Creating/editing firewall rules, 7 creating/editing firewall rules – ZyXEL Communications 792H User Manual
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Prestige 792H G.SHDSL Router
Creating Custom Rules
10-11
Table 10-3 Predefined Services
SERVICE DESCRIPTION
SSDP(UDP:1900)
Simple Service Discovery Protocol (SSDP) is a discovery service
searching for Universal Plug and Play devices on your home network or
upstream Internet gateways using UDP port 1900.
SSH(TCP/UDP:22)
Secure Shell Remote Login Program.
STRMWORKS(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.
10.7 Creating/Editing Firewall Rules
To create a new rule, click a number (No.) in the last screen shown to display the following screen.