netTools scans for the following services:

PING, FTP, WHOIS, SMTP, DNS, POP3, POP2, HTTP, FINGER,

NNTP, TIME, SSH, TELNET, LOGIN, DAYTIME, GOPHER, ECHO,

HOSTNAMES, NAME, RTSP554, RTSP7070, TFTP, SNMP,

SYSTAT, NWNCP, NWPORTAL, HTTPS, WINS, IMAP4, IBase,

MSSQL, RADIUS, IRC, LDAP, CHARGEN, PASSWGEN, QDAY,

POA, MTA, NetBIOS, Socks, Lotus Notes, CIFS/SMB, CIFS, SLP,

NTP, ORACLE