This is the NOT the recommended standard.
There are serious security implications if not configured properly!
3 DES is now officially retired!

Last Updated Tues, 27 Aug 2019 12:00:01 -0400

Overview:

The Triple Data Encryption Algorithm, called 3DES for short, is an encryption algorithm that evolved from previous flavors of the same algorithm (Data Encryption Standard, or DES, which was first published in 1975). Although under certain configurations 3DES can be acceptable, it is being phased out slowly as there are new vulnerabilities that make the protocol significantly weaker. Where possible, newer standards such as AES should be used; there are no reasons to stick to 3DES apart from backward compatibility or legacy support.

Getting Started:

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Best Practices and Advisories:

For more details check the FAQ for this algorithm.