Protocol commonly used to encrypt web traffic. Uses port 443 by default, but may use other ports depending on the protocol being encrypted.
Secure Sockets Layer (SSL)
Originally used with cable TV connections and efficient when transmitting analog signals. It was used in some early networks but can transmit only a limited amount of data. Uses BNC connectorrs.
RG-59
Maximum Transmission Speed: CAT5
100 Mbps
Command Line Tool: Shows network statistics, including a list of inbound and outbound connections for a system.
Netstat
Port Number: TFTP
69
Designated replacement for SSL. Can be used anywhere SSL is used.
Transport Layer Security (TLS)
Port Number: POP
110
Port Number: SFTP
22 by default (default port for SSH)
Port Number: IMAP
143
IPv6 Loopback address
String of zeros, with a one at the end. Expressed as ::1
