Enabling SSL/TLS
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Video Transcription
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>> Hey, Cybrarians. Welcome back to
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the Linux Plus course here at Cybrary.
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I'm your instructor, Rob Goelz.
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In today's lesson, we're going to
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talk about enabling SSL/TLS.
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Upon completion of this lesson,
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you're going to be able to understand
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why we might need to
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use SSL/TLS encryption, and we're
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going to also identify applications that can
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make use of SSL/TLS.
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Non-secure applications could be
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used on a private network.
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Previously, we will do that a lot.
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We don't really worry about securing something.
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But in general, it's just no longer a good idea or
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best practice to send any data in plain text anywhere.
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We saw that there are a bunch of
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applications that we don't use anymore.
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We talked about a lot of them in the previous lesson.
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All of these applications are unsecure
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and unused now because they just sent data plain text.
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The Secure Sockets Layer protocol,
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which was later replaced by
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the Transport Layer Security or TLS protocol,
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is something that we can use to encrypt data.
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Now SSL/TLS are the technologies
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that support Hypertext Transfer Protocol Secure,
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otherwise known as HTTPS,
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and that enables us to have secure connections to
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websites as well as validate the site identity.
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But HTTPS is not the only application
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>> of these protocols, it's just probably
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>> the most well-known one.
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>> Now talking about that,
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some other applications that can
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utilize SSL/TLS encryption are things like LDAP.
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LDAP can utilize SSL/TLS and it sets up
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encrypted LDAP traffic using Port 636.
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This is sometimes known as LDAPS.
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VPN services can also use SSL/TLS.
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These services are usually
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deployed via a web browser interface.
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Sometimes you just refer to it as SSL VPN,
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and then FTP can be secured over SSH.
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We talked about that in the previous lesson,
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but as I also said,
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it can leverage SSL/TLS encryption,
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and this is called FTPS file transfer.
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In this lesson, we covered
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the need for SSL/TLS encryption.
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Best practice was not send data unsecure anymore.
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Then there are some common applications that
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can use SSL/TLS,
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such as web services,
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Apache or Nginx using HTTPS.
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We talked about LDAP.
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LDAP Port 636 will be all that best using SSL or TLS.
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We talked about SSL or TLS VPNs.
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Then also we talked about using FTP,
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using these SSL/TLS encryption,
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and that is called FTPS.
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Thank you so much for being here and I look
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forward to seeing you in the next lesson.
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