If you’re looking for a VPN protocol that can encapsulate PPP traffic using the Secure Sockets Layer (SSL), then you’ll want to check out our list of the best options.
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Introduction
Different types of VPN protocols use different methods to encapsulate and encrypt your data traffic. One popular protocol is the Secure Sockets Layer (SSL) VPN, which is often used to secure web browsing traffic. SSL VPNs work by encrypting your web traffic with the SSL protocol, which is the same protocol used to secure HTTPS web pages. This makes it very difficult for anyone to eavesdrop on your traffic or intercept your data.
VPN Protocols
There are a few different VPN protocols which encapsulates PPP traffic using the Secure Sockets Layer. The most common ones are PPTP, L2TP/IPSec, and OpenVPN. Each one of these has their own benefits and drawbacks. Let’s take a closer look.
Internet Protocol Security (IPSec)
Internet Protocol Security (IPSec) is a protocol suite that authenticates and encrypts Internet Protocol (IP) traffic. IPSec is often used in Virtual Private Networks (VPNs) to protect traffic between two or more servers.
IPSec uses a security protocol called Encapsulating Security Payload (ESP) to authenticate and encrypt data. ESP can be used with either the Transport Layer Security (TLS) or the Secure Sockets Layer () to provide a secure connection. TLS is the most common protocol used with IPSec.
Layer 2 Tunneling Protocol (L2TP)
Layer 2 Tunneling Protocol (L2TP) is a tunneling protocol used to support virtual private networks (VPNs) or as part of the delivery of services by ISPs. It does not provide any encryption or confidentiality by itself. Instead, it relies on an encryption protocol that it passes within the tunnel to provide privacy.
L2TP is a VPN technology that offers a wide range of features. It is often used in conjunction with the Point-to-Point Tunneling Protocol (PPTP) for increased security and reliability. L2TP/IPsec is also available on almost all major operating systems, making it a popular choice for VPNs.
L2TP is a layer 2 protocol that uses UDP for transport. L2TPv3 adds support for IPv6 and PPP. L2TPv2 is an enhancement of L2TPv1 and does not add any new features.
Point-to-Point Tunneling Protocol (PPTP)
Point-to-Point Tunneling Protocol (PPTP) is a method for implementing virtual private networks. PPTP uses a control channel over an IP network to encapsulate and encrypt data packets for transmission over an IP network.
A PPTP server (a VPN concentrator or Access Server) is responsible for receiving client connection requests, authenticating the request, and then creating and maintaining the client-to-server tunnel. A PPTP client is any system that uses PPTP to connect to a remote private network, such as a corporate intranet or service provider network.
When configuring a PPTP client, you must specify the public IP address or host name of the VPN server to which you will connect, along with your user name and password. The client system then authenticates with the server and establishes a control connection. Once the control connection is established, the client can create data tunnels over this connection by encapsulating data packets in GRE (Generic Routing Encapsulation) frames.
GRE frames are passed through unmodified by most firewall systems because they appear to be regular IP traffic. However, because GRE does not provide any security features on its own, it is important to pair PPTP with another security protocol such as MS-CHAPv2 or IPSec for encryption of GRE traffic.
Secure Sockets Layer (SSL)
Secure Sockets Layer (SSL) is a protocol that can be used to encapsulate Point-to-Point Protocol (PPP) traffic. SSL uses the public key infrastructure (PKI) to authenticate the remote access server and the client. A digital certificate is required for each SSL connection. Each certificate contains a public key and a private key. The public key is used to encrypt data, and the private key is used to decrypt data.
Conclusion
The IPSec VPN protocol is the most common protocol used to encapsulate PPP traffic using the Secure Sockets Layer (SSL). SSL is a security protocol that provides communication security between two computers or devices. SSL is often used to encrypt communications between web browsers and web servers.