The data transfer process (DTP) for FTP establishes and manages the data connection. The DTP can be passive or active. Passive, or PASV, is a command that requests that the server “listen” on a data port (which is not its default data port) and to wait for a connection rather than initiate one upon receipt of a transfer command. Certain FTP servers support both active and passive transfers while other FTP servers only allow active transfers. * [Adapted from RFC 959]
- Port Address Translation (PAT)
Short for port address translation, a type of network address translation. During PAT, each computer on LAN is translated to the same IP address, but with a different port number assignment. PAT is also referred to as overloading, port-level multiplexed NAT or single address NAT.
Short for Payment Application Data Security Standard (PA-DSS) it is a best practices standard maintained by the Payment Card Industry Security Standards Council (PCI SSC) to assist software and other third-party vendors to develop secure payment applications that support compliance with the PCI-DSS.
- Private Branch Exchange (PBX)
Short for private branch exchange, a private telephone network used within an enterprise. Users of the PBX share a certain number of outside lines for making telephone calls external to the PBX. Most medium-sized and larger companies use a PBX because it’s much less expensive than connecting an external telephone line to every telephone in […]
- Peripheral Component Interconnect (PCI)
(1) Short for Peripheral Component Interconnect, a local bus standard developed by Intel Corporation. Most modern PCs include a PCI bus in addition to a more general ISA expansion bus. PCI is also used on some versions of the Macintosh computer. PCI is a 64-bit bus, though it is usually implemented as a 32-bit bus. […]
Short for Payment Card Industry (PCI) Data Security Standard (DSS), PCI DSS is a standard that all organizations, including online retailers, must follow when storing, processing and transmitting their customer’s credit card data. The Data Security Standard (DSS) was developed and the standard is maintained by the Payment Card Industry Security Standards Council (PCI SSC). […]