X

x-token (MIME encoding type), Multipurpose Internet Mail Extensions
X.25 networks, packet fragmentation, Fragmenting datagrams
X.400 protocol, Simple Mail Transfer Protocol
XDR protocol, Presentation Layer, A Data Communications Model
xinetd (Extended Internet Daemon), The Extended Internet Daemon, Controlling Access with xinetdControlling Access with xinetd
access control, Controlling Access with xinetdControlling Access with xinetd
xinetd.conf file, The Extended Internet Daemon, Looking for Trouble
security considerations, Looking for Trouble
xonxoff option (pppd), The PPP Daemon