User's Manual

ZyWALL 10/50 Internet Security Gateway
Creating Custom Rules 13-9
Table 13-2 Predefined Services
SERVICE DESCRIPTION
SNMP(TCP/UDP:161) Simple Network Management Program.
SNMP-
TRAPS(TCP/UDP:162)
Traps for use with the SNMP (RFC:1215).
SQL-NET(TCP:1521) Structured Query Language is an interface to access data on many
different types of database systems, including mainframes, midrange
systems, UNIX systems and network servers.
SSH(TCP/UDP:22) Secure Shell Remote Login Program.
STRM WORKS(UDP:1558) Stream Works Protocol.
SYSLOG(UDP:514) Allows you to send system logs to a UNIX server.
TACACS(UDP:49) Login Host Protocol used for (Terminal Access Controller Access
Control System).
TELNET(TCP:23) Telnet is the login and terminal emulation protocol common on the
Internet and in UNIX environments. It operates over TCP/IP networks.
Its primary function is to allow users to log into remote host systems.
TFTP(UDP:69) Trivial File Transfer Protocol is an Internet file transfer protocol similar to
FTP, but uses the UDP (User Datagram Protocol) rather than TCP
(Transmission Control Protocol).
VDOLIVE(TCP:7000) Another videoconferencing solution.