Sun workstation
Sun SPARCstation
Fiber Distributed Data Interface (FDDI) local network ring
T-3 backbone
T-1
Netcom points of presence (POPs)
Portmaster communications servers, Livingston Enterprises
Cisco routers
Mustang
SPARCstation servers
Crescendo FDDI concentrator
Sun FDDI concentrator
access1, Sun Microsystems firewall
Cellular telephone
Beepers/Pagers
RadioMail terminal
SkyPager
Netcomsv
Triggerfish
Network Interface Tap (NIT)
Solaris OS
Modified Berkeley Packet Filter
prefilter (snit____foo)
sendmail
Pretty Good Privacy (PGP)
Internet Relay Chat (IRC)