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SSH Secure Shell
This is a program to allow secure network services over an insecure network, such as the Internet. The Secure Shell concept began with UNIX as a replacement for the insecure "Berkeley services", that is, the rsh , rcp, and rlogin commands. SSH Secure Shell also replaces insecure terminal applications (such as Telnet and FTP). Enabling you to securely login to remote host servers, to execute commands safely in a remote computer, or to securely transfer files with secure encrypted and authenticated communications between two non-trusted server hosts. Also arbitrary TCP/IP ports can be forwarded over the secure channel, enabling secure connection, for example, to a secure email service.
SSH Secure Shell boasts unmatched security features as a "must have" in a network environment. It is a powerful protection against the many security hazards that threaten network communications today. Regular telnet connections transmit your password plain text, so your password is not encrypted or protected at all! This makes it possible for others to invade your network and capture your password. Using SSH, your password is protected and never transmitted without strong encryption. Kerberos is similar, however it is difficult to install and configure on most secure servers.
SSL (Secure Socket Layer)
Secure Sockets Layer is a protocol developed by Netscape for encrypted transmission over TCP/IP networks. The Secure Socket Layer sets up a secure end-to-end link over which http or any other application protocol can operate. The most common application of SSL is https for ssl-encrypted http. SSL Certificates encrypt data by using using this Secure Sockets Layer technology. (SSL)
Developed by Netscape Communications Corporation, The SSL security protocol is the industry-standard method of data encryption, message integrity, server authentication, and client authentication of TCP/IP connections for secure payment gateways. All major browsers are compatible with SSL, so most secure web servers, simply installing a digital certificate turns on their SSL capabilities. In secure payment gateways, a 256 Bit SSL "session key" encrypts every transaction. The bigger the key, the more difficult it is to hack the encryption code. All the latest browsers support 256 Bit SSL sessions, and enable users to encrypt transactions.
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