As long as the connection between the application and the database uses TCP, you can use the SSH channel to authenticate...
to each other and increase security against different kinds of attacks. To use SSH for a variety of services you should use port redirection.
To enable a Web application to authenticate to your database you will need to put an SSH client on the Web server and an SSH server on the database server. SSH can then encrypt passwords and network traffic between your Web and database servers, thus preventing eavesdropping, IP spoofing, IP source routing, DNS spoofing and other network-level attacks.
You can receive free, open source implementations at http://www.openssh.com or commercial versions including Windows versions at http://www.ssh.com. There are two versions of SSH, SSH Secure Shell Version 1 and Secure Shell Version 2. SSH1 is not as secure as SSH2 and is gradually being withdrawn from use. SSH2 is actually a complete rewrite of the protocol, and it does not use the same networking implementation as SSH1, so make sure you use SSH2. A good SSH "how-to" can be found at http://p25ext.lanl.gov/ssh/ssh-howto.html.
Dig Deeper on Database Security Management
Related Q&A from Michael Cobb
Is cookie encryption enough to protect sensitive information? Expert Michael Cobb explains how salted hashes can prevent attacks, and the secure way ...continue reading
A vulnerability was found in the Blackphone's Icera modem. Expert Michael Cobb explains how attackers could hijack the device, and if this would ...continue reading
Oracle is killing off the Java browser plug-in due to security risks. Expert Michael Cobb explains the next steps for enterprises with Java-based ...continue reading
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.