ZyXEL p-660h-61 Betriebsanweisung
Prestige 660H Series User’s Guide
12-6
Creating Custom Rules
Table 12-2 Predefined Services
SERVICE DESCRIPTION
EL(AH:0) service.
IPSEC_TUNNEL(ESP:0)
The IPSEC ESP (Encapsulation Security Protocol) tunneling protocol uses
this service.
this service.
IRC(TCP/UDP:6667)
This is another popular Internet chat program.
MSN Messenger(TCP:1863)
Microsoft Networks’ messenger service uses this protocol.
MULTICAST(IGMP:0)
Internet Group Multicast Protocol is used when sending packets to a
specific group of hosts.
specific group of hosts.
NEWS(TCP:144)
A protocol for news groups.
NFS(UDP:2049)
Network File System - NFS is a client/server distributed file service that
provides transparent file-sharing for network environments.
provides transparent file-sharing for network environments.
NNTP(TCP:119)
Network News Transport Protocol is the delivery mechanism for the
USENET newsgroup service.
USENET newsgroup service.
PING(ICMP:0)
Packet INternet Groper is a protocol that sends out ICMP echo requests to
test whether or not a remote host is reachable.
test whether or not a remote host is reachable.
POP3(TCP:110)
Post Office Protocol version 3 lets a client computer get e-mail from a
POP3 server through a temporary connection (TCP/IP or other).
POP3 server through a temporary connection (TCP/IP or other).
PPTP(TCP:1723)
Point-to-Point Tunneling Protocol enables secure transfer of data over
public networks. This is the control channel.
public networks. This is the control channel.
PPTP_TUNNEL(GRE:0)
Point-to-Point Tunneling Protocol enables secure transfer of data over
public networks. This is the data channel.
public networks. This is the data channel.
RCMD(TCP:512)
Remote Command Service.
REAL_AUDIO(TCP:7070)
A streaming audio service that enables real time sound over the web.
REXEC(TCP:514)
Remote Execution Daemon.
RLOGIN(TCP:513)
Remote Login.
RTELNET(TCP:107)
Remote Telnet.
RTSP(TCP/UDP:554)
The Real Time Streaming (media control) Protocol (RTSP) is a remote
control for multimedia on the Internet.
control for multimedia on the Internet.
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.
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)
(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.
different types of database systems, including mainframes, midrange
systems, UNIX systems and network servers.
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.
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.