IPSEC, H.323, NetMeeting, Net2Phone, WebPhone, UnixTalk, RealAudio, RealVideo, ICA Winframe, IRC, FTP, HTTP, Telnet, PPTP, Traceroute, Ping, Year 2000, Aol, chargen, cuseeme, daytime, discard, dns, echo, finger, gopher, https, imap3, imap4, ipr, IPX overIP, netstat, nntp, ntp, ping, pop3, radius, wais, rcp, rlogin, rsh, smtp, snmp, ssl, ssh, systat, tacacs, uucpover IP, whois, xtacacs.