ZyXEL Communications FMG3024-D10A User Manual

Page of 316
 Appendix D Common Services
FMG3024-D10A / FMG3025-D10A Series User’s Guide
293
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.
SYSLOG
UDP
514
Syslog 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.
Table 96   
Commonly Used Services (continued)
NAME
PROTOCOL
PORT(S)
DESCRIPTION