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ZyWALL 10 Internet Security Gateway
Creating Custom Rules 16-9
SERVICE DESCRIPTION
SFTP(TCP:115) Simple File Transfer Protocol.
SMTP(TCP:25) Simple Mail Transfer Protocol is the message-exchange standard
for the Internet. SMTP enables you to move messages from one e-
mail server to another.
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.
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.