If we would prefer clients to use encrypted connections to the server, but will accept non-encrypted connections, we would add the following to the server side "sqlnet.ora". The server does not need to be altered as the default settings (ACCEPTED and no named encryption algorithm) will allow it to successfully negotiate a connection. If we want to force encryption from a client, while not affecting any other connections to the server, we would add the following to the client "sqlnet.ora" file. The client does not need to be altered as the default settings (ACCEPTED and no named encryption algorithm) will allow it to successfully negotiate a connection. If we require AES256 encryption on all connections to the server, we would add the following to the server side "sqlnet.ora" file.
![oracle 10g advanced security option oracle 10g advanced security option](https://www.cyberithub.com/wp-content/uploads/2019/12/oradb3-1-300x215.png)
Here are a few to give you a feel for what is possible. ExamplesĪs you can see from the encryption negotiations matrix, there are many combinations that are possible. If no encryption type is set, all available encryption algorithms are considered. The SQLNET.ENCRYPTION_TYPES_ parameters accept a comma-separated list of encryption algorithms. The combination of the client and server settings will determine if encryption is used, not used or the connection is rejected, as described in the encryption negotiations matrix here. REQUIRED : The client or server will only accept encrypted traffic.REQUESTED : The client or server will request encrypted traffic if it is possible, but will accept non-encrypted traffic if encryption is not possible.REJECTED : The client or server will refuse encrypted traffic.This is the default if the parameter is not set. ACCEPTED : The client or server will allow both encrypted and non-encrypted connections.
![oracle 10g advanced security option oracle 10g advanced security option](https://image.slidesharecdn.com/ustcaso-161007132753/95/avdf-advanced-security-option-18-638.jpg)
The possible values for the SQLNET.ENCRYPTION_ parameters are as follows. The client side configuration parameters are as follows.
![oracle 10g advanced security option oracle 10g advanced security option](https://image1.slideserve.com/3379796/introduction-l.jpg)
The server can also be considered a client if it is making client calls, so you may want to include the client settings if appropriate.