From the course: CISA Cert Prep: 5 Information Asset Protection for IS Auditors

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VPNs and tunneling

VPNs and tunneling

From the course: CISA Cert Prep: 5 Information Asset Protection for IS Auditors

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VPNs and tunneling

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- [Narrator] Alright, let's talk about VPNs and tunneling protocols. So a tunneling protocol is something that will encapsulate other frame or a packet depending on which layer it's working at. So that it can be transmitted through some other network. Typically some network that it can't work within. Perhaps because it's using a private IP addressing scheme or it's a different architecture different protocol. It's some way to get something through something else and then it's unwrapped on the other side or de-encapsulated so that it can be put back onto a network of its type. Now we're gonna talk about three different tunneling protocols in this course. There's others, but these are the ones that you're likely to encounter in the field. So let's get right to it. The point-to-point tunneling protocol or PPTP, is primarily used or created by Microsoft. It's used in a lot of places now. Although it's a bit long in the tooth it's falling out of favor these days and it's based on an older…

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