e. Secure Socket Shell (SSH): SSH is a type of network protocol which provides administrators an opportunity to access the remote host in a secured manner. SSH can also be referred to as the set of utilities which can implement a specific protocol. Secure Shell defines the features of authentication and secured data encryption for transmitting information within two hosts of the network. SSH protocol is used by various network administrators in order manage various systems and applications …show more content…
There are two different types of SSL VPNs:
1. SSL Portal VPN: It allows for a single SSL connection to a website, so the end user can securely access multiple network services. This site is known as portal because it is a single page that leads to different resources. Remote user will access the SSL VPN gateway using modern web browser and identifies himself or herself to the gateway by using an authentication method which supports the gateway
2. SSL VPN Tunnel: In this type of SSL VPN, the end user securely connected to the multiple network services through the tunnel running under SSL. It requires the web browser to handle active content such as Java, JavaScript, Active X, Flash applications or plug-ins, and it enables the user to access more functionalities that is not accessible to SSL Portal VPNs.. MPLS VPN (Multi-Protocol Label Switching Virtual Private Network) defines about defining various private secured channels on VPN using MPLS technology. MPLS is a technology that speeds up the movement of packets between sources to destination points in the network. A VPN uses the public shared telecom infrastructure, such as the Internet in order to provide secured access to remote offices. It provides a great opportunity for network administrators to route the packet traffic by the support of MPLS backbone