mysql
Step 09) net start mysql (close your eyes and hit enter)
Step 10) See if everything works !!!
You should be able to connect from the oracle server.
BUT WAIT !!!
What if there is no my.ini and the application has the setting only ???
Here is something a little more daring:
Step 01) Install the same version (MySQL 4.1.18) onto another PC (Server2)
Using the wizard, this should place the MySQL binaries: C:\Program Files\MySQL\MySQL 4.1. This would be considered the basedir. The subfolder data\mysql would be the home of the mysql schema.
Step 02) Create my.ini in basedir of Server2
Step 03) Copy user.frm, user.MYI, user.MYD from the mysql schema of Server1 into the same place in Server2
Step 04) Perform Steps 3-8 from the first plan
Step 05) Make sure you have a backup copy of the mysql schema of Server1
Step 06) Copy user.frm, user.MYI, user.MYD from the mysql schema of Server2 into the same place in Server1
Step 07) net start mysql on Server1 and the application (close your eyes and hit enter)
Step 08) See if everything works !!!
Give it a Try !!!
Since Zapier is coming in from outside your instance, a possible cause of your problem is the security group for your instance. Most ports on EC2 instances (except the SSH port) are normally blocked by default unless you explicitly open them.
So you would need to open the mysql port 3306 on your instance up to the ip address Zapier is coming in from. (preferably you would not open it up to everyone in the world.)
See Using Amazon RDS/EC2 on the Zapier site, starting from the section where it says Can't Connect to My Database. They continue on to provide specific instructions for the security group settings.
You will also probably need to grant permission on the database using the mysql GRANT command to the user coming in from the Zapier ip address.
Something like this should work :
GRANT ALL PRIVILEGES
ON mydb.*
TO 'user'@'54.86.9.50'
IDENTIFIED BY 'newpassword';
Or you can allow that user to come in from any ip adress like this:
GRANT ALL PRIVILEGES
ON mydb.*
TO 'user'@'%'
IDENTIFIED BY 'newpassword';
(Incoming requests would still be limited to Zapier ip addresses due to the security group settings.)
Best Answer
The warning is useful because it tells you that this proxy privileges will never be matched.
Your options are:
@part to%or to a defined ip addressskip-name-resolve(which will slow down MySQL, which will now depend on the DNS resolver speed: https://dev.mysql.com/doc/refman/5.7/en/host-cache.html)Update
Just tested MySQL 5.6 and MySQL 5.7, and it seems that even if the warning appears,
localhostis replaced by127.0.0.1with--skip-name-resolve. A bug was opened: https://bugs.mysql.com/bug.php?id=81441Clearly MySQL should only warn if the domain isn't localhost, as with a disabled resolver the rule won't apply at all, only
@your.ip.address.numberand@localhostwould work.