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SPI
Stateful Packet Inspection
SSH
Secure Shell is a command line interface that allows for secure connections to remote
computers
SSID
Service Set Identifier is a name for a wireless network
Stateful inspection
A feature of a firewall that monitors outgoing and incoming traffic to make sure that only
valid responses to outgoing requests are allowed to pass though the firewall
Subnet mask
Determines what portion of an IP address designates the Network and which part
designates the Host
Syslog
System Logger -- a distributed logging interface for collecting in one place the logs from
different sources. Originally written for UNIX, it is now available for other operating
systems, including Windows.
T
TCP
Transmission Control Protocol
TCP/IP
Transmission Control Protocol/Internet Protocol
TCP Raw
A TCP/IP protocol for transmitting streams of printer data.
TFTP
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Trivial File Transfer Protocol is a utility used for transferring files that is simpler to use
than FTP but with less features