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